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8b2b8a1835
This update was done with the following bash script:
find test/CodeGen -name "*.ll" | \
while read NAME; do
echo "$NAME"
if ! grep -q "^; *RUN: *llc.*debug" $NAME; then
TEMP=`mktemp -t temp`
cp $NAME $TEMP
sed -n "s/^define [^@]*@\([A-Za-z0-9_]*\)(.*$/\1/p" < $NAME | \
while read FUNC; do
sed -i '' "s/;\(.*\)\([A-Za-z0-9_-]*\):\( *\)$FUNC: *\$/;\1\2-LABEL:\3$FUNC:/g" $TEMP
done
sed -i '' "s/;\(.*\)-LABEL-LABEL:/;\1-LABEL:/" $TEMP
sed -i '' "s/;\(.*\)-NEXT-LABEL:/;\1-NEXT:/" $TEMP
sed -i '' "s/;\(.*\)-NOT-LABEL:/;\1-NOT:/" $TEMP
sed -i '' "s/;\(.*\)-DAG-LABEL:/;\1-DAG:/" $TEMP
mv $TEMP $NAME
fi
done
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186280 91177308-0d34-0410-b5e6-96231b3b80d8
37 lines
1.2 KiB
LLVM
37 lines
1.2 KiB
LLVM
; RUN: llc -mtriple=x86_64-apple-macosx -mcpu=nocona < %s | FileCheck %s
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; After tail duplication, two copies in an early exit BB can be cancelled out.
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; rdar://10640363
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define i32 @t1(i32 %a, i32 %b) nounwind {
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entry:
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; CHECK-LABEL: t1:
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; CHECK: je [[LABEL:.*BB.*]]
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%cmp1 = icmp eq i32 %b, 0
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br i1 %cmp1, label %while.end, label %while.body
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; CHECK: [[LABEL]]:
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; CHECK-NOT: mov
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; CHECK: ret
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while.body: ; preds = %entry, %while.body
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%a.addr.03 = phi i32 [ %b.addr.02, %while.body ], [ %a, %entry ]
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%b.addr.02 = phi i32 [ %rem, %while.body ], [ %b, %entry ]
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%rem = srem i32 %a.addr.03, %b.addr.02
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%cmp = icmp eq i32 %rem, 0
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br i1 %cmp, label %while.end, label %while.body
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while.end: ; preds = %while.body, %entry
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%a.addr.0.lcssa = phi i32 [ %a, %entry ], [ %b.addr.02, %while.body ]
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ret i32 %a.addr.0.lcssa
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}
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; Two movdqa (from phi-elimination) in the entry BB cancels out.
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; rdar://10428165
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define <8 x i16> @t2(<8 x i16> %T0, <8 x i16> %T1) nounwind readnone {
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entry:
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; CHECK-LABEL: t2:
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; CHECK-NOT: movdqa
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%tmp8 = shufflevector <8 x i16> %T0, <8 x i16> %T1, <8 x i32> < i32 undef, i32 undef, i32 7, i32 2, i32 8, i32 undef, i32 undef , i32 undef >
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ret <8 x i16> %tmp8
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}
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