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llvm-6502/test/Transforms/LoopStrengthReduce/2011-10-14-IntPtr.ll

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Fix SCEVExpander assert during LSR: "argument of incompatible type". Just because we're dealing with a GEP doesn't mean we can assert the SCEV has a pointer type. The fix is simply to ignore the SCEV pointer type, which we really didn't need. Fixes PR11138 webkit crash. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142058 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-15 06:19:55 +00:00
; RUN: opt -loop-reduce -S < %s | FileCheck %s
;
; Test SCEVExpander reusing a phi->gep->phi IV when SCEV "wrongly"
; reports the expression as an IntegerTy.
target triple = "x86_64-apple-darwin"
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 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186268 91177308-0d34-0410-b5e6-96231b3b80d8
2013-07-14 01:42:54 +00:00
; CHECK-LABEL: @test(
Fix SCEVExpander assert during LSR: "argument of incompatible type". Just because we're dealing with a GEP doesn't mean we can assert the SCEV has a pointer type. The fix is simply to ignore the SCEV pointer type, which we really didn't need. Fixes PR11138 webkit crash. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142058 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-15 06:19:55 +00:00
; CHECK: phi
; CHECK-NOT: phi
define void @test(i32 %rowStride) ssp align 2 {
entry:
%cond = select i1 undef, i32 %rowStride, i32 4
br label %for.end
for.end.critedge: ; preds = %for.end
br label %for.end
for.end: ; preds = %for.end.critedge, %entry
br i1 undef, label %for.body83, label %for.end.critedge
for.body83: ; preds = %for.body83, %for.end
%ptr.0157 = phi i8* [ %add.ptr96, %for.body83 ], [ null, %for.end ]
store i8 undef, i8* %ptr.0157, align 1
%add.ptr96 = getelementptr inbounds i8* %ptr.0157, i32 %cond
br label %for.body83
}
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