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llvm-mirror/test/Transforms/InstCombine/2012-3-15-or-xor-constant.ll
Stephen Lin f20746afd1 Catch more CHECK that can be converted to CHECK-LABEL in Transforms for easier debugging. No functionality change.
This conversion 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/;\(.*\)\([A-Za-z0-9_]*\):\( *\)define\([^@]*\)@$FUNC\([( ]*\)\$/;\1\2-LABEL:\3define\4@$FUNC(/g" $TEMP
      done
      mv $TEMP $NAME
    fi
  done

llvm-svn: 186269
2013-07-14 01:50:49 +00:00

13 lines
360 B
LLVM

; RUN: opt < %s -instcombine -S | FileCheck %s
; PR12234
@g = extern_weak global i32
define i32 @function(i32 %x) nounwind {
entry:
%xor = xor i32 %x, 1
store volatile i32 %xor, i32* inttoptr (i64 1 to i32*), align 4
%or4 = or i32 or (i32 zext (i1 icmp eq (i32* @g, i32* null) to i32), i32 1), %xor
ret i32 %or4
}
; CHECK-LABEL: define i32 @function(