wide-fma-contraction.ll
1.76 KB
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
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mcpu=bdver2 -mattr=-fma -mtriple=i686-apple-darwin < %s | FileCheck %s
; RUN: llc -mcpu=bdver2 -mattr=-fma,-fma4 -mtriple=i686-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-LABEL: fmafunc:
; CHECK: ## %bb.0:
; CHECK-NEXT: pushl %ebp
; CHECK-NEXT: .cfi_def_cfa_offset 8
; CHECK-NEXT: .cfi_offset %ebp, -8
; CHECK-NEXT: movl %esp, %ebp
; CHECK-NEXT: .cfi_def_cfa_register %ebp
; CHECK-NEXT: andl $-32, %esp
; CHECK-NEXT: subl $32, %esp
; CHECK-NEXT: vfmaddps {{.*#+}} ymm0 = (ymm0 * ymm2) + mem
; CHECK-NEXT: vfmaddps {{.*#+}} ymm1 = (ymm1 * ymm3) + mem
; CHECK-NEXT: movl %ebp, %esp
; CHECK-NEXT: popl %ebp
; CHECK-NEXT: retl
;
; CHECK-NOFMA-LABEL: fmafunc:
; CHECK-NOFMA: ## %bb.0:
; CHECK-NOFMA-NEXT: pushl %ebp
; CHECK-NOFMA-NEXT: .cfi_def_cfa_offset 8
; CHECK-NOFMA-NEXT: .cfi_offset %ebp, -8
; CHECK-NOFMA-NEXT: movl %esp, %ebp
; CHECK-NOFMA-NEXT: .cfi_def_cfa_register %ebp
; CHECK-NOFMA-NEXT: andl $-32, %esp
; CHECK-NOFMA-NEXT: subl $32, %esp
; CHECK-NOFMA-NEXT: vmulps %ymm2, %ymm0, %ymm0
; CHECK-NOFMA-NEXT: vmulps %ymm3, %ymm1, %ymm1
; CHECK-NOFMA-NEXT: vaddps 8(%ebp), %ymm0, %ymm0
; CHECK-NOFMA-NEXT: vaddps 40(%ebp), %ymm1, %ymm1
; CHECK-NOFMA-NEXT: movl %ebp, %esp
; CHECK-NOFMA-NEXT: popl %ebp
; CHECK-NOFMA-NEXT: retl
%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