779 lines
		
	
	
		
			22 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			779 lines
		
	
	
		
			22 KiB
		
	
	
	
		
			LLVM
		
	
	
	
; RUN: llc -mtriple=x86_64-darwin-unknown                             < %s | FileCheck %s --check-prefix=CHECK --check-prefix=SDAG
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; RUN: llc -mtriple=x86_64-darwin-unknown -fast-isel -fast-isel-abort=1 < %s | FileCheck %s --check-prefix=CHECK --check-prefix=FAST
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; RUN: llc -mtriple=x86_64-darwin-unknown -mcpu=knl < %s | FileCheck %s --check-prefix=KNL
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;
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; Get the actual value of the overflow bit.
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;
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; SADDO reg, reg
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define zeroext i1 @saddo.i8(i8 signext %v1, i8 signext %v2, i8* %res) {
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entry:
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; CHECK-LABEL: saddo.i8
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; CHECK:       addb %sil, %dil
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; CHECK-NEXT:  seto %al
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  %t = call {i8, i1} @llvm.sadd.with.overflow.i8(i8 %v1, i8 %v2)
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  %val = extractvalue {i8, i1} %t, 0
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  %obit = extractvalue {i8, i1} %t, 1
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  store i8 %val, i8* %res
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  ret i1 %obit
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}
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define zeroext i1 @saddo.i16(i16 %v1, i16 %v2, i16* %res) {
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entry:
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; CHECK-LABEL: saddo.i16
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; CHECK:       addw %si, %di
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; CHECK-NEXT:  seto %al
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  %t = call {i16, i1} @llvm.sadd.with.overflow.i16(i16 %v1, i16 %v2)
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  %val = extractvalue {i16, i1} %t, 0
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  %obit = extractvalue {i16, i1} %t, 1
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  store i16 %val, i16* %res
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  ret i1 %obit
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}
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define zeroext i1 @saddo.i32(i32 %v1, i32 %v2, i32* %res) {
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entry:
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; CHECK-LABEL: saddo.i32
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; CHECK:       addl %esi, %edi
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; CHECK-NEXT:  seto %al
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  %t = call {i32, i1} @llvm.sadd.with.overflow.i32(i32 %v1, i32 %v2)
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  %val = extractvalue {i32, i1} %t, 0
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  %obit = extractvalue {i32, i1} %t, 1
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  store i32 %val, i32* %res
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  ret i1 %obit
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}
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define zeroext i1 @saddo.i64(i64 %v1, i64 %v2, i64* %res) {
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entry:
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; CHECK-LABEL: saddo.i64
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; CHECK:       addq %rsi, %rdi
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; CHECK-NEXT:  seto %al
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  %t = call {i64, i1} @llvm.sadd.with.overflow.i64(i64 %v1, i64 %v2)
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  %val = extractvalue {i64, i1} %t, 0
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  %obit = extractvalue {i64, i1} %t, 1
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  store i64 %val, i64* %res
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  ret i1 %obit
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}
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; SADDO reg, 1 | INC
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define zeroext i1 @saddo.inc.i8(i8 %v1, i8* %res) {
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entry:
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; CHECK-LABEL: saddo.inc.i8
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; CHECK:       incb %dil
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; CHECK-NEXT:  seto %al
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  %t = call {i8, i1} @llvm.sadd.with.overflow.i8(i8 %v1, i8 1)
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  %val = extractvalue {i8, i1} %t, 0
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  %obit = extractvalue {i8, i1} %t, 1
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  store i8 %val, i8* %res
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  ret i1 %obit
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}
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define zeroext i1 @saddo.inc.i16(i16 %v1, i16* %res) {
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entry:
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; CHECK-LABEL: saddo.inc.i16
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; CHECK:       incw %di
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; CHECK-NEXT:  seto %al
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  %t = call {i16, i1} @llvm.sadd.with.overflow.i16(i16 %v1, i16 1)
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  %val = extractvalue {i16, i1} %t, 0
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  %obit = extractvalue {i16, i1} %t, 1
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  store i16 %val, i16* %res
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  ret i1 %obit
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}
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define zeroext i1 @saddo.inc.i32(i32 %v1, i32* %res) {
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entry:
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; CHECK-LABEL: saddo.inc.i32
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; CHECK:       incl %edi
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; CHECK-NEXT:  seto %al
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  %t = call {i32, i1} @llvm.sadd.with.overflow.i32(i32 %v1, i32 1)
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  %val = extractvalue {i32, i1} %t, 0
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  %obit = extractvalue {i32, i1} %t, 1
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  store i32 %val, i32* %res
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  ret i1 %obit
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}
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define zeroext i1 @saddo.inc.i64(i64 %v1, i64* %res) {
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entry:
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; CHECK-LABEL: saddo.inc.i64
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; CHECK:       incq %rdi
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; CHECK-NEXT:  seto %al
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  %t = call {i64, i1} @llvm.sadd.with.overflow.i64(i64 %v1, i64 1)
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  %val = extractvalue {i64, i1} %t, 0
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  %obit = extractvalue {i64, i1} %t, 1
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  store i64 %val, i64* %res
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  ret i1 %obit
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}
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; SADDO reg, imm | imm, reg
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; FIXME: DAG doesn't optimize immediates on the LHS.
