1*9880d681SAndroid Build Coastguard Worker; RUN: opt -loop-reduce -S < %s | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker; 3*9880d681SAndroid Build Coastguard Worker; Test SCEVExpander reusing a phi->gep->phi IV when SCEV "wrongly" 4*9880d681SAndroid Build Coastguard Worker; reports the expression as an IntegerTy. 5*9880d681SAndroid Build Coastguard Worker 6*9880d681SAndroid Build Coastguard Workertarget triple = "x86_64-apple-darwin" 7*9880d681SAndroid Build Coastguard Worker 8*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @test( 9*9880d681SAndroid Build Coastguard Worker; CHECK: phi 10*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: phi 11*9880d681SAndroid Build Coastguard Workerdefine void @test(i32 %rowStride) ssp align 2 { 12*9880d681SAndroid Build Coastguard Workerentry: 13*9880d681SAndroid Build Coastguard Worker %cond = select i1 undef, i32 %rowStride, i32 4 14*9880d681SAndroid Build Coastguard Worker br label %for.end 15*9880d681SAndroid Build Coastguard Worker 16*9880d681SAndroid Build Coastguard Workerfor.end.critedge: ; preds = %for.end 17*9880d681SAndroid Build Coastguard Worker br label %for.end 18*9880d681SAndroid Build Coastguard Worker 19*9880d681SAndroid Build Coastguard Workerfor.end: ; preds = %for.end.critedge, %entry 20*9880d681SAndroid Build Coastguard Worker br i1 undef, label %for.body83, label %for.end.critedge 21*9880d681SAndroid Build Coastguard Worker 22*9880d681SAndroid Build Coastguard Workerfor.body83: ; preds = %for.body83, %for.end 23*9880d681SAndroid Build Coastguard Worker %ptr.0157 = phi i8* [ %add.ptr96, %for.body83 ], [ null, %for.end ] 24*9880d681SAndroid Build Coastguard Worker store i8 undef, i8* %ptr.0157, align 1 25*9880d681SAndroid Build Coastguard Worker %add.ptr96 = getelementptr inbounds i8, i8* %ptr.0157, i32 %cond 26*9880d681SAndroid Build Coastguard Worker br label %for.body83 27*9880d681SAndroid Build Coastguard Worker} 28