57 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			57 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: opt -S -instcombine < %s | FileCheck %s
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| 
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| declare float @llvm.ceil.f32(float) #0
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| declare double @llvm.ceil.f64(double) #0
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| declare <4 x float> @llvm.ceil.v4f32(<4 x float>) #0
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| 
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| ; CHECK-LABEL: @constant_fold_ceil_f32_01
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| ; CHECK-NEXT: ret float 1.000000e+00
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| define float @constant_fold_ceil_f32_01() #0 {
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|   %x = call float @llvm.ceil.f32(float 1.00) #0
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|   ret float %x
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| }
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| 
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| ; CHECK-LABEL: @constant_fold_ceil_f32_02
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| ; CHECK-NEXT: ret float 2.000000e+00
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| define float @constant_fold_ceil_f32_02() #0 {
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|   %x = call float @llvm.ceil.f32(float 1.25) #0
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|   ret float %x
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| }
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| 
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| ; CHECK-LABEL: @constant_fold_ceil_f32_03
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| ; CHECK-NEXT: ret float -1.000000e+00
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| define float @constant_fold_ceil_f32_03() #0 {
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|   %x = call float @llvm.ceil.f32(float -1.25) #0
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|   ret float %x
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| }
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| 
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| ; CHECK-LABEL: @constant_fold_ceil_v4f32_01
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| ; CHECK-NEXT: ret <4 x float> <float 1.000000e+00, float 2.000000e+00, float -1.000000e+00, float -1.000000e+00>
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| define <4 x float> @constant_fold_ceil_v4f32_01() #0 {
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|   %x = call <4 x float> @llvm.ceil.v4f32(<4 x float> <float 1.00, float 1.25, float -1.25, float -1.00>)
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|   ret <4 x float> %x
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| }
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| 
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| ; CHECK-LABEL: @constant_fold_ceil_f64_01
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| ; CHECK-NEXT: ret double 1.000000e+00
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| define double @constant_fold_ceil_f64_01() #0 {
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|   %x = call double @llvm.ceil.f64(double 1.0) #0
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|   ret double %x
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| }
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| 
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| ; CHECK-LABEL: @constant_fold_ceil_f64_02
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| ; CHECK-NEXT: ret double 2.000000e+00
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| define double @constant_fold_ceil_f64_02() #0 {
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|   %x = call double @llvm.ceil.f64(double 1.3) #0
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|   ret double %x
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| }
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| 
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| ; CHECK-LABEL: @constant_fold_ceil_f64_03
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| ; CHECK-NEXT: ret double -1.000000e+00
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| define double @constant_fold_ceil_f64_03() #0 {
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|   %x = call double @llvm.ceil.f64(double -1.75) #0
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|   ret double %x
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| }
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| 
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| attributes #0 = { nounwind readnone }
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