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llvm-mirror/test/Transforms/Reassociate/optional-flags.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

30 lines
634 B
LLVM

; RUN: opt -S -reassociate < %s | FileCheck %s
; rdar://8944681
; Reassociate should clear optional flags like nsw when reassociating.
; CHECK-LABEL: @test0(
; CHECK: %y = add i64 %b, %a
; CHECK: %z = add i64 %y, %c
define i64 @test0(i64 %a, i64 %b, i64 %c) {
%y = add nsw i64 %c, %b
%z = add i64 %y, %a
ret i64 %z
}
; CHECK-LABEL: @test1(
; CHECK: %y = add i64 %b, %a
; CHECK: %z = add i64 %y, %c
define i64 @test1(i64 %a, i64 %b, i64 %c) {
%y = add i64 %c, %b
%z = add nsw i64 %y, %a
ret i64 %z
}
; PR9215
; CHECK: %s = add nsw i32 %y, %x
define i32 @test2(i32 %x, i32 %y) {
%s = add nsw i32 %x, %y
ret i32 %s
}