| Nicolai Haehnle | ffbd56a | 2016-05-05 17:36:36 +0000 | [diff] [blame] | 1 | ; RUN: llc -march=amdgcn -mcpu=verde -verify-machineinstrs < %s | FileCheck %s |
| 2 | ; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck %s |
| 3 | |
| 4 | ; This used to raise an assertion due to how the choice between uniform and |
| 5 | ; non-uniform branches was determined. |
| 6 | ; |
| 7 | ; CHECK-LABEL: {{^}}main: |
| 8 | ; CHECK: s_cbranch_vccnz |
| 9 | define amdgpu_ps float @main(<4 x i32> inreg %rsrc) { |
| 10 | main_body: |
| 11 | %v = call float @llvm.amdgcn.buffer.load.f32(<4 x i32> %rsrc, i32 0, i32 0, i1 true, i1 false) |
| 12 | %cc = fcmp une float %v, 1.000000e+00 |
| 13 | br i1 %cc, label %if, label %else |
| 14 | |
| 15 | if: |
| 16 | %u = fadd float %v, %v |
| Matt Arsenault | 9f5e0ef | 2017-01-25 04:25:02 +0000 | [diff] [blame] | 17 | call void asm sideeffect "", ""() #0 ; Prevent ifconversion |
| Nicolai Haehnle | ffbd56a | 2016-05-05 17:36:36 +0000 | [diff] [blame] | 18 | br label %else |
| 19 | |
| 20 | else: |
| 21 | %r = phi float [ %v, %main_body ], [ %u, %if ] |
| 22 | ret float %r |
| 23 | } |
| 24 | |
| 25 | ; Function Attrs: nounwind readonly |
| 26 | declare float @llvm.amdgcn.buffer.load.f32(<4 x i32>, i32, i32, i1, i1) #0 |
| 27 | |
| 28 | attributes #0 = { nounwind readonly } |