255 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			255 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: llc < %s -mtriple=aarch64-linux-gnuabi -O2 | FileCheck %s
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| 
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| ; The following cases are for i16
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| 
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| %struct.s_signed_i16 = type { i16, i16, i16 }
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| %struct.s_unsigned_i16 = type { i16, i16, i16 }
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| 
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| @cost_s_i8_i16 = common global %struct.s_signed_i16 zeroinitializer, align 2
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| @cost_u_i16 = common global %struct.s_unsigned_i16 zeroinitializer, align 2
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| 
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| define void @test_i16_2cmp_signed_1() {
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| ; CHECK-LABEL: test_i16_2cmp_signed_1
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| ; CHECK: cmp {{w[0-9]+}}, {{w[0-9]+}}
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| ; CHECK-NEXT: b.gt
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| ; CHECK-NOT: cmp
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| ; CHECK: b.ne
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| entry:
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|   %0 = load i16, i16* getelementptr inbounds (%struct.s_signed_i16, %struct.s_signed_i16* @cost_s_i8_i16, i64 0, i32 1), align 2
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|   %1 = load i16, i16* getelementptr inbounds (%struct.s_signed_i16, %struct.s_signed_i16* @cost_s_i8_i16, i64 0, i32 2), align 2
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|   %cmp = icmp sgt i16 %0, %1
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|   br i1 %cmp, label %if.then, label %if.else
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| 
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| if.then:                                          ; preds = %entry
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|   store i16 %0, i16* getelementptr inbounds (%struct.s_signed_i16, %struct.s_signed_i16* @cost_s_i8_i16, i64 0, i32 0), align 2
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|   br label %if.end8
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| 
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| if.else:                                          ; preds = %entry
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|   %cmp5 = icmp eq i16 %0, %1
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|   br i1 %cmp5, label %if.then7, label %if.end8
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| 
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| if.then7:                                         ; preds = %if.else
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|   store i16 %0, i16* getelementptr inbounds (%struct.s_signed_i16, %struct.s_signed_i16* @cost_s_i8_i16, i64 0, i32 0), align 2
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|   br label %if.end8
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| 
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| if.end8:                                          ; preds = %if.else, %if.then7, %if.then
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|   ret void
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| }
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| 
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| define void @test_i16_2cmp_signed_2() {
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| ; CHECK-LABEL: test_i16_2cmp_signed_2
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| ; CHECK: cmp {{w[0-9]+}}, {{w[0-9]+}}
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| ; CHECK-NEXT: b.le
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| ; CHECK-NOT: cmp
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| ; CHECK: b.ge
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| entry:
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|   %0 = load i16, i16* getelementptr inbounds (%struct.s_signed_i16, %struct.s_signed_i16* @cost_s_i8_i16, i64 0, i32 1), align 2
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|   %1 = load i16, i16* getelementptr inbounds (%struct.s_signed_i16, %struct.s_signed_i16* @cost_s_i8_i16, i64 0, i32 2), align 2
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|   %cmp = icmp sgt i16 %0, %1
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|   br i1 %cmp, label %if.then, label %if.else
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| 
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| if.then:                                          ; preds = %entry
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|   store i16 %0, i16* getelementptr inbounds (%struct.s_signed_i16, %struct.s_signed_i16* @cost_s_i8_i16, i64 0, i32 0), align 2
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|   br label %if.end8
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| 
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| if.else:                                          ; preds = %entry
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|   %cmp5 = icmp slt i16 %0, %1
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|   br i1 %cmp5, label %if.then7, label %if.end8
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| 
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| if.then7:                                         ; preds = %if.else
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|   store i16 %1, i16* getelementptr inbounds (%struct.s_signed_i16, %struct.s_signed_i16* @cost_s_i8_i16, i64 0, i32 0), align 2
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|   br label %if.end8
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| 
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| if.end8:                                          ; preds = %if.else, %if.then7, %if.then
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|   ret void
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| }
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| 
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| define void @test_i16_2cmp_unsigned_1() {
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| ; CHECK-LABEL: test_i16_2cmp_unsigned_1
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| ; CHECK: cmp {{w[0-9]+}}, {{w[0-9]+}}
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| ; CHECK-NEXT: b.hi
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| ; CHECK-NOT: cmp
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| ; CHECK: b.ne
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| entry:
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|   %0 = load i16, i16* getelementptr inbounds (%struct.s_unsigned_i16, %struct.s_unsigned_i16* @cost_u_i16, i64 0, i32 1), align 2
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|   %1 = load i16, i16* getelementptr inbounds (%struct.s_unsigned_i16, %struct.s_unsigned_i16* @cost_u_i16, i64 0, i32 2), align 2
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|   %cmp = icmp ugt i16 %0, %1
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|   br i1 %cmp, label %if.then, label %if.else
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| 
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| if.then:                                          ; preds = %entry
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|   store i16 %0, i16* getelementptr inbounds (%struct.s_unsigned_i16, %struct.s_unsigned_i16* @cost_u_i16, i64 0, i32 0), align 2
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|   br label %if.end8
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| 
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| if.else:                                          ; preds = %entry