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define zeroext i1 @saddo.i64imm1(i64 %v1, i64* %res) {
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entry:
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; SDAG-LABEL: saddo.i64imm1
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; SDAG:       mov
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; SDAG-NEXT:  addq
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; SDAG-NEXT:  seto
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; FAST-LABEL: saddo.i64imm1
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; FAST:       addq $2, %rdi
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; FAST-NEXT:  seto %al
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  %t = call {i64, i1} @llvm.sadd.with.overflow.i64(i64 2, i64 %v1)
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  %val = extractvalue {i64, i1} %t, 0
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  %obit = extractvalue {i64, i1} %t, 1
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  store i64 %val, i64* %res
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  ret i1 %obit
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}
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; Check boundary conditions for large immediates.
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define zeroext i1 @saddo.i64imm2(i64 %v1, i64* %res) {
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entry:
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; CHECK-LABEL: saddo.i64imm2
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; CHECK:       addq $-2147483648, %rdi
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; CHECK-NEXT:  seto %al
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  %t = call {i64, i1} @llvm.sadd.with.overflow.i64(i64 %v1, i64 -2147483648)
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  %val = extractvalue {i64, i1} %t, 0
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  %obit = extractvalue {i64, i1} %t, 1
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  store i64 %val, i64* %res
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  ret i1 %obit
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}
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define zeroext i1 @saddo.i64imm3(i64 %v1, i64* %res) {
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entry:
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; CHECK-LABEL: saddo.i64imm3
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; CHECK:       movabsq $-21474836489, %[[REG:[a-z]+]]
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; CHECK-NEXT:  addq %rdi, %[[REG]]
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; CHECK-NEXT:  seto
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  %t = call {i64, i1} @llvm.sadd.with.overflow.i64(i64 %v1, i64 -21474836489)
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  %val = extractvalue {i64, i1} %t, 0
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  %obit = extractvalue {i64, i1} %t, 1
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  store i64 %val, i64* %res
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  ret i1 %obit
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}
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define zeroext i1 @saddo.i64imm4(i64 %v1, i64* %res) {
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entry:
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; CHECK-LABEL: saddo.i64imm4
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; CHECK:       addq $2147483647, %rdi
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; CHECK-NEXT:  seto
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  %t = call {i64, i1} @llvm.sadd.with.overflow.i64(i64 %v1, i64 2147483647)
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  %val = extractvalue {i64, i1} %t, 0
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  %obit = extractvalue {i64, i1} %t, 1
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  store i64 %val, i64* %res
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  ret i1 %obit
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}
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define zeroext i1 @saddo.i64imm5(i64 %v1, i64* %res) {
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entry:
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; CHECK-LABEL: saddo.i64imm5
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; CHECK:       movl $2147483648
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; CHECK:       addq %rdi
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; CHECK-NEXT:  seto
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  %t = call {i64, i1} @llvm.sadd.with.overflow.i64(i64 %v1, i64 2147483648)
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  %val = extractvalue {i64, i1} %t, 0
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  %obit = extractvalue {i64, i1} %t, 1
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  store i64 %val, i64* %res
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  ret i1 %obit
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}
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; UADDO
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define zeroext i1 @uaddo.i32(i32 %v1, i32 %v2, i32* %res) {
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entry:
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; CHECK-LABEL: uaddo.i32
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; CHECK:       addl %esi, %edi
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; CHECK-NEXT:  setb %al
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  %t = call {i32, i1} @llvm.uadd.with.overflow.i32(i32 %v1, i32 %v2)
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  %val = extractvalue {i32, i1} %t, 0
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  %obit = extractvalue {i32, i1} %t, 1
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  store i32 %val, i32* %res
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  ret i1 %obit
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}
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define zeroext i1 @uaddo.i64(i64 %v1, i64 %v2, i64* %res) {
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entry:
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; CHECK-LABEL: uaddo.i64
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; CHECK:       addq %rsi, %rdi
