llvm-project

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; RUN: opt %loadNPMPolly '-passes=print<polly-detect>' -disable-output < %s 2>&1 | FileCheck %s
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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; CHECK: Valid Region for Scop: bb14 => bb17
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; Make sure we do not detect the larger region bb14->bb19 that contains
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; a multi-dimensional memory access with a size of 'undef * undef'.
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define void @hoge(ptr %arg) {
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bb:
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  br label %bb6
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bb6:                                              ; preds = %bb
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  %tmp = mul i64 undef, undef
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  %tmp7 = add i64 %tmp, undef
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  %tmp8 = add i64 %tmp7, 0
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  %tmp9 = add i64 %tmp8, 8
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  %tmp10 = sub i64 %tmp9, undef
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  %tmp11 = getelementptr i8, ptr %arg, i64 %tmp10
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  %tmp12 = getelementptr inbounds i8, ptr %tmp11, i64 4
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  %tmp13 = getelementptr inbounds i8, ptr %tmp12, i64 20
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  br label %bb14
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bb14:                                             ; preds = %bb14, %bb6
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  %tmp15 = phi i32 [ %tmp16, %bb14 ], [ 2, %bb6 ]
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  %tmp16 = add nuw nsw i32 %tmp15, 1
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  br i1 false, label %bb14, label %bb17
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bb17:                                             ; preds = %bb14
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  store i32 undef, ptr %tmp13, align 4
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  br label %bb19
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bb19:                                             ; preds = %bb17
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  unreachable
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}
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