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https://github.com/c64scene-ar/llvm-6502.git
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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
23 lines
448 B
LLVM
23 lines
448 B
LLVM
; RUN: opt < %s -instsimplify -S | FileCheck %s
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define i64 @pow2(i32 %x) {
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; CHECK-LABEL: @pow2(
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%negx = sub i32 0, %x
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%x2 = and i32 %x, %negx
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%e = zext i32 %x2 to i64
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%nege = sub i64 0, %e
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%e2 = and i64 %e, %nege
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ret i64 %e2
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; CHECK: ret i64 %e
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}
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define i64 @pow2b(i32 %x) {
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; CHECK-LABEL: @pow2b(
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%sh = shl i32 2, %x
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%e = zext i32 %sh to i64
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%nege = sub i64 0, %e
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%e2 = and i64 %e, %nege
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ret i64 %e2
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; CHECK: ret i64 %e
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}
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