1*9880d681SAndroid Build Coastguard Worker; RUN: opt -mtriple=amdgcn-- -analyze -divergence %s | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker 3*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: 'test1': 4*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: DIVERGENT: i32 %bound 5*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: DIVERGENT: %break = icmp sge i32 %counter, %bound 6*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: DIVERGENT: br i1 %break, label %footer, label %body 7*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: DIVERGENT: br i1 %break, label %end, label %header 8*9880d681SAndroid Build Coastguard Worker; Note: %counter is not divergent! 9*9880d681SAndroid Build Coastguard Workerdefine amdgpu_ps void @test1(i32 %bound) { 10*9880d681SAndroid Build Coastguard Workerentry: 11*9880d681SAndroid Build Coastguard Worker br label %header 12*9880d681SAndroid Build Coastguard Worker 13*9880d681SAndroid Build Coastguard Workerheader: 14*9880d681SAndroid Build Coastguard Worker %counter = phi i32 [ 0, %entry ], [ %counter.footer, %footer ] 15*9880d681SAndroid Build Coastguard Worker %break = icmp sge i32 %counter, %bound 16*9880d681SAndroid Build Coastguard Worker br i1 %break, label %footer, label %body 17*9880d681SAndroid Build Coastguard Worker 18*9880d681SAndroid Build Coastguard Workerbody: 19*9880d681SAndroid Build Coastguard Worker %counter.next = add i32 %counter, 1 20*9880d681SAndroid Build Coastguard Worker br label %footer 21*9880d681SAndroid Build Coastguard Worker 22*9880d681SAndroid Build Coastguard Workerfooter: 23*9880d681SAndroid Build Coastguard Worker %counter.footer = phi i32 [ %counter.next, %body ], [ undef, %header ] 24*9880d681SAndroid Build Coastguard Worker br i1 %break, label %end, label %header 25*9880d681SAndroid Build Coastguard Worker 26*9880d681SAndroid Build Coastguard Workerend: 27*9880d681SAndroid Build Coastguard Worker ret void 28*9880d681SAndroid Build Coastguard Worker} 29