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llvm-mirror/test/Transforms/CorrelatedValuePropagation/2010-09-02-Trunc.ll
Stephen Lin cf082ae903 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 01:42:54 +00:00

26 lines
459 B
LLVM

; RUN: opt -S < %s -correlated-propagation | FileCheck %s
; CHECK-LABEL: @test(
define i16 @test(i32 %a, i1 %b) {
entry:
%c = icmp eq i32 %a, 0
br i1 %c, label %left, label %right
right:
%d = trunc i32 %a to i1
br label %merge
left:
br i1 %b, label %merge, label %other
other:
ret i16 23
merge:
%f = phi i1 [%b, %left], [%d, %right]
; CHECK: select i1 %f, i16 1, i16 0
%h = select i1 %f, i16 1, i16 0
; CHECK: ret i16 %h
ret i16 %h
}