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|   %cmp5 = icmp eq i16 %0, %1
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|   br i1 %cmp5, label %if.then7, label %if.end8
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| 
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| if.then7:                                         ; preds = %if.else
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|   store i16 %0, i16* getelementptr inbounds (%struct.s_unsigned_i16, %struct.s_unsigned_i16* @cost_u_i16, i64 0, i32 0), align 2
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|   br label %if.end8
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| 
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| if.end8:                                          ; preds = %if.else, %if.then7, %if.then
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|   ret void
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| }
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| 
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| define void @test_i16_2cmp_unsigned_2() {
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| ; CHECK-LABEL: test_i16_2cmp_unsigned_2
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| ; CHECK: cmp {{w[0-9]+}}, {{w[0-9]+}}
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| ; CHECK-NEXT: b.ls
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| ; CHECK-NOT: cmp
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| ; CHECK: b.hs
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| entry:
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|   %0 = load i16, i16* getelementptr inbounds (%struct.s_unsigned_i16, %struct.s_unsigned_i16* @cost_u_i16, i64 0, i32 1), align 2
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|   %1 = load i16, i16* getelementptr inbounds (%struct.s_unsigned_i16, %struct.s_unsigned_i16* @cost_u_i16, i64 0, i32 2), align 2
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|   %cmp = icmp ugt i16 %0, %1
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|   br i1 %cmp, label %if.then, label %if.else
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| 
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| if.then:                                          ; preds = %entry
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|   store i16 %0, i16* getelementptr inbounds (%struct.s_unsigned_i16, %struct.s_unsigned_i16* @cost_u_i16, i64 0, i32 0), align 2
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|   br label %if.end8
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| 
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| if.else:                                          ; preds = %entry
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|   %cmp5 = icmp ult i16 %0, %1
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|   br i1 %cmp5, label %if.then7, label %if.end8
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| 
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| if.then7:                                         ; preds = %if.else
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|   store i16 %1, i16* getelementptr inbounds (%struct.s_unsigned_i16, %struct.s_unsigned_i16* @cost_u_i16, i64 0, i32 0), align 2
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|   br label %if.end8
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| 
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| if.end8:                                          ; preds = %if.else, %if.then7, %if.then
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|   ret void
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| }
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| 
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| ; The following cases are for i8
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| 
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| %struct.s_signed_i8 = type { i8, i8, i8 }
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| %struct.s_unsigned_i8 = type { i8, i8, i8 }
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| 
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| @cost_s = common global %struct.s_signed_i8 zeroinitializer, align 2
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| @cost_u_i8 = common global %struct.s_unsigned_i8 zeroinitializer, align 2
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| 
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| 
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| define void @test_i8_2cmp_signed_1() {
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| ; CHECK-LABEL: test_i8_2cmp_signed_1
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| ; CHECK: cmp {{w[0-9]+}}, {{w[0-9]+}}
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| ; CHECK-NEXT: b.gt
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| ; CHECK-NOT: cmp
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| ; CHECK: b.ne
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| entry:
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|   %0 = load i8, i8* getelementptr inbounds (%struct.s_signed_i8, %struct.s_signed_i8* @cost_s, i64 0, i32 1), align 2
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|   %1 = load i8, i8* getelementptr inbounds (%struct.s_signed_i8, %struct.s_signed_i8* @cost_s, i64 0, i32 2), align 2
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|   %cmp = icmp sgt i8 %0, %1
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|   br i1 %cmp, label %if.then, label %if.else
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| 
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| if.then:                                          ; preds = %entry
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|   store i8 %0, i8* getelementptr inbounds (%struct.s_signed_i8, %struct.s_signed_i8* @cost_s, i64 0, i32 0), align 2
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|   br label %if.end8
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| 
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| if.else:                                          ; preds = %entry
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|   %cmp5 = icmp eq i8 %0, %1
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|   br i1 %cmp5, label %if.then7, label %if.end8
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| 
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| if.then7:                                         ; preds = %if.else
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|   store i8 %0, i8* getelementptr inbounds (%struct.s_signed_i8, %struct.s_signed_i8* @cost_s, i64 0, i32 0), align 2
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|   br label %if.end8
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| 
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| if.end8:                                          ; preds = %if.else, %if.then7, %if.then
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|   ret void
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| }
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| 
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| define void @test_i8_2cmp_signed_2() {
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| ; CHECK-LABEL: test_i8_2cmp_signed_2
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| ; CHECK: cmp {{w[0-9]+}}, {{w[0-9]+}}
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| ; CHECK-NEXT: b.le
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| ; CHECK-NOT: cmp
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| ; CHECK: b.ge
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| entry:
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|   %0 = load i8, i8* getelementptr inbounds (%struct.s_signed_i8, %struct.s_signed_i8* @cost_s, i64 0, i32 1), align 2
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|   %1 = load i8, i8* getelementptr inbounds (%struct.s_signed_i8, %struct.s_signed_i8* @cost_s, i64 0, i32 2), align 2
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|   %cmp = icmp sgt i8 %0, %1
