; RUN: opt %loadPolly -polly-detect -analyze < %s | FileCheck %s target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" ; CHECK: Valid Region for Scop: bb14 => bb17 ; Make sure we do not detect the larger region bb14->bb19 that contains ; a multi-dimensional memory access with a size of 'undef * undef'. define void @hoge(i8* %arg) { bb: br label %bb6 bb6: ; preds = %bb %tmp = mul i64 undef, undef %tmp7 = add i64 %tmp, undef %tmp8 = add i64 %tmp7, 0 %tmp9 = add i64 %tmp8, 8 %tmp10 = sub i64 %tmp9, undef %tmp11 = getelementptr i8, i8* %arg, i64 %tmp10 %tmp12 = getelementptr inbounds i8, i8* %tmp11, i64 4 %tmp13 = getelementptr inbounds i8, i8* %tmp12, i64 20 br label %bb14 bb14: ; preds = %bb14, %bb6 %tmp15 = phi i32 [ %tmp16, %bb14 ], [ 2, %bb6 ] %tmp16 = add nuw nsw i32 %tmp15, 1 br i1 false, label %bb14, label %bb17 bb17: ; preds = %bb14 %tmp18 = bitcast i8* %tmp13 to i32* store i32 undef, i32* %tmp18, align 4 br label %bb19 bb19: ; preds = %bb17 unreachable }