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8b94db17a4
An assert was triggered when attempting to create a new SCEV with operands of different types in the visitAddRecExpr. In this test case, the operand types of the numerator and denominator are different. The SCEV division code should generate a conservative answer when this happens. Differential Revision: http://reviews.llvm.org/D9021 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@235511 91177308-0d34-0410-b5e6-96231b3b80d8
30 lines
896 B
LLVM
30 lines
896 B
LLVM
; RUN: opt < %s -analyze -delinearize
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; REQUIRES: asserts
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; Test that SCEV divide code doesn't crash when attempting to create a SCEV
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; with operands of different types. In this case, the visitAddRecExpr
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; function tries to create an AddRec where the start and step are different
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; types.
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target datalayout = "e-m:e-p:32:32-i64:64-a:0-v32:32-n16:32"
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define fastcc void @test() {
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entry:
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%0 = load i16, i16* undef, align 2
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%conv21 = zext i16 %0 to i32
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br label %for.cond7.preheader
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for.cond7.preheader:
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%p1.022 = phi i8* [ undef, %entry ], [ %add.ptr, %for.end ]
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br label %for.body11
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for.body11:
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%arrayidx.phi = phi i8* [ %p1.022, %for.cond7.preheader ], [ undef, %for.body11 ]
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store i8 undef, i8* %arrayidx.phi, align 1
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br i1 undef, label %for.body11, label %for.end
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for.end:
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%add.ptr = getelementptr inbounds i8, i8* %p1.022, i32 %conv21
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br label %for.cond7.preheader
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}
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