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1; RUN: opt -loop-reduce -S < %s | FileCheck %s
2;
3; Test SCEVExpander reusing a phi->gep->phi IV when SCEV "wrongly"
4; reports the expression as an IntegerTy.
5
6target triple = "x86_64-apple-darwin"
7
8; CHECK-LABEL: @test(
9; CHECK: phi
10; CHECK-NOT: phi
11define void @test(i32 %rowStride) ssp align 2 {
12entry:
13  %cond = select i1 undef, i32 %rowStride, i32 4
14  br label %for.end
15
16for.end.critedge:                                 ; preds = %for.end
17  br label %for.end
18
19for.end:                                          ; preds = %for.end.critedge, %entry
20  br i1 undef, label %for.body83, label %for.end.critedge
21
22for.body83:                                       ; preds = %for.body83, %for.end
23  %ptr.0157 = phi i8* [ %add.ptr96, %for.body83 ], [ null, %for.end ]
24  store i8 undef, i8* %ptr.0157, align 1
25  %add.ptr96 = getelementptr inbounds i8* %ptr.0157, i32 %cond
26  br label %for.body83
27}
28