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975bf7a977
Summary: Without this, this command $ llvm-run llc -stop-after machine-cp -o - <( echo '' ) outputs an error, because we close stdout twice -- once when closing the file opened for "-o", and again when closing outs(). Also clarify in the outs() definition that you can't ever call it if you want to open your own raw_fd_ostream on stdout. Reviewers: jroelofs, tstellarAMD Subscribers: jholewinski, qcolombet, dsanders, llvm-commits Differential Revision: http://reviews.llvm.org/D17422 llvm-svn: 261286
37 lines
1.1 KiB
YAML
37 lines
1.1 KiB
YAML
# RUN: llc -run-pass postrapseudos -mtriple=x86_64-unknown-unknown -mattr=+3dnow -o /dev/null %s 2>&1 | 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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bb.0.entry:
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liveins: %xmm0
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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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