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39f4e8d9cc
This update was done with the following bash script:
find test/Transforms -name "*.ll" | \
while read NAME; do
echo "$NAME"
if ! grep -q "^; *RUN: *llc" $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
mv $TEMP $NAME
fi
done
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186268 91177308-0d34-0410-b5e6-96231b3b80d8
48 lines
987 B
LLVM
48 lines
987 B
LLVM
; RUN: opt -instcombine -S < %s | FileCheck %s
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define i32 @test1(i32 %x) nounwind {
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%and = and i32 %x, 31
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%sub = sub i32 63, %and
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ret i32 %sub
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; CHECK-LABEL: @test1(
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; CHECK-NEXT: and i32 %x, 31
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; CHECK-NEXT: xor i32 %and, 63
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; CHECK-NEXT: ret
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}
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declare i32 @llvm.ctlz.i32(i32, i1) nounwind readnone
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define i32 @test2(i32 %x) nounwind {
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%count = tail call i32 @llvm.ctlz.i32(i32 %x, i1 true) nounwind readnone
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%sub = sub i32 31, %count
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ret i32 %sub
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; CHECK-LABEL: @test2(
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; CHECK-NEXT: ctlz
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; CHECK-NEXT: xor i32 %count, 31
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; CHECK-NEXT: ret
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}
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define i32 @test3(i32 %x) nounwind {
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%and = and i32 %x, 31
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%sub = xor i32 31, %and
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%add = add i32 %sub, 42
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ret i32 %add
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; CHECK-LABEL: @test3(
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; CHECK-NEXT: and i32 %x, 31
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; CHECK-NEXT: sub i32 73, %and
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; CHECK-NEXT: ret
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}
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define i32 @test4(i32 %x) nounwind {
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%sub = xor i32 %x, 2147483648
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%add = add i32 %sub, 42
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ret i32 %add
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; CHECK-LABEL: @test4(
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; CHECK-NEXT: add i32 %x, -2147483606
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; CHECK-NEXT: ret
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}
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