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llvm-mirror/test/CodeGen/Thumb2/thumb2-rev.ll
Stephen Lin 7e501cf4c3 Mass update to CodeGen tests to use CHECK-LABEL for labels corresponding to function definitions for more informative error messages. No functionality change and all updated tests passed locally.
This update was done with the following bash script:

  find test/CodeGen -name "*.ll" | \
  while read NAME; do
    echo "$NAME"
    if ! grep -q "^; *RUN: *llc.*debug" $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
      sed -i '' "s/;\(.*\)-LABEL-LABEL:/;\1-LABEL:/" $TEMP
      sed -i '' "s/;\(.*\)-NEXT-LABEL:/;\1-NEXT:/" $TEMP
      sed -i '' "s/;\(.*\)-NOT-LABEL:/;\1-NOT:/" $TEMP
      sed -i '' "s/;\(.*\)-DAG-LABEL:/;\1-DAG:/" $TEMP
      mv $TEMP $NAME
    fi
  done

llvm-svn: 186280
2013-07-14 06:24:09 +00:00

24 lines
627 B
LLVM

; RUN: llc < %s -march=thumb -mattr=+thumb2,+v7,+t2xtpk | FileCheck %s
define i32 @f1(i32 %a) {
; CHECK-LABEL: f1:
; CHECK: rev r0, r0
%tmp = tail call i32 @llvm.bswap.i32(i32 %a)
ret i32 %tmp
}
declare i32 @llvm.bswap.i32(i32) nounwind readnone
define i32 @f2(i32 %X) {
; CHECK-LABEL: f2:
; CHECK: revsh r0, r0
%tmp1 = lshr i32 %X, 8
%tmp1.upgrd.1 = trunc i32 %tmp1 to i16
%tmp3 = trunc i32 %X to i16
%tmp2 = and i16 %tmp1.upgrd.1, 255
%tmp4 = shl i16 %tmp3, 8
%tmp5 = or i16 %tmp2, %tmp4
%tmp5.upgrd.2 = sext i16 %tmp5 to i32
ret i32 %tmp5.upgrd.2
}