1 ; RUN: opt -S -instcombine < %s | FileCheck %s 2 3 declare float @llvm.ceil.f32(float) #0 4 declare double @llvm.ceil.f64(double) #0 5 declare <4 x float> @llvm.ceil.v4f32(<4 x float>) #0 6 7 ; CHECK-LABEL: @constant_fold_ceil_f32_01 8 ; CHECK-NEXT: ret float 1.000000e+00 9 define float @constant_fold_ceil_f32_01() #0 { 10 %x = call float @llvm.ceil.f32(float 1.00) #0 11 ret float %x 12 } 13 14 ; CHECK-LABEL: @constant_fold_ceil_f32_02 15 ; CHECK-NEXT: ret float 2.000000e+00 16 define float @constant_fold_ceil_f32_02() #0 { 17 %x = call float @llvm.ceil.f32(float 1.25) #0 18 ret float %x 19 } 20 21 ; CHECK-LABEL: @constant_fold_ceil_f32_03 22 ; CHECK-NEXT: ret float -1.000000e+00 23 define float @constant_fold_ceil_f32_03() #0 { 24 %x = call float @llvm.ceil.f32(float -1.25) #0 25 ret float %x 26 } 27 28 ; CHECK-LABEL: @constant_fold_ceil_v4f32_01 29 ; CHECK-NEXT: ret <4 x float> <float 1.000000e+00, float 2.000000e+00, float -1.000000e+00, float -1.000000e+00> 30 define <4 x float> @constant_fold_ceil_v4f32_01() #0 { 31 %x = call <4 x float> @llvm.ceil.v4f32(<4 x float> <float 1.00, float 1.25, float -1.25, float -1.00>) 32 ret <4 x float> %x 33 } 34 35 ; CHECK-LABEL: @constant_fold_ceil_f64_01 36 ; CHECK-NEXT: ret double 1.000000e+00 37 define double @constant_fold_ceil_f64_01() #0 { 38 %x = call double @llvm.ceil.f64(double 1.0) #0 39 ret double %x 40 } 41 42 ; CHECK-LABEL: @constant_fold_ceil_f64_02 43 ; CHECK-NEXT: ret double 2.000000e+00 44 define double @constant_fold_ceil_f64_02() #0 { 45 %x = call double @llvm.ceil.f64(double 1.3) #0 46 ret double %x 47 } 48 49 ; CHECK-LABEL: @constant_fold_ceil_f64_03 50 ; CHECK-NEXT: ret double -1.000000e+00 51 define double @constant_fold_ceil_f64_03() #0 { 52 %x = call double @llvm.ceil.f64(double -1.75) #0 53 ret double %x 54 } 55 56 attributes #0 = { nounwind readnone } 57
