File: wide-fma-contraction.ll

package info (click to toggle)
llvm-toolchain-4.0 1%3A4.0.1-10~deb9u2
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 493,332 kB
  • sloc: cpp: 2,698,100; ansic: 552,773; asm: 128,821; python: 121,589; objc: 105,054; sh: 21,174; lisp: 6,758; ml: 5,532; perl: 5,311; pascal: 5,245; makefile: 2,083; cs: 1,868; xml: 686; php: 212; csh: 117
file content (29 lines) | stat: -rw-r--r-- 915 bytes parent folder | download | duplicates (9)
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
; RUN: llc -march=x86 -mcpu=bdver2 -mattr=-fma -mtriple=x86_64-apple-darwin < %s | FileCheck %s
; RUN: llc -march=x86 -mcpu=bdver2 -mattr=-fma,-fma4 -mtriple=x86_64-apple-darwin < %s | FileCheck %s --check-prefix=CHECK-NOFMA

; CHECK-LABEL: fmafunc
; CHECK-NOFMA-LABEL: fmafunc
define <16 x float> @fmafunc(<16 x float> %a, <16 x float> %b, <16 x float> %c) {

; CHECK-NOT: vmulps
; CHECK-NOT: vaddps
; CHECK: vfmaddps
; CHECK-NOT: vmulps
; CHECK-NOT: vaddps
; CHECK: vfmaddps
; CHECK-NOT: vmulps
; CHECK-NOT: vaddps

; CHECK-NOFMA-NOT: calll
; CHECK-NOFMA: vmulps
; CHECK-NOFMA: vaddps
; CHECK-NOFMA-NOT: calll
; CHECK-NOFMA: vmulps
; CHECK-NOFMA: vaddps
; CHECK-NOFMA-NOT: calll

  %ret = tail call <16 x float> @llvm.fmuladd.v16f32(<16 x float> %a, <16 x float> %b, <16 x float> %c)
  ret <16 x float> %ret
}

declare <16 x float> @llvm.fmuladd.v16f32(<16 x float>, <16 x float>, <16 x float>) nounwind readnone