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885c819f7b
GR64 <-> VR64 copies). This commit adds a MIR test case for the commit r242191, which was committed without one. This test case verifies that the ExpandPostRA pass expands the GR64 <-> VR64 copies into the appropriate MMX_MOV instructions. llvm-svn: 243457
38 lines
1.1 KiB
YAML
38 lines
1.1 KiB
YAML
# RUN: llc -run-pass postrapseudos -mtriple=x86_64-unknown-unknown -mattr=+3dnow -o /dev/null %s | FileCheck %s
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# This test verifies that the ExpandPostRA pass expands the GR64 <-> VR64
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# copies into appropriate MMX_MOV instructions.
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--- |
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define <2 x i32> @test_pswapdsi(<2 x i32> %a) nounwind readnone {
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entry:
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%0 = bitcast <2 x i32> %a to x86_mmx
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%1 = tail call x86_mmx @llvm.x86.3dnowa.pswapd(x86_mmx %0)
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%2 = bitcast x86_mmx %1 to <2 x i32>
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ret <2 x i32> %2
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}
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declare x86_mmx @llvm.x86.3dnowa.pswapd(x86_mmx) nounwind readnone
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...
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---
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name: test_pswapdsi
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tracksRegLiveness: true
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body:
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- id: 0
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name: entry
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liveins: [ '%xmm0' ]
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instructions:
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- '%xmm0 = PSHUFDri killed %xmm0, -24'
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- 'MOVPQI2QImr %rsp, 1, _, -8, _, killed %xmm0'
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- '%mm0 = PSWAPDrm %rsp, 1, _, -8, _'
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# CHECK: %rax = MMX_MOVD64from64rr %mm0
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# CHECK-NEXT: %mm0 = MMX_MOVD64to64rr %rax
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- '%rax = COPY %mm0'
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- '%mm0 = COPY %rax'
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- 'MMX_MOVQ64mr %rsp, 1, _, -16, _, killed %mm0'
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- '%xmm0 = MOVQI2PQIrm %rsp, 1, _, -16, _'
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- '%xmm0 = PSHUFDri killed %xmm0, -44'
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- 'RETQ %xmm0'
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...
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