llvm-mirror/test/Transforms/GVN/commute.ll

; RUN: opt -gvn -S < %s | FileCheck %s

declare void @use(i32, i32)

define void @foo(i32 %x, i32 %y) {
  ; CHECK-LABEL: @foo(
  %add1 = add i32 %x, %y
  %add2 = add i32 %y, %x
  call void @use(i32 %add1, i32 %add2)
  ; CHECK: @use(i32 %add1, i32 %add1)
  ret void
}

declare void @vse(i1, i1)

define void @bar(i32 %x, i32 %y) {
  ; CHECK-LABEL: @bar(
  %cmp1 = icmp ult i32 %x, %y
  %cmp2 = icmp ugt i32 %y, %x
  call void @vse(i1 %cmp1, i1 %cmp2)
  ; CHECK: @vse(i1 %cmp1, i1 %cmp1)
  ret void
}
Teach GVN that x+y is the same as y+x and that x<y is the same as y>x. llvm-svn: 151365 2012-02-24 16:16:31 +01:00			`; RUN: opt -gvn -S < %s \| FileCheck %s`

			`declare void @use(i32, i32)`

			`define void @foo(i32 %x, i32 %y) {`
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 03:42:54 +02:00			`; CHECK-LABEL: @foo(`
Teach GVN that x+y is the same as y+x and that x<y is the same as y>x. llvm-svn: 151365 2012-02-24 16:16:31 +01:00			`%add1 = add i32 %x, %y`
			`%add2 = add i32 %y, %x`
			`call void @use(i32 %add1, i32 %add2)`
			`; CHECK: @use(i32 %add1, i32 %add1)`
			`ret void`
			`}`

			`declare void @vse(i1, i1)`

			`define void @bar(i32 %x, i32 %y) {`
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 03:42:54 +02:00			`; CHECK-LABEL: @bar(`
Teach GVN that x+y is the same as y+x and that x<y is the same as y>x. llvm-svn: 151365 2012-02-24 16:16:31 +01:00			`%cmp1 = icmp ult i32 %x, %y`
			`%cmp2 = icmp ugt i32 %y, %x`
			`call void @vse(i1 %cmp1, i1 %cmp2)`
			`; CHECK: @vse(i1 %cmp1, i1 %cmp1)`
			`ret void`
			`}`