diff options
Diffstat (limited to 'llvm/test/CodeGen')
| -rw-r--r-- | llvm/test/CodeGen/AMDGPU/insert-skips-kill-uncond.mir | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/AMDGPU/insert-skips-kill-uncond.mir b/llvm/test/CodeGen/AMDGPU/insert-skips-kill-uncond.mir new file mode 100644 index 00000000000..bd5f296affb --- /dev/null +++ b/llvm/test/CodeGen/AMDGPU/insert-skips-kill-uncond.mir @@ -0,0 +1,40 @@ +# RUN: llc -march=amdgcn -mcpu=polaris10 -run-pass si-insert-skips -amdgpu-skip-threshold=1 %s -o - | FileCheck %s +# https://bugs.freedesktop.org/show_bug.cgi?id=99019 +--- | + define amdgpu_ps void @kill_uncond_branch() { + ret void + } +... +--- + +# CHECK-LABEL: name: kill_uncond_branch + +# CHECK: bb.0: +# CHECK: S_CBRANCH_VCCNZ %bb.1, implicit %vcc + +# CHECK: bb.1: +# CHECK: V_CMPX_LE_F32_e32 +# CHECK-NEXT: S_CBRANCH_EXECNZ %bb.2, implicit %exec + +# CHECK: bb.3: +# CHECK-NEXT: EXP_DONE +# CHECK: S_ENDPGM + +# CHECK: bb.2: +# CHECK: S_ENDPGM + +name: kill_uncond_branch + +body: | + bb.0: + successors: %bb.1 + S_CBRANCH_VCCNZ %bb.1, implicit %vcc + + bb.1: + successors: %bb.2 + %vgpr0 = V_MOV_B32_e32 0, implicit %exec + SI_KILL_TERMINATOR %vgpr0, implicit-def %exec, implicit-def %vcc, implicit %exec + S_BRANCH %bb.2 + + bb.2: + S_ENDPGM |
