mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-16 11:30:51 +00:00
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
63 lines
1.3 KiB
LLVM
63 lines
1.3 KiB
LLVM
; RUN: opt < %s -instsimplify -S | FileCheck %s
|
|
|
|
define i32 @factorize(i32 %x, i32 %y) {
|
|
; CHECK-LABEL: @factorize(
|
|
; (X | 1) & (X | 2) -> X | (1 & 2) -> X
|
|
%l = or i32 %x, 1
|
|
%r = or i32 %x, 2
|
|
%z = and i32 %l, %r
|
|
ret i32 %z
|
|
; CHECK: ret i32 %x
|
|
}
|
|
|
|
define i32 @factorize2(i32 %x) {
|
|
; CHECK-LABEL: @factorize2(
|
|
; 3*X - 2*X -> X
|
|
%l = mul i32 3, %x
|
|
%r = mul i32 2, %x
|
|
%z = sub i32 %l, %r
|
|
ret i32 %z
|
|
; CHECK: ret i32 %x
|
|
}
|
|
|
|
define i32 @factorize3(i32 %x, i32 %a, i32 %b) {
|
|
; CHECK-LABEL: @factorize3(
|
|
; (X | (A|B)) & (X | B) -> X | ((A|B) & B) -> X | B
|
|
%aORb = or i32 %a, %b
|
|
%l = or i32 %x, %aORb
|
|
%r = or i32 %x, %b
|
|
%z = and i32 %l, %r
|
|
ret i32 %z
|
|
; CHECK: ret i32 %r
|
|
}
|
|
|
|
define i32 @factorize4(i32 %x, i32 %y) {
|
|
; CHECK-LABEL: @factorize4(
|
|
%sh = shl i32 %y, 1
|
|
%ml = mul i32 %sh, %x
|
|
%mr = mul i32 %x, %y
|
|
%s = sub i32 %ml, %mr
|
|
ret i32 %s
|
|
; CHECK: ret i32 %mr
|
|
}
|
|
|
|
define i32 @factorize5(i32 %x, i32 %y) {
|
|
; CHECK-LABEL: @factorize5(
|
|
%sh = mul i32 %y, 2
|
|
%ml = mul i32 %sh, %x
|
|
%mr = mul i32 %x, %y
|
|
%s = sub i32 %ml, %mr
|
|
ret i32 %s
|
|
; CHECK: ret i32 %mr
|
|
}
|
|
|
|
define i32 @expand(i32 %x) {
|
|
; CHECK-LABEL: @expand(
|
|
; ((X & 1) | 2) & 1 -> ((X & 1) & 1) | (2 & 1) -> (X & 1) | 0 -> X & 1
|
|
%a = and i32 %x, 1
|
|
%b = or i32 %a, 2
|
|
%c = and i32 %b, 1
|
|
ret i32 %c
|
|
; CHECK: ret i32 %a
|
|
}
|