File: irtranslator-fast-math-flags.ll

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-12
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,496,180 kB
  • sloc: cpp: 5,593,972; ansic: 986,872; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,538; xml: 953; cs: 573; fortran: 567
file content (31 lines) | stat: -rw-r--r-- 1,159 bytes parent folder | download | duplicates (11)
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
; RUN: llc -march=amdgcn -mcpu=fiji -O0 -stop-after=irtranslator -global-isel %s -o - | FileCheck %s

; Check flags are preserved for a regular instruction.
; CHECK-LABEL: name: fadd_nnan
; CHECK: nnan G_FADD
define amdgpu_kernel void @fadd_nnan(float %arg0, float %arg1) {
  %res = fadd nnan float %arg0, %arg1
  store float %res, float addrspace(1)* undef
  ret void
}

; Check flags are preserved for a specially handled intrinsic
; CHECK-LABEL: name: fma_fast
; CHECK: nnan ninf nsz arcp contract afn reassoc G_FMA
define amdgpu_kernel void @fma_fast(float %arg0, float %arg1, float %arg2) {
  %res = call fast float @llvm.fma.f32(float %arg0, float %arg1, float %arg2)
  store float %res, float addrspace(1)* undef
  ret void
}

; Check flags are preserved for an arbitrarry target intrinsic
; CHECK-LABEL: name: rcp_nsz
; CHECK: = nsz G_INTRINSIC intrinsic(@llvm.amdgcn.rcp), %{{[0-9]+}}(s32)
define amdgpu_kernel void @rcp_nsz(float %arg0) {
  %res = call nsz float @llvm.amdgcn.rcp.f32 (float %arg0)
  store float %res, float addrspace(1)* undef
  ret void
}

declare float @llvm.fma.f32(float, float, float)
declare float @llvm.amdgcn.rcp.f32(float)