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f6b2bc4c9a
This makes the code match the comments. Resolves a crash in loop idiom (PR14219). llvm-svn: 167110
26 lines
943 B
LLVM
26 lines
943 B
LLVM
; RUN: opt -basicaa -loop-idiom -S < %s
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.8.0"
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; Don't crash inside DependenceAnalysis
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; PR14219
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define void @test1(i64* %iwork, i64 %x) {
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bb0:
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%mul116 = mul nsw i64 %x, %x
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%incdec.ptr6.sum175 = add i64 42, %x
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%arrayidx135 = getelementptr inbounds i64* %iwork, i64 %incdec.ptr6.sum175
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br label %bb1
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bb1:
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%storemerge4226 = phi i64 [ 0, %bb0 ], [ %inc139, %bb1 ]
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store i64 1, i64* %arrayidx135, align 8
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%incdec.ptr6.sum176 = add i64 %mul116, %storemerge4226
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%arrayidx137 = getelementptr inbounds i64* %iwork, i64 %incdec.ptr6.sum176
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store i64 1, i64* %arrayidx137, align 8
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%inc139 = add nsw i64 %storemerge4226, 1
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%cmp131 = icmp sgt i64 %storemerge4226, 42
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br i1 %cmp131, label %bb2, label %bb1
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bb2:
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ret void
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}
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