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; CHECK-NEXT:  setb %al
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  %t = call {i64, i1} @llvm.uadd.with.overflow.i64(i64 %v1, i64 %v2)
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  %val = extractvalue {i64, i1} %t, 0
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  %obit = extractvalue {i64, i1} %t, 1
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  store i64 %val, i64* %res
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  ret i1 %obit
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}
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; UADDO reg, 1 | NOT INC
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define zeroext i1 @uaddo.inc.i8(i8 %v1, i8* %res) {
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entry:
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; CHECK-LABEL: uaddo.inc.i8
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; CHECK-NOT:   incb %dil
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  %t = call {i8, i1} @llvm.uadd.with.overflow.i8(i8 %v1, i8 1)
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  %val = extractvalue {i8, i1} %t, 0
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  %obit = extractvalue {i8, i1} %t, 1
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  store i8 %val, i8* %res
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  ret i1 %obit
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}
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define zeroext i1 @uaddo.inc.i16(i16 %v1, i16* %res) {
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entry:
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; CHECK-LABEL: uaddo.inc.i16
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; CHECK-NOT:   incw %di
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  %t = call {i16, i1} @llvm.uadd.with.overflow.i16(i16 %v1, i16 1)
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  %val = extractvalue {i16, i1} %t, 0
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  %obit = extractvalue {i16, i1} %t, 1
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  store i16 %val, i16* %res
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  ret i1 %obit
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}
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define zeroext i1 @uaddo.inc.i32(i32 %v1, i32* %res) {
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entry:
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; CHECK-LABEL: uaddo.inc.i32
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; CHECK-NOT:   incl %edi
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  %t = call {i32, i1} @llvm.uadd.with.overflow.i32(i32 %v1, i32 1)
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  %val = extractvalue {i32, i1} %t, 0
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  %obit = extractvalue {i32, i1} %t, 1
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  store i32 %val, i32* %res
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  ret i1 %obit
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}
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define zeroext i1 @uaddo.inc.i64(i64 %v1, i64* %res) {
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entry:
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; CHECK-LABEL: uaddo.inc.i64
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; CHECK-NOT:   incq %rdi
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  %t = call {i64, i1} @llvm.uadd.with.overflow.i64(i64 %v1, i64 1)
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  %val = extractvalue {i64, i1} %t, 0
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  %obit = extractvalue {i64, i1} %t, 1
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  store i64 %val, i64* %res
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  ret i1 %obit
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}
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; SSUBO
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define zeroext i1 @ssubo.i32(i32 %v1, i32 %v2, i32* %res) {
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entry:
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; CHECK-LABEL: ssubo.i32
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; CHECK:       subl %esi, %edi
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; CHECK-NEXT:  seto %al
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  %t = call {i32, i1} @llvm.ssub.with.overflow.i32(i32 %v1, i32 %v2)
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  %val = extractvalue {i32, i1} %t, 0
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  %obit = extractvalue {i32, i1} %t, 1
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  store i32 %val, i32* %res
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  ret i1 %obit
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}
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define zeroext i1 @ssubo.i64(i64 %v1, i64 %v2, i64* %res) {
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entry:
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; CHECK-LABEL: ssubo.i64
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; CHECK:       subq %rsi, %rdi
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; CHECK-NEXT:  seto %al
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  %t = call {i64, i1} @llvm.ssub.with.overflow.i64(i64 %v1, i64 %v2)
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  %val = extractvalue {i64, i1} %t, 0
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  %obit = extractvalue {i64, i1} %t, 1
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  store i64 %val, i64* %res
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  ret i1 %obit
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}
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; USUBO
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define zeroext i1 @usubo.i32(i32 %v1, i32 %v2, i32* %res) {
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entry:
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; CHECK-LABEL: usubo.i32
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; CHECK:       subl %esi, %edi
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; CHECK-NEXT:  setb %al
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  %t = call {i32, i1} @llvm.usub.with.overflow.i32(i32 %v1, i32 %v2)
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  %val = extractvalue {i32, i1} %t, 0
