maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity
llvm-project/llvm/test/Transforms/InstCombine/and-xor-or.ll

25 lines
524 B
LLVM
Raw Normal View History

Add instcombine patterns for the following transformations: (x & y) | (x ^ y) -> x | y (x & y) + (x ^ y) -> x | y Patch by Manman Ren. rdar://10770603 llvm-svn: 155674
2012-04-27 07:29:14 +08:00
; RUN: opt < %s -instcombine -S | FileCheck %s
; rdar://10770603
; (x & y) | (x ^ y) -> x | y
define i64 @or(i64 %x, i64 %y) nounwind uwtable readnone ssp {
%1 = and i64 %y, %x
%2 = xor i64 %y, %x
%3 = add i64 %1, %2
ret i64 %3
Update Transforms tests to use CHECK-LABEL for easier debugging. No functionality change. 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 $NAME fi done llvm-svn: 186268
2013-07-14 09:42:54 +08:00
; CHECK-LABEL: @or(
Add instcombine patterns for the following transformations: (x & y) | (x ^ y) -> x | y (x & y) + (x ^ y) -> x | y Patch by Manman Ren. rdar://10770603 llvm-svn: 155674
2012-04-27 07:29:14 +08:00
; CHECK: or i64
; CHECK-NEXT: ret
}
; (x & y) + (x ^ y) -> x | y
define i64 @or2(i64 %x, i64 %y) nounwind uwtable readnone ssp {
%1 = and i64 %y, %x
%2 = xor i64 %y, %x
%3 = or i64 %1, %2
ret i64 %3
Update Transforms tests to use CHECK-LABEL for easier debugging. No functionality change. This update was done with the following bash script: find test/Transforms -name "*.ll" | \ while read NAME; do echo "$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 llvm-svn: 186268
2013-07-14 09:42:54 +08:00
; CHECK-LABEL: @or2(
Add instcombine patterns for the following transformations: (x & y) | (x ^ y) -> x | y (x & y) + (x ^ y) -> x | y Patch by Manman Ren. rdar://10770603 llvm-svn: 155674
2012-04-27 07:29:14 +08:00
; CHECK: or i64
; CHECK-NEXT: ret
}