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
| # RUN: llc -run-pass postrapseudos -mtriple=x86_64-unknown-unknown -mattr=+3dnow -o - %s | FileCheck %s
# This test verifies that the ExpandPostRA pass expands the GR64 <-> VR64
# copies into appropriate MMX_MOV instructions.
--- |
define <2 x i32> @test_pswapdsi(<2 x i32> %a) nounwind readnone {
entry:
%0 = bitcast <2 x i32> %a to x86_mmx
%1 = tail call x86_mmx @llvm.x86.3dnowa.pswapd(x86_mmx %0)
%2 = bitcast x86_mmx %1 to <2 x i32>
ret <2 x i32> %2
}
declare x86_mmx @llvm.x86.3dnowa.pswapd(x86_mmx) nounwind readnone
...
---
name: test_pswapdsi
tracksRegLiveness: true
body: |
bb.0.entry:
liveins: $xmm0
$xmm0 = PSHUFDri killed $xmm0, -24
MOVPQI2QImr $rsp, 1, $noreg, -8, $noreg, killed $xmm0
$mm0 = PSWAPDrm $rsp, 1, $noreg, -8, $noreg
; CHECK: $rax = MMX_MOVD64from64rr $mm0
; CHECK-NEXT: $mm0 = MMX_MOVD64to64rr $rax
$rax = COPY $mm0
$mm0 = COPY $rax
MMX_MOVQ64mr $rsp, 1, $noreg, -16, $noreg, killed $mm0
$xmm0 = MOVQI2PQIrm $rsp, 1, $noreg, -16, $noreg
$xmm0 = PSHUFDri killed $xmm0, -44
RETQ $xmm0
...
|