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  %obit = extractvalue {i32, i1} %t, 1
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  store i32 %val, i32* %res
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  ret i1 %obit
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}
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define zeroext i1 @usubo.i64(i64 %v1, i64 %v2, i64* %res) {
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entry:
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; CHECK-LABEL: usubo.i64
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; CHECK:       subq %rsi, %rdi
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; CHECK-NEXT:  setb %al
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  %t = call {i64, i1} @llvm.usub.with.overflow.i64(i64 %v1, i64 %v2)
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  %val = extractvalue {i64, i1} %t, 0
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  %obit = extractvalue {i64, i1} %t, 1
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  store i64 %val, i64* %res
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  ret i1 %obit
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}
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; SMULO
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define zeroext i1 @smulo.i8(i8 %v1, i8 %v2, i8* %res) {
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entry:
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; CHECK-LABEL:   smulo.i8
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; CHECK:         movl %edi, %eax
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; CHECK-NEXT:    imulb %sil
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; CHECK-NEXT:    seto %cl
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  %t = call {i8, i1} @llvm.smul.with.overflow.i8(i8 %v1, i8 %v2)
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  %val = extractvalue {i8, i1} %t, 0
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  %obit = extractvalue {i8, i1} %t, 1
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  store i8 %val, i8* %res
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  ret i1 %obit
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}
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define zeroext i1 @smulo.i16(i16 %v1, i16 %v2, i16* %res) {
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entry:
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; CHECK-LABEL: smulo.i16
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; CHECK:       imulw %si, %di
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; CHECK-NEXT:  seto %al
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  %t = call {i16, i1} @llvm.smul.with.overflow.i16(i16 %v1, i16 %v2)
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  %val = extractvalue {i16, i1} %t, 0
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  %obit = extractvalue {i16, i1} %t, 1
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  store i16 %val, i16* %res
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  ret i1 %obit
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}
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define zeroext i1 @smulo.i32(i32 %v1, i32 %v2, i32* %res) {
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entry:
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; CHECK-LABEL: smulo.i32
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; CHECK:       imull %esi, %edi
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; CHECK-NEXT:  seto %al
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  %t = call {i32, i1} @llvm.smul.with.overflow.i32(i32 %v1, i32 %v2)
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  %val = extractvalue {i32, i1} %t, 0
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  %obit = extractvalue {i32, i1} %t, 1
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  store i32 %val, i32* %res
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  ret i1 %obit
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}
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define zeroext i1 @smulo.i64(i64 %v1, i64 %v2, i64* %res) {
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entry:
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; CHECK-LABEL: smulo.i64
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; CHECK:       imulq %rsi, %rdi
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; CHECK-NEXT:  seto %al
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  %t = call {i64, i1} @llvm.smul.with.overflow.i64(i64 %v1, i64 %v2)
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  %val = extractvalue {i64, i1} %t, 0
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  %obit = extractvalue {i64, i1} %t, 1
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  store i64 %val, i64* %res
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  ret i1 %obit
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}
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; UMULO
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define zeroext i1 @umulo.i8(i8 %v1, i8 %v2, i8* %res) {
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entry:
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; CHECK-LABEL:   umulo.i8
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; CHECK:         movl %edi, %eax
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; CHECK-NEXT:    mulb %sil
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; CHECK-NEXT:    seto %cl
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  %t = call {i8, i1} @llvm.umul.with.overflow.i8(i8 %v1, i8 %v2)
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  %val = extractvalue {i8, i1} %t, 0
 | 
						|
  %obit = extractvalue {i8, i1} %t, 1
 | 
						|
  store i8 %val, i8* %res
 | 
						|
  ret i1 %obit
 | 
						|
}
 | 
						|
 | 
						|
define zeroext i1 @umulo.i16(i16 %v1, i16 %v2, i16* %res) {
 | 
						|
entry:
 | 
						|
; CHECK-LABEL: umulo.i16
 | 
						|
; CHECK:       mulw %si
 | 
						|
; CHECK-NEXT:  seto
 | 
						|
  %t = call {i16, i1} @llvm.umul.with.overflow.i16(i16 %v1, i16 %v2)
 | 
						|
  %val = extractvalue {i16, i1} %t, 0
 | 
						|
  %obit = extractvalue {i16, i1} %t, 1
 | 
						|
  store i16 %val, i16* %res
 | 
						|
  ret i1 %obit
 | 
						|
}
 | 
						|
 | 
						|
define zeroext i1 @umulo.i32(i32 %v1, i32 %v2, i32* %res) {
 | 
						|
