diff options
Diffstat (limited to 'llvm/test/CodeGen/AMDGPU/skip-if-dead.ll')
| -rw-r--r-- | llvm/test/CodeGen/AMDGPU/skip-if-dead.ll | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/AMDGPU/skip-if-dead.ll b/llvm/test/CodeGen/AMDGPU/skip-if-dead.ll index a1ffba545a4..10187f6125d 100644 --- a/llvm/test/CodeGen/AMDGPU/skip-if-dead.ll +++ b/llvm/test/CodeGen/AMDGPU/skip-if-dead.ll @@ -336,6 +336,55 @@ bb7: ; preds = %bb4 ret void } +; CHECK-LABEL: {{^}}if_after_kill_block: +; CHECK: ; BB#0: +; CHECK: s_and_saveexec_b64 +; CHECK: s_xor_b64 +; CHECK-NEXT: mask branch [[BB4:BB[0-9]+_[0-9]+]] + +; CHECK: v_cmpx_le_f32_e32 vcc, 0, +; CHECK: [[BB4]]: +; CHECK: s_or_b64 exec, exec +; CHECK: image_sample_c + +; CHECK: v_cmp_neq_f32_e32 vcc, 0, +; CHECK: s_and_b64 exec, exec, +; CHECK: s_and_saveexec_b64 s{{\[[0-9]+:[0-9]+\]}}, vcc +; CHECK: s_xor_b64 s{{\[[0-9]+:[0-9]+\]}}, exec +; CHECK: mask branch [[END:BB[0-9]+_[0-9]+]] +; CHECK-NOT: branch + +; CHECK: ; BB#3: ; %bb8 +; CHECK: buffer_store_dword + +; CHECK: [[END]]: +; CHECK: s_or_b64 exec, exec +; CHECK: s_endpgm +define amdgpu_ps void @if_after_kill_block(float %arg, float %arg1, <4 x i32> %arg2) #0 { +bb: + %tmp = fcmp ult float %arg1, 0.000000e+00 + br i1 %tmp, label %bb3, label %bb4 + +bb3: ; preds = %bb + call void @llvm.AMDGPU.kill(float %arg) + br label %bb4 + +bb4: ; preds = %bb3, %bb + %tmp5 = call <4 x float> @llvm.SI.image.sample.c.v4i32(<4 x i32> %arg2, <8 x i32> undef, <4 x i32> undef, i32 15, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0) + %tmp6 = extractelement <4 x float> %tmp5, i32 0 + %tmp7 = fcmp une float %tmp6, 0.000000e+00 + br i1 %tmp7, label %bb8, label %bb9 + +bb8: ; preds = %bb9, %bb4 + store volatile i32 9, i32 addrspace(1)* undef + ret void + +bb9: ; preds = %bb4 + ret void +} + declare void @llvm.AMDGPU.kill(float) #0 +declare <4 x float> @llvm.SI.image.sample.c.v4i32(<4 x i32>, <8 x i32>, <4 x i32>, i32, i32, i32, i32, i32, i32, i32, i32) #1 attributes #0 = { nounwind } +attributes #1 = { nounwind readnone }
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