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llvm-mirror/test/Transforms/LoopStrengthReduce/2013-01-05-IndBr.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

45 lines
1.4 KiB
LLVM

; RUN: opt -loop-reduce -S < %s | FileCheck %s
;
; Indirect branch in the preheader crashes replaceCongruentIVs.
; rdar://12910141
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-S128"
; CHECK-LABEL: @test(
; CHECK: bb8:
; CHECK-NEXT: phi i8
; CHECK-NEXT: phi i8
; CHECK: ret void
define void @test() nounwind ssp {
bb:
br label %bb190
bb8: ; preds = %bb190, %bb11
%tmp = phi i8 [ %tmp14, %bb11 ], [ 25, %bb190 ]
%tmp9 = phi i8 [ %tmp12, %bb11 ], [ 25, %bb190 ]
%tmp10 = add i8 %tmp, -5
indirectbr i8* undef, [label %bb11, label %bb15]
bb11: ; preds = %bb8
%tmp12 = add i8 %tmp9, 1
%tmp13 = add i8 %tmp9, -19
%tmp14 = add i8 %tmp, 1
indirectbr i8* undef, [label %bb8]
bb15: ; preds = %bb8
indirectbr i8* undef, [label %bb16]
bb16: ; preds = %bb16, %bb15
indirectbr i8* undef, [label %bb37, label %bb190]
bb37: ; preds = %bb190
indirectbr i8* undef, [label %bb38]
bb38: ; preds = %bb37, %bb5
ret void
bb190: ; preds = %bb189, %bb187
indirectbr i8* undef, [label %bb37, label %bb8]
}