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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
46 lines
1.2 KiB
YAML
46 lines
1.2 KiB
YAML
# RUN: llc -mtriple=powerpc64-unknown-linux-gnu -start-after machine-combiner -stop-after machine-combiner -o /dev/null %s 2>&1 | FileCheck %s
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# PR24724
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--- |
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define signext i32 @main(i32* %p) #0 {
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entry:
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%0 = load i32, i32* %p, align 4
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%or = or i32 0, %0
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store i32 %or, i32* %p, align 4
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%lnot.1 = icmp eq i32 undef, 0
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%lnot.ext.1 = zext i1 %lnot.1 to i32
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%shr.i.1 = lshr i32 2072, %lnot.ext.1
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%call.lobit.1 = lshr i32 %shr.i.1, 7
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%1 = and i32 %call.lobit.1, 1
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%or.1 = or i32 %1, %or
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ret i32 %or.1
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}
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attributes #0 = { nounwind "target-cpu"="ppc64" }
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...
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---
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name: main
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isSSA: true
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tracksRegLiveness: true
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registers:
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- { id: 0, class: g8rc_and_g8rc_nox0 }
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- { id: 1, class: gprc }
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- { id: 2, class: gprc }
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- { id: 3, class: gprc }
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- { id: 4, class: g8rc }
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liveins:
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- { reg: '%x3', virtual-reg: '%0' }
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body: |
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bb.0.entry:
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liveins: %x3
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%0 = COPY %x3
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%1 = LWZ 0, %0 :: (load 4 from %ir.p)
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%2 = LI 0
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%3 = RLWIMI %2, killed %1, 0, 0, 31
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%4 = EXTSW_32_64 killed %3
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%x3 = COPY %4
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; CHECK: BLR8 implicit %lr8, implicit %rm, implicit %x3
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BLR8 implicit %lr8, implicit %rm, implicit %x3
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...
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