entry:
 | 
						|
; CHECK-LABEL: umulo.i32
 | 
						|
; CHECK:       mull %esi
 | 
						|
; CHECK-NEXT:  seto
 | 
						|
  %t = call {i32, i1} @llvm.umul.with.overflow.i32(i32 %v1, i32 %v2)
 | 
						|
  %val = extractvalue {i32, i1} %t, 0
 | 
						|
  %obit = extractvalue {i32, i1} %t, 1
 | 
						|
  store i32 %val, i32* %res
 | 
						|
  ret i1 %obit
 | 
						|
}
 | 
						|
 | 
						|
define zeroext i1 @umulo.i64(i64 %v1, i64 %v2, i64* %res) {
 | 
						|
entry:
 | 
						|
; CHECK-LABEL: umulo.i64
 | 
						|
; CHECK:       mulq %rsi
 | 
						|
; CHECK-NEXT:  seto
 | 
						|
  %t = call {i64, i1} @llvm.umul.with.overflow.i64(i64 %v1, i64 %v2)
 | 
						|
  %val = extractvalue {i64, i1} %t, 0
 | 
						|
  %obit = extractvalue {i64, i1} %t, 1
 | 
						|
  store i64 %val, i64* %res
 | 
						|
  ret i1 %obit
 | 
						|
}
 | 
						|
 | 
						|
;
 | 
						|
; Check the use of the overflow bit in combination with a select instruction.
 | 
						|
;
 | 
						|
define i32 @saddo.select.i32(i32 %v1, i32 %v2) {
 | 
						|
entry:
 | 
						|
; CHECK-LABEL: saddo.select.i32
 | 
						|
; CHECK:       addl   %esi, %eax
 | 
						|
; CHECK-NEXT:  cmovol %edi, %esi
 | 
						|
  %t = call {i32, i1} @llvm.sadd.with.overflow.i32(i32 %v1, i32 %v2)
 | 
						|
  %obit = extractvalue {i32, i1} %t, 1
 | 
						|
  %ret = select i1 %obit, i32 %v1, i32 %v2
 | 
						|
  ret i32 %ret
 | 
						|
}
 | 
						|
 | 
						|
define i64 @saddo.select.i64(i64 %v1, i64 %v2) {
 | 
						|
entry:
 | 
						|
; CHECK-LABEL: saddo.select.i64
 | 
						|
; CHECK:       addq   %rsi, %rax
 | 
						|
; CHECK-NEXT:  cmovoq %rdi, %rsi
 | 
						|
  %t = call {i64, i1} @llvm.sadd.with.overflow.i64(i64 %v1, i64 %v2)
 | 
						|
  %obit = extractvalue {i64, i1} %t, 1
 | 
						|
  %ret = select i1 %obit, i64 %v1, i64 %v2
 | 
						|
  ret i64 %ret
 | 
						|
}
 | 
						|
 | 
						|
define i32 @uaddo.select.i32(i32 %v1, i32 %v2) {
 | 
						|
entry:
 | 
						|
; CHECK-LABEL: uaddo.select.i32
 | 
						|
; CHECK:       addl   %esi, %eax
 | 
						|
; CHECK-NEXT:  cmovbl %edi, %esi
 | 
						|
  %t = call {i32, i1} @llvm.uadd.with.overflow.i32(i32 %v1, i32 %v2)
 | 
						|
  %obit = extractvalue {i32, i1} %t, 1
 | 
						|
  %ret = select i1 %obit, i32 %v1, i32 %v2
 | 
						|
  ret i32 %ret
 | 
						|
}
 | 
						|
 | 
						|
define i64 @uaddo.select.i64(i64 %v1, i64 %v2) {
 | 
						|
entry:
 | 
						|
; CHECK-LABEL: uaddo.select.i64
 | 
						|
; CHECK:       addq   %rsi, %rax
 | 
						|
; CHECK-NEXT:  cmovbq %rdi, %rsi
 | 
						|
  %t = call {i64, i1} @llvm.uadd.with.overflow.i64(i64 %v1, i64 %v2)
 | 
						|
  %obit = extractvalue {i64, i1} %t, 1
 | 
						|
  %ret = select i1 %obit, i64 %v1, i64 %v2
 | 
						|
  ret i64 %ret
 | 
						|
}
 | 
						|
 | 
						|
define i32 @ssubo.select.i32(i32 %v1, i32 %v2) {
 | 
						|
entry:
 | 
						|
; CHECK-LABEL: ssubo.select.i32
 | 
						|
; CHECK:       cmpl   %esi, %edi
 | 
						|
; CHECK-NEXT:  cmovol %edi, %esi
 | 
						|
  %t = call {i32, i1} @llvm.ssub.with.overflow.i32(i32 %v1, i32 %v2)
 | 
						|
  %obit = extractvalue {i32, i1} %t, 1
 | 
						|
  %ret = select i1 %obit, i32 %v1, i32 %v2
 | 
						|
  ret i32 %ret
 | 
						|
}
 | 
						|
 | 
						|
define i64 @ssubo.select.i64(i64 %v1, i64 %v2) {
 | 
						|
entry:
 | 
						|
; CHECK-LABEL: ssubo.select.i64
 | 
						|
; CHECK:       cmpq   %rsi, %rdi
 | 
						|
; CHECK-NEXT:  cmovoq %rdi, %rsi
 | 
						|
  %t = call {i64, i1} @llvm.ssub.with.overflow.i64(i64 %v1, i64 %v2)
 | 
						|
  %obit = extractvalue {i64, i1} %t, 1
 | 
						|
  %ret = select i1 %obit, i64 %v1, i64 %v2
 | 
						|
  ret i64 %ret
 | 
						|
}
 | 
						|
 | 
						|
define i32 @usubo.select.i32(i32 %v1, i32 %v2) {
 | 
						|
entry:
 | 
						|
; CHECK-LABEL: usubo.select.i32
 | 
						|
; CHECK:       cmpl   %esi, %edi
 | 
						|
; CHECK-NEXT:  cmovbl %edi, %esi
 | 
						|
  %t = call {i32, i1} @llvm.usub.with.overflow.i32(i32 %v1, i32 %v2)
 | 
						|
  %obit = extractvalue {i32, i1} %t, 1
 | 
						|
  %ret = select i1 %obit, i32 %v1, i32 %v2
 | 
						|
  ret i32 %ret
 | 
						|
}
 | 
						|
 | 
						|
define i64 @usubo.select.i64(i64 %v1, i64 %v2) {
 | 
						|
entry:
 | 
						|
; CHECK-LABEL: usubo.select.i64
 | 
						|
; CHECK:       cmpq   %rsi, %rdi
 | 
						|
; CHECK-NEXT:  cmovbq %rdi, %rsi
 | 
						|
  %t = call {i64, i1} @llvm.usub.with.overflow.i64(i64 %v1, i64 %v2)
 | 
						|
  %obit = extractvalue {i64, i1} %t, 1
 | 
						|
  %ret = select i1 %obit, i64 %v1, i64 %v2
 | 
						|
  ret i64 %ret
 | 
						|
}
 | 
						|
 | 
						|
define i32 @smulo.select.i32(i32 %v1, i32 %v2) {
 | 
						|
entry:
 | 
						|
; CHECK-LABEL: smulo.select.i32
 | 
						|
; CHECK:       imull  %esi, %eax
 | 
						|
; CHECK-NEXT:  cmovol %edi, %esi
 | 
						|
  %t = call {i32, i1} @llvm.smul.with.overflow.i32(i32 %v1, i32 %v2)
 | 
						|
  %obit = extractvalue {i32, i1} %t, 1
 | 
						|
  %ret = select i1 %obit, i32 %v1, i32 %v2
 | 
						|
  ret i32 %ret
 | 
						|
}
 | 
						|
 | 
						|
define i64 @smulo.select.i64(i64 %v1, i64 %v2) {
 | 
						|
entry:
 | 
						|
; CHECK-LABEL: smulo.select.i64
 | 
						|
; CHECK:       imulq  %rsi, %rax
 | 
						|
; CHECK-NEXT:  cmovoq %rdi, %rsi
 | 
						|
  %t = call {i64, i1} @llvm.smul.with.overflow.i64(i64 %v1, i64 %v2)
 | 
						|
  %obit = extractvalue {i64, i1} %t, 1
 | 
						|
  %ret = select i1 %obit, i64 %v1, i64 %v2
 | 
						|
  ret i64 %ret
 | 
						|
}
 | 
						|
 | 
						|
define i32 @umulo.select.i32(i32 %v1, i32 %v2) {
 | 
						|
entry:
 | 
						|
; CHECK-LABEL: umulo.select.i32
 | 
						|
; CHECK:       mull   %esi
 | 
						|
; CHECK-NEXT:  cmovol %edi, %esi
 | 
						|
  %t = call {i32, i1} @llvm.umul.with.overflow.i32(i32 %v1, i32 %v2)
 | 
						|
  %obit = extractvalue {i32, i1} %t, 1
 | 
						|
  %ret = select i1 %obit, i32 %v1, i32 %v2
 | 
						|
  ret i32 %ret
 | 
						|
}
 | 
						|
 | 
						|
define i64 @umulo.select.i64(i64 %v1, i64 %v2) {
 | 
						|
entry:
 | 
						|
; CHECK-LABEL: umulo.select.i64
 | 
						|
; CHECK:       mulq   %rsi
 | 
						|
; CHECK-NEXT:  cmovoq %rdi, %rsi
 | 
						|
  %t = call {i64, i1} @llvm.umul.with.overflow.i64(i64 %v1, i64 %v2)
 | 
						|
  %obit = extractvalue {i64, i1} %t, 1
 | 
						|
  %ret = select i1 %obit, i64 %v1, i64 %v2
 | 
						|
  ret i64 %ret
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
;
 | 
						|
; Check the use of the overflow bit in combination with a branch instruction.
