1; RUN: opt -S -instcombine < %s | FileCheck %s
2
3declare float @llvm.ceil.f32(float) #0
4declare double @llvm.ceil.f64(double) #0
5declare <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
9define 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
16define 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
23define 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>
30define <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
37define 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
44define 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
51define double @constant_fold_ceil_f64_03() #0 {
52  %x = call double @llvm.ceil.f64(double -1.75) #0
53  ret double %x
54}
55
56attributes #0 = { nounwind readnone }
57