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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 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@261286 91177308-0d34-0410-b5e6-96231b3b80d8
29 lines
728 B
YAML
29 lines
728 B
YAML
# RUN: llc -mtriple=aarch64-none-linux-gnu -start-after branch-folder -stop-after branch-folder -o /dev/null %s 2>&1 | FileCheck %s
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# This test ensures that the MIR parser can parse multiple register machine
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# operands before '='.
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--- |
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declare void @foo()
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define void @trivial_fp_func() {
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entry:
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call void @foo()
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ret void
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}
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...
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---
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name: trivial_fp_func
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body: |
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bb.0.entry:
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liveins: %lr, %fp, %lr, %fp
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%sp = frame-setup STPXpre killed %fp, killed %lr, %sp, -2
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%fp = frame-setup ADDXri %sp, 0, 0
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BL @foo, csr_aarch64_aapcs, implicit-def dead %lr, implicit %sp, implicit-def %sp
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; CHECK: %sp, %fp, %lr = LDPXpost %sp, 2
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%sp, %fp, %lr = LDPXpost %sp, 2
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RET_ReallyLR
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...
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