| ; RUN: llc -march=amdgcn -O0 -o - %s | FileCheck %s |
| |
| ; CHECK-LABEL: non_uniform_loop |
| ; CHECK: s_endpgm |
| define amdgpu_kernel void @non_uniform_loop(float addrspace(1)* %array) { |
| entry: |
| %w = tail call i32 @llvm.amdgcn.workitem.id.x() |
| br label %for.cond |
| |
| for.cond: |
| %i = phi i32 [0, %entry], [%i.next, %for.inc] |
| %cmp = icmp ult i32 %i, %w |
| br i1 %cmp, label %for.body, label %for.end |
| |
| for.body: |
| br label %for.inc |
| |
| for.inc: |
| %i.next = add i32 %i, 1 |
| br label %for.cond |
| |
| for.end: |
| ret void |
| } |
| |
| declare i32 @llvm.amdgcn.workitem.id.x() |
