| ; RUN: opt -loop-reduce -S < %s | FileCheck %s |
| ; |
| ; Test SCEVExpander reusing a phi->gep->phi IV when SCEV "wrongly" |
| ; reports the expression as an IntegerTy. |
| |
| target triple = "x86_64-apple-darwin" |
| |
| ; CHECK-LABEL: @test( |
| ; CHECK: phi |
| ; CHECK-NOT: phi |
| define void @test(i32 %rowStride) ssp align 2 { |
| entry: |
| %cond = select i1 undef, i32 %rowStride, i32 4 |
| br label %for.end |
| |
| for.end.critedge: ; preds = %for.end |
| br label %for.end |
| |
| for.end: ; preds = %for.end.critedge, %entry |
| br i1 undef, label %for.body83, label %for.end.critedge |
| |
| for.body83: ; preds = %for.body83, %for.end |
| %ptr.0157 = phi i8* [ %add.ptr96, %for.body83 ], [ null, %for.end ] |
| store i8 undef, i8* %ptr.0157, align 1 |
| %add.ptr96 = getelementptr inbounds i8, i8* %ptr.0157, i32 %cond |
| br label %for.body83 |
| } |