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 6 target triple = "x86_64-apple-darwin" 7 8 ; CHECK-LABEL: @test( 9 ; CHECK: phi 10 ; CHECK-NOT: phi 11 define void @test(i32 %rowStride) ssp align 2 { 12 entry: 13 %cond = select i1 undef, i32 %rowStride, i32 4 14 br label %for.end 15 16 for.end.critedge: ; preds = %for.end 17 br label %for.end 18 19 for.end: ; preds = %for.end.critedge, %entry 20 br i1 undef, label %for.body83, label %for.end.critedge 21 22 for.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, i8* %ptr.0157, i32 %cond 26 br label %for.body83 27 } 28