 | 
						|
;
 | 
						|
define zeroext i1 @saddo.br.i32(i32 %v1, i32 %v2) {
 | 
						|
entry:
 | 
						|
; CHECK-LABEL: saddo.br.i32
 | 
						|
; CHECK:       addl   %esi, %edi
 | 
						|
; CHECK-NEXT:  jo
 | 
						|
  %t = call {i32, i1} @llvm.sadd.with.overflow.i32(i32 %v1, i32 %v2)
 | 
						|
  %val = extractvalue {i32, i1} %t, 0
 | 
						|
  %obit = extractvalue {i32, i1} %t, 1
 | 
						|
  br i1 %obit, label %overflow, label %continue, !prof !0
 | 
						|
 | 
						|
overflow:
 | 
						|
  ret i1 false
 | 
						|
 | 
						|
continue:
 | 
						|
  ret i1 true
 | 
						|
}
 | 
						|
 | 
						|
define zeroext i1 @saddo.br.i64(i64 %v1, i64 %v2) {
 | 
						|
entry:
 | 
						|
; CHECK-LABEL: saddo.br.i64
 | 
						|
; CHECK:       addq   %rsi, %rdi
 | 
						|
; CHECK-NEXT:  jo
 | 
						|
  %t = call {i64, i1} @llvm.sadd.with.overflow.i64(i64 %v1, i64 %v2)
 | 
						|
  %val = extractvalue {i64, i1} %t, 0
 | 
						|
  %obit = extractvalue {i64, i1} %t, 1
 | 
						|
  br i1 %obit, label %overflow, label %continue, !prof !0
 | 
						|
 | 
						|
overflow:
 | 
						|
  ret i1 false
 | 
						|
 | 
						|
continue:
 | 
						|
  ret i1 true
 | 
						|
}
 | 
						|
 | 
						|
define zeroext i1 @uaddo.br.i32(i32 %v1, i32 %v2) {
 | 
						|
entry:
 | 
						|
; CHECK-LABEL: uaddo.br.i32
 | 
						|
; CHECK:       addl   %esi, %edi
 | 
						|
; CHECK-NEXT:  jb
 | 
						|
  %t = call {i32, i1} @llvm.uadd.with.overflow.i32(i32 %v1, i32 %v2)
 | 
						|
  %val = extractvalue {i32, i1} %t, 0
 | 
						|
  %obit = extractvalue {i32, i1} %t, 1
 | 
						|
  br i1 %obit, label %overflow, label %continue, !prof !0
 | 
						|
 | 
						|
overflow:
 | 
						|
  ret i1 false
 | 
						|
 | 
						|
continue:
 | 
						|
  ret i1 true
 | 
						|
}
 | 
						|
 | 
						|
define zeroext i1 @uaddo.br.i64(i64 %v1, i64 %v2) {
 | 
						|
entry:
 | 
						|
; CHECK-LABEL: uaddo.br.i64
 | 
						|
; CHECK:       addq   %rsi, %rdi
 | 
						|
; CHECK-NEXT:  jb
 | 
						|
  %t = call {i64, i1} @llvm.uadd.with.overflow.i64(i64 %v1, i64 %v2)
 | 
						|
  %val = extractvalue {i64, i1} %t, 0
 | 
						|
  %obit = extractvalue {i64, i1} %t, 1
 | 
						|
  br i1 %obit, label %overflow, label %continue, !prof !0
 | 
						|
 | 
						|
overflow:
 | 
						|
  ret i1 false
 | 
						|
 | 
						|
continue:
 | 
						|
  ret i1 true
 | 
						|
}
 | 
						|
 | 
						|
define zeroext i1 @ssubo.br.i32(i32 %v1, i32 %v2) {
 | 
						|
entry:
 | 
						|
; CHECK-LABEL: ssubo.br.i32
 | 
						|
; CHECK:       cmpl   %esi, %edi
 | 
						|
; CHECK-NEXT:  jo
 | 
						|
  %t = call {i32, i1} @llvm.ssub.with.overflow.i32(i32 %v1, i32 %v2)
 | 
						|
  %val = extractvalue {i32, i1} %t, 0
 | 
						|
  %obit = extractvalue {i32, i1} %t, 1
 | 
						|
  br i1 %obit, label %overflow, label %continue, !prof !0
 | 
						|
 | 
						|
overflow:
 | 
						|
  ret i1 false
 | 
						|
 | 
						|
continue:
 | 
						|
  ret i1 true
 | 
						|
}
 | 
						|
 | 
						|
define zeroext i1 @ssubo.br.i64(i64 %v1, i64 %v2) {
 | 
						|
entry:
 | 
						|
; CHECK-LABEL: ssubo.br.i64
 | 
						|
; CHECK:       cmpq   %rsi, %rdi
 | 
						|
; CHECK-NEXT:  jo
 | 
						|
  %t = call {i64, i1} @llvm.ssub.with.overflow.i64(i64 %v1, i64 %v2)
 | 
						|
  %val = extractvalue {i64, i1} %t, 0
 | 
						|
  %obit = extractvalue {i64, i1} %t, 1
 | 
						|
