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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
45 lines
814 B
LLVM
45 lines
814 B
LLVM
; RUN: opt < %s -instsimplify -S | FileCheck %s
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; PR8862
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; CHECK-LABEL: @shift1(
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; CHECK: ret i32 %A
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define i32 @shift1(i32 %A, i32 %B) {
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%C = lshr exact i32 %A, %B
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%D = shl nuw i32 %C, %B
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ret i32 %D
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}
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; CHECK-LABEL: @shift2(
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; CHECK: lshr
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; CHECK: ret i32 %D
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define i32 @shift2(i32 %A, i32 %B) {
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%C = lshr i32 %A, %B
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%D = shl nuw i32 %C, %B
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ret i32 %D
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}
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; CHECK-LABEL: @shift3(
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; CHECK: ret i32 %A
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define i32 @shift3(i32 %A, i32 %B) {
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%C = ashr exact i32 %A, %B
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%D = shl nuw i32 %C, %B
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ret i32 %D
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}
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; CHECK-LABEL: @shift4(
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; CHECK: ret i32 %A
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define i32 @shift4(i32 %A, i32 %B) {
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%C = shl nuw i32 %A, %B
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%D = lshr i32 %C, %B
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ret i32 %D
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}
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; CHECK-LABEL: @shift5(
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; CHECK: ret i32 %A
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define i32 @shift5(i32 %A, i32 %B) {
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%C = shl nsw i32 %A, %B
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%D = ashr i32 %C, %B
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ret i32 %D
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}
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