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26 lines
555 B
26 lines
555 B
; RUN: opt < %s -loop-rotate -S | FileCheck %s
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; RUN: opt < %s -loop-rotate -enable-mssa-loop-dependency=true -verify-memoryssa -S | FileCheck %s
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@a = external global i8, align 4
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@tmp = global i8* @a
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define void @f() {
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; CHECK-LABEL: define void @f(
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; CHECK: getelementptr i8, i8* @a, i32 0
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entry:
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br label %for.preheader
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for.preheader:
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br i1 undef, label %if.then8, label %for.body
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for.body:
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br i1 undef, label %if.end, label %if.then8
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if.end:
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%arrayidx = getelementptr i8, i8* @a, i32 0
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br label %for.preheader
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if.then8:
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unreachable
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}
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