  br i1 %obit, label %overflow, label %continue, !prof !0
 | 
						|
 | 
						|
overflow:
 | 
						|
  ret i1 false
 | 
						|
 | 
						|
continue:
 | 
						|
  ret i1 true
 | 
						|
}
 | 
						|
 | 
						|
define zeroext i1 @usubo.br.i32(i32 %v1, i32 %v2) {
 | 
						|
entry:
 | 
						|
; CHECK-LABEL: usubo.br.i32
 | 
						|
; CHECK:       cmpl   %esi, %edi
 | 
						|
; CHECK-NEXT:  jb
 | 
						|
  %t = call {i32, i1} @llvm.usub.with.overflow.i32(i32 %v1, i32 %v2)
 | 
						|
  %val = extractvalue {i32, i1} %t, 0
 | 
						|
  %obit = extractvalue {i32, i1} %t, 1
 | 
						|
  br i1 %obit, label %overflow, label %continue, !prof !0
 | 
						|
 | 
						|
overflow:
 | 
						|
  ret i1 false
 | 
						|
 | 
						|
continue:
 | 
						|
  ret i1 true
 | 
						|
}
 | 
						|
 | 
						|
define zeroext i1 @usubo.br.i64(i64 %v1, i64 %v2) {
 | 
						|
entry:
 | 
						|
; CHECK-LABEL: usubo.br.i64
 | 
						|
; CHECK:       cmpq   %rsi, %rdi
 | 
						|
; CHECK-NEXT:  jb
 | 
						|
  %t = call {i64, i1} @llvm.usub.with.overflow.i64(i64 %v1, i64 %v2)
 | 
						|
  %val = extractvalue {i64, i1} %t, 0
 | 
						|
  %obit = extractvalue {i64, i1} %t, 1
 | 
						|
  br i1 %obit, label %overflow, label %continue, !prof !0
 | 
						|
 | 
						|
overflow:
 | 
						|
  ret i1 false
 | 
						|
 | 
						|
continue:
 | 
						|
  ret i1 true
 | 
						|
}
 | 
						|
 | 
						|
define zeroext i1 @smulo.br.i32(i32 %v1, i32 %v2) {
 | 
						|
entry:
 | 
						|
; CHECK-LABEL: smulo.br.i32
 | 
						|
; CHECK:       imull  %esi, %edi
 | 
						|
; CHECK-NEXT:  jo
 | 
						|
  %t = call {i32, i1} @llvm.smul.with.overflow.i32(i32 %v1, i32 %v2)
 | 
						|
  %val = extractvalue {i32, i1} %t, 0
 | 
						|
  %obit = extractvalue {i32, i1} %t, 1
 | 
						|
  br i1 %obit, label %overflow, label %continue, !prof !0
 | 
						|
 | 
						|
overflow:
 | 
						|
  ret i1 false
 | 
						|
 | 
						|
continue:
 | 
						|
  ret i1 true
 | 
						|
}
 | 
						|
 | 
						|
define zeroext i1 @smulo.br.i64(i64 %v1, i64 %v2) {
 | 
						|
entry:
 | 
						|
; CHECK-LABEL: smulo.br.i64
 | 
						|
; CHECK:       imulq  %rsi, %rdi
 | 
						|
; CHECK-NEXT:  jo
 | 
						|
  %t = call {i64, i1} @llvm.smul.with.overflow.i64(i64 %v1, i64 %v2)
 | 
						|
  %val = extractvalue {i64, i1} %t, 0
 | 
						|
  %obit = extractvalue {i64, i1} %t, 1
 | 
						|
  br i1 %obit, label %overflow, label %continue, !prof !0
 | 
						|
 | 
						|
overflow:
 | 
						|
  ret i1 false
 | 
						|
 | 
						|
continue:
 | 
						|
  ret i1 true
 | 
						|
}
 | 
						|
 | 
						|
define zeroext i1 @umulo.br.i32(i32 %v1, i32 %v2) {
 | 
						|
entry:
 | 
						|
; CHECK-LABEL: umulo.br.i32
 | 
						|
; CHECK:       mull  %esi
 | 
						|
; CHECK-NEXT:  jo
 | 
						|
  %t = call {i32, i1} @llvm.umul.with.overflow.i32(i32 %v1, i32 %v2)
 | 
						|
  %val = extractvalue {i32, i1} %t, 0
 | 
						|
  %obit = extractvalue {i32, i1} %t, 1
 | 
						|
  br i1 %obit, label %overflow, label %continue, !prof !0
 | 
						|
 | 
						|
overflow:
 | 
						|
  ret i1 false
 | 
						|
 | 
						|
continue:
 | 
						|
  ret i1 true
 | 
						|
}
 | 
						|
 | 
						|
define zeroext i1 @umulo.br.i64(i64 %v1, i64 %v2) {
 | 
						|
entry:
 | 
						|
; CHECK-LABEL: umulo.br.i64
 | 
						|
; CHECK:       mulq  %rsi
 | 
						|
; CHECK-NEXT:  jo
 | 
						|
  %t = call {i64, i1} @llvm.umul.with.overflow.i64(i64 %v1, i64 %v2)
