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llvm-mirror/test/CodeGen/X86/2012-08-07-CmpISelBug.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

37 lines
1.1 KiB
LLVM

; RUN: llc < %s -mtriple=x86_64-apple-macosx | FileCheck %s
; Cmp lowering should not look past the truncate unless the high bits are known
; zero.
; rdar://12027825
define void @foo(i8 %arg4, i32 %arg5, i32* %arg14) nounwind {
bb:
; CHECK-LABEL: foo:
; CHECK-NOT: testl
; CHECK: testb
%tmp48 = zext i8 %arg4 to i32
%tmp49 = and i32 %tmp48, 32
%tmp50 = add i32 %tmp49, 1593371643
%tmp55 = sub i32 %tmp50, 0
%tmp56 = add i32 %tmp55, 7787538
%tmp57 = xor i32 %tmp56, 1601159181
%tmp58 = xor i32 %arg5, 1601159181
%tmp59 = and i32 %tmp57, %tmp58
%tmp60 = add i32 %tmp59, -1263900958
%tmp67 = sub i32 %tmp60, 0
%tmp103 = xor i32 %tmp56, 13
%tmp104 = trunc i32 %tmp103 to i8
%tmp105 = sub i8 0, %tmp104
%tmp106 = add i8 %tmp105, -103
%tmp113 = sub i8 %tmp106, 0
%tmp114 = add i8 %tmp113, -72
%tmp141 = icmp ne i32 %tmp67, -1263900958
%tmp142 = select i1 %tmp141, i8 %tmp114, i8 undef
%tmp143 = xor i8 %tmp142, 81
%tmp144 = zext i8 %tmp143 to i32
%tmp145 = add i32 %tmp144, 2062143348
%tmp152 = sub i32 %tmp145, 0
store i32 %tmp152, i32* %arg14
ret void
}