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llvm-mirror/test/CodeGen/ARM/2011-11-28-DAGCombineBug.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

39 lines
2.0 KiB
LLVM

; RUN: llc < %s -mtriple=thumbv7-apple-ios5.0.0 | FileCheck %s
; rdar://10464621
; DAG combine increases loads from packed types. ARM load / store optimizer then
; combined them into a ldm which causes runtime exception.
%struct.InformationBlock = type <{ i32, %struct.FlagBits, %struct.FlagBits }>
%struct.FlagBits = type <{ [4 x i32] }>
@infoBlock = external global %struct.InformationBlock
define hidden void @foo() {
; CHECK-LABEL: foo:
; CHECK: ldr.w
; CHECK: ldr.w
; CHECK-NOT: ldm
entry:
%tmp13 = load i32* getelementptr inbounds (%struct.InformationBlock* @infoBlock, i32 0, i32 1, i32 0, i32 0), align 1
%tmp15 = load i32* getelementptr inbounds (%struct.InformationBlock* @infoBlock, i32 0, i32 1, i32 0, i32 1), align 1
%tmp17 = load i32* getelementptr inbounds (%struct.InformationBlock* @infoBlock, i32 0, i32 1, i32 0, i32 2), align 1
%tmp19 = load i32* getelementptr inbounds (%struct.InformationBlock* @infoBlock, i32 0, i32 1, i32 0, i32 3), align 1
%tmp = load i32* getelementptr inbounds (%struct.InformationBlock* @infoBlock, i32 0, i32 2, i32 0, i32 0), align 1
%tmp3 = load i32* getelementptr inbounds (%struct.InformationBlock* @infoBlock, i32 0, i32 2, i32 0, i32 1), align 1
%tmp4 = load i32* getelementptr inbounds (%struct.InformationBlock* @infoBlock, i32 0, i32 2, i32 0, i32 2), align 1
%tmp5 = load i32* getelementptr inbounds (%struct.InformationBlock* @infoBlock, i32 0, i32 2, i32 0, i32 3), align 1
%insert21 = insertvalue [4 x i32] undef, i32 %tmp13, 0
%insert23 = insertvalue [4 x i32] %insert21, i32 %tmp15, 1
%insert25 = insertvalue [4 x i32] %insert23, i32 %tmp17, 2
%insert27 = insertvalue [4 x i32] %insert25, i32 %tmp19, 3
%insert = insertvalue [4 x i32] undef, i32 %tmp, 0
%insert7 = insertvalue [4 x i32] %insert, i32 %tmp3, 1
%insert9 = insertvalue [4 x i32] %insert7, i32 %tmp4, 2
%insert11 = insertvalue [4 x i32] %insert9, i32 %tmp5, 3
tail call void @bar([4 x i32] %insert27, [4 x i32] %insert11)
ret void
}
declare void @bar([4 x i32], [4 x i32])