 | 
						|
  %val = extractvalue {i64, i1} %t, 0
 | 
						|
  %obit = extractvalue {i64, i1} %t, 1
 | 
						|
  br i1 %obit, label %overflow, label %continue, !prof !0
 | 
						|
 | 
						|
overflow:
 | 
						|
  ret i1 false
 | 
						|
 | 
						|
continue:
 | 
						|
  ret i1 true
 | 
						|
}
 | 
						|
 | 
						|
define i1 @bug27873(i64 %c1, i1 %c2) {
 | 
						|
; KNL-LABEL: bug27873:
 | 
						|
; KNL:       ## BB#0:
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						|
; KNL-NEXT:    andl $1, %esi
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						|
; KNL-NEXT:    kmovw %esi, %k0
 | 
						|
; KNL-NEXT:    movl $160, %ecx
 | 
						|
; KNL-NEXT:    movq %rdi, %rax
 | 
						|
; KNL-NEXT:    mulq %rcx
 | 
						|
; KNL-NEXT:    seto %al
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						|
; KNL-NEXT:    kmovw %eax, %k1
 | 
						|
; KNL-NEXT:    korw %k1, %k0, %k0
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						|
; KNL-NEXT:    kmovw %k0, %eax
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						|
; KNL-NEXT:    # kill
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						|
; KNL-NEXT:    retq
 | 
						|
  %mul = call { i64, i1 } @llvm.umul.with.overflow.i64(i64 %c1, i64 160)
 | 
						|
  %mul.overflow = extractvalue { i64, i1 } %mul, 1
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						|
  %x1 = or i1 %c2, %mul.overflow
 | 
						|
  ret i1 %x1
 | 
						|
}
 | 
						|
 | 
						|
declare {i8,  i1} @llvm.sadd.with.overflow.i8 (i8,  i8 ) nounwind readnone
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						|
declare {i16, i1} @llvm.sadd.with.overflow.i16(i16, i16) nounwind readnone
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						|
declare {i32, i1} @llvm.sadd.with.overflow.i32(i32, i32) nounwind readnone
 | 
						|
declare {i64, i1} @llvm.sadd.with.overflow.i64(i64, i64) nounwind readnone
 | 
						|
declare {i8,  i1} @llvm.uadd.with.overflow.i8 (i8,  i8 ) nounwind readnone
 | 
						|
declare {i16, i1} @llvm.uadd.with.overflow.i16(i16, i16) nounwind readnone
 | 
						|
declare {i32, i1} @llvm.uadd.with.overflow.i32(i32, i32) nounwind readnone
 | 
						|
declare {i64, i1} @llvm.uadd.with.overflow.i64(i64, i64) nounwind readnone
 | 
						|
declare {i32, i1} @llvm.ssub.with.overflow.i32(i32, i32) nounwind readnone
 | 
						|
declare {i64, i1} @llvm.ssub.with.overflow.i64(i64, i64) nounwind readnone
 | 
						|
declare {i32, i1} @llvm.usub.with.overflow.i32(i32, i32) nounwind readnone
 | 
						|
declare {i64, i1} @llvm.usub.with.overflow.i64(i64, i64) nounwind readnone
 | 
						|
declare {i8,  i1} @llvm.smul.with.overflow.i8 (i8,  i8 ) nounwind readnone
 | 
						|
declare {i16, i1} @llvm.smul.with.overflow.i16(i16, i16) nounwind readnone
 | 
						|
declare {i32, i1} @llvm.smul.with.overflow.i32(i32, i32) nounwind readnone
 | 
						|
declare {i64, i1} @llvm.smul.with.overflow.i64(i64, i64) nounwind readnone
 | 
						|
declare {i8,  i1} @llvm.umul.with.overflow.i8 (i8,  i8 ) nounwind readnone
 | 
						|
declare {i16, i1} @llvm.umul.with.overflow.i16(i16, i16) nounwind readnone
 | 
						|
declare {i32, i1} @llvm.umul.with.overflow.i32(i32, i32) nounwind readnone
 | 
						|
declare {i64, i1} @llvm.umul.with.overflow.i64(i64, i64) nounwind readnone
 | 
						|
 | 
						|
!0 = !{!"branch_weights", i32 0, i32 2147483647}
 |