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llvm-mirror/test/Transforms/ScalarRepl/2010-01-18-SelfCopy.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

19 lines
621 B
LLVM

; RUN: opt < %s -scalarrepl -S | FileCheck %s
; Radar 7552893
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128-n8:16:32"
%struct.test = type { [3 x double] }
define void @test_memcpy_self() nounwind {
; CHECK-LABEL: @test_memcpy_self(
; CHECK-NOT: alloca
; CHECK: ret void
%1 = alloca %struct.test
%2 = bitcast %struct.test* %1 to i8*
call void @llvm.memcpy.p0i8.p0i8.i32(i8* %2, i8* %2, i32 24, i32 4, i1 false)
ret void
}
declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, i1) nounwind