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# 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
...
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