File: constant-fold-math.ll

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,998,520 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (66 lines) | stat: -rw-r--r-- 2,150 bytes parent folder | download | duplicates (13)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
; RUN: opt -S -passes=instcombine < %s | FileCheck %s

declare float @llvm.fma.f32(float, float, float) #0
declare float @llvm.fmuladd.f32(float, float, float) #0
declare <4 x float> @llvm.fma.v4f32(<4 x float>, <4 x float>, <4 x float>) #0

declare double @llvm.fma.f64(double, double, double) #0
declare double @llvm.fmuladd.f64(double, double, double) #0

declare double @llvm.sqrt.f64(double) #0


; CHECK-LABEL: @constant_fold_fma_f32
; CHECK-NEXT: ret float 6.000000e+00
define float @constant_fold_fma_f32() #0 {
  %x = call float @llvm.fma.f32(float 1.0, float 2.0, float 4.0) #0
  ret float %x
}

; CHECK-LABEL: @constant_fold_fma_v4f32
; CHECK-NEXT: ret <4 x float> <float 1.200000e+01, float 1.400000e+01, float 1.600000e+01, float 1.800000e+01>
define <4 x float> @constant_fold_fma_v4f32() #0 {
  %x = call <4 x float> @llvm.fma.v4f32(<4 x float> <float 1.0, float 2.0, float 3.0, float 4.0>, <4 x float> <float 2.0, float 2.0, float 2.0, float 2.0>, <4 x float> <float 10.0, float 10.0, float 10.0, float 10.0>)
  ret <4 x float> %x
}

; CHECK-LABEL: @constant_fold_fmuladd_f32
; CHECK-NEXT: ret float 6.000000e+00
define float @constant_fold_fmuladd_f32() #0 {
  %x = call float @llvm.fmuladd.f32(float 1.0, float 2.0, float 4.0) #0
  ret float %x
}

; CHECK-LABEL: @constant_fold_fma_f64
; CHECK-NEXT: ret double 6.000000e+00
define double @constant_fold_fma_f64() #0 {
  %x = call double @llvm.fma.f64(double 1.0, double 2.0, double 4.0) #0
  ret double %x
}

; CHECK-LABEL: @constant_fold_fmuladd_f64
; CHECK-NEXT: ret double 6.000000e+00
define double @constant_fold_fmuladd_f64() #0 {
  %x = call double @llvm.fmuladd.f64(double 1.0, double 2.0, double 4.0) #0
  ret double %x
}

; PR32177

; CHECK-LABEL: @constant_fold_frem_f32
; CHECK-NEXT: ret float 0x41A61B2000000000
define float @constant_fold_frem_f32() #0 {
  %x = frem float 0x43cbfcd960000000, 0xc1e2b34a00000000
  ret float %x
}

; PR3316

; CHECK-LABEL: @constant_fold_frem_f64
; CHECK-NEXT: ret double 0.000000e+00
define double @constant_fold_frem_f64() {
  %x = frem double 0x43E0000000000000, 1.000000e+00
  ret double %x
}

attributes #0 = { nounwind readnone }