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|   br i1 %cmp, label %if.then, label %if.else
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| 
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| if.then:                                          ; preds = %entry
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|   store i8 %0, i8* getelementptr inbounds (%struct.s_signed_i8, %struct.s_signed_i8* @cost_s, i64 0, i32 0), align 2
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|   br label %if.end8
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| 
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| if.else:                                          ; preds = %entry
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|   %cmp5 = icmp slt i8 %0, %1
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|   br i1 %cmp5, label %if.then7, label %if.end8
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| 
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| if.then7:                                         ; preds = %if.else
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|   store i8 %1, i8* getelementptr inbounds (%struct.s_signed_i8, %struct.s_signed_i8* @cost_s, i64 0, i32 0), align 2
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|   br label %if.end8
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| 
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| if.end8:                                          ; preds = %if.else, %if.then7, %if.then
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|   ret void
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| }
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| 
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| define void @test_i8_2cmp_unsigned_1() {
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| ; CHECK-LABEL: test_i8_2cmp_unsigned_1
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| ; CHECK: cmp {{w[0-9]+}}, {{w[0-9]+}}
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| ; CHECK-NEXT: b.hi
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| ; CHECK-NOT: cmp
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| ; CHECK: b.ne
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| entry:
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|   %0 = load i8, i8* getelementptr inbounds (%struct.s_unsigned_i8, %struct.s_unsigned_i8* @cost_u_i8, i64 0, i32 1), align 2
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|   %1 = load i8, i8* getelementptr inbounds (%struct.s_unsigned_i8, %struct.s_unsigned_i8* @cost_u_i8, i64 0, i32 2), align 2
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|   %cmp = icmp ugt i8 %0, %1
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|   br i1 %cmp, label %if.then, label %if.else
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| 
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| if.then:                                          ; preds = %entry
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|   store i8 %0, i8* getelementptr inbounds (%struct.s_unsigned_i8, %struct.s_unsigned_i8* @cost_u_i8, i64 0, i32 0), align 2
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|   br label %if.end8
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| 
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| if.else:                                          ; preds = %entry
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|   %cmp5 = icmp eq i8 %0, %1
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|   br i1 %cmp5, label %if.then7, label %if.end8
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| 
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| if.then7:                                         ; preds = %if.else
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|   store i8 %0, i8* getelementptr inbounds (%struct.s_unsigned_i8, %struct.s_unsigned_i8* @cost_u_i8, i64 0, i32 0), align 2
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|   br label %if.end8
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| 
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| if.end8:                                          ; preds = %if.else, %if.then7, %if.then
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|   ret void
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| }
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| 
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| define void @test_i8_2cmp_unsigned_2() {
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| ; CHECK-LABEL: test_i8_2cmp_unsigned_2
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| ; CHECK: cmp {{w[0-9]+}}, {{w[0-9]+}}
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| ; CHECK-NEXT: b.ls
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| ; CHECK-NOT: cmp
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| ; CHECK: b.hs
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| entry:
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|   %0 = load i8, i8* getelementptr inbounds (%struct.s_unsigned_i8, %struct.s_unsigned_i8* @cost_u_i8, i64 0, i32 1), align 2
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|   %1 = load i8, i8* getelementptr inbounds (%struct.s_unsigned_i8, %struct.s_unsigned_i8* @cost_u_i8, i64 0, i32 2), align 2
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|   %cmp = icmp ugt i8 %0, %1
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|   br i1 %cmp, label %if.then, label %if.else
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| 
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| if.then:                                          ; preds = %entry
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|   store i8 %0, i8* getelementptr inbounds (%struct.s_unsigned_i8, %struct.s_unsigned_i8* @cost_u_i8, i64 0, i32 0), align 2
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|   br label %if.end8
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| 
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| if.else:                                          ; preds = %entry
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|   %cmp5 = icmp ult i8 %0, %1
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|   br i1 %cmp5, label %if.then7, label %if.end8
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| 
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| if.then7:                                         ; preds = %if.else
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|   store i8 %1, i8* getelementptr inbounds (%struct.s_unsigned_i8, %struct.s_unsigned_i8* @cost_u_i8, i64 0, i32 0), align 2
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|   br label %if.end8
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| 
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| if.end8:                                          ; preds = %if.else, %if.then7, %if.then
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|   ret void
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| }
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| 
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| ; Make sure the case below won't crash.
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| 
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| ; The optimization of ZERO_EXTEND and SIGN_EXTEND in type legalization stage can't assert
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| ; the operand of a set_cc is always a TRUNCATE.
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| 
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| define i1 @foo(float %inl, float %inr) {
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|   %lval = fptosi float %inl to i8
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|   %rval = fptosi float %inr to i8
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|   %sum = icmp eq i8 %lval, %rval
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|   ret i1 %sum
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| }
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