| ; RUN: opt -mtriple amdgcn-unknown-amdhsa -analyze -divergence -use-gpu-divergence-analysis %s | FileCheck %s |
| |
| define amdgpu_kernel void @workitem_id_x() #1 { |
| %id.x = call i32 @llvm.amdgcn.workitem.id.x() |
| ; CHECK: DIVERGENT: %id.x = call i32 @llvm.amdgcn.workitem.id.x() |
| %first.lane = call i32 @llvm.amdgcn.readfirstlane(i32 %id.x) |
| ; CHECK-NOT: DIVERGENT: %first.lane = call i32 @llvm.amdgcn.readfirstlane(i32 %id.x) |
| ret void |
| } |
| |
| declare i32 @llvm.amdgcn.workitem.id.x() #0 |
| declare i32 @llvm.amdgcn.readfirstlane(i32) #0 |
| |
| attributes #0 = { nounwind readnone } |
