95 lines
2.2 KiB
LLVM
95 lines
2.2 KiB
LLVM
; RUN: llc -mcpu=generic -mtriple=i686-unknown-unknown < %s | FileCheck %s
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define i64 @test1(i32 %xx, i32 %test) nounwind {
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%conv = zext i32 %xx to i64
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%and = and i32 %test, 7
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%sh_prom = zext i32 %and to i64
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%shl = shl i64 %conv, %sh_prom
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ret i64 %shl
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; CHECK-LABEL: test1:
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; CHECK: shll %cl, %eax
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; CHECK: shrl %edx
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; CHECK: xorb $31
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; CHECK: shrl %cl, %edx
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}
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define i64 @test2(i64 %xx, i32 %test) nounwind {
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%and = and i32 %test, 7
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%sh_prom = zext i32 %and to i64
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%shl = shl i64 %xx, %sh_prom
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ret i64 %shl
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; CHECK-LABEL: test2:
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; CHECK: shll %cl, %esi
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; CHECK: shrl %edx
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; CHECK: xorb $31
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; CHECK: shrl %cl, %edx
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; CHECK: orl %esi, %edx
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; CHECK: shll %cl, %eax
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}
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define i64 @test3(i64 %xx, i32 %test) nounwind {
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%and = and i32 %test, 7
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%sh_prom = zext i32 %and to i64
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%shr = lshr i64 %xx, %sh_prom
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ret i64 %shr
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; CHECK-LABEL: test3:
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; CHECK: shrl %cl, %esi
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; CHECK: leal (%edx,%edx), %eax
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; CHECK: xorb $31, %cl
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; CHECK: shll %cl, %eax
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; CHECK: orl %esi, %eax
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; CHECK: shrl %cl, %edx
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}
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define i64 @test4(i64 %xx, i32 %test) nounwind {
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%and = and i32 %test, 7
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%sh_prom = zext i32 %and to i64
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%shr = ashr i64 %xx, %sh_prom
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ret i64 %shr
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; CHECK-LABEL: test4:
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; CHECK: shrl %cl, %esi
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; CHECK: leal (%edx,%edx), %eax
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; CHECK: xorb $31, %cl
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; CHECK: shll %cl, %eax
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; CHECK: orl %esi, %eax
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; CHECK: sarl %cl, %edx
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}
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; PR14668
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define <2 x i64> @test5(<2 x i64> %A, <2 x i64> %B) {
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%shl = shl <2 x i64> %A, %B
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ret <2 x i64> %shl
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; CHECK: test5
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; CHECK: shl
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; CHECK: shldl
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; CHECK: shl
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; CHECK: shldl
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}
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; PR16108
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define i32 @test6() {
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%x = alloca i32, align 4
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%t = alloca i64, align 8
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store i32 1, i32* %x, align 4
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store i64 1, i64* %t, align 8 ;; DEAD
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%load = load i32, i32* %x, align 4
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%shl = shl i32 %load, 8
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%add = add i32 %shl, -224
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%sh_prom = zext i32 %add to i64
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%shl1 = shl i64 1, %sh_prom
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%cmp = icmp ne i64 %shl1, 4294967296
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br i1 %cmp, label %if.then, label %if.end
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if.then: ; preds = %entry
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ret i32 1
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if.end: ; preds = %entry
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ret i32 0
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; CHECK-LABEL: test6:
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; CHECK-NOT: andb $31
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; CHECK: sete
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; CHECK: movzbl
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; CHECK: xorl $1
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; CHECK: orl
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}
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