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| author | Stanislav Mekhanoshin <Stanislav.Mekhanoshin@amd.com> | 2017-08-04 06:58:42 +0000 |
|---|---|---|
| committer | Stanislav Mekhanoshin <Stanislav.Mekhanoshin@amd.com> | 2017-08-04 06:58:42 +0000 |
| commit | 6c7a8d0b5f971fde03d98de53adc1db48120523e (patch) | |
| tree | 12a167eb3b299a74cb9ca776f22b541832a64ea8 /llvm/test/CodeGen/AMDGPU/skip-if-dead.ll | |
| parent | 8e72a07efecb55e023b1ba3a3d754d3eb14540be (diff) | |
| download | bcm5719-llvm-6c7a8d0b5f971fde03d98de53adc1db48120523e.tar.gz bcm5719-llvm-6c7a8d0b5f971fde03d98de53adc1db48120523e.zip | |
[AMDGPU] Preserve inverted bit in SI_IF in presence of SI_KILL
In case if SI_KILL is in between of the SI_IF and SI_END_CF we need
to preserve the bits actually flipped by if rather then restoring
the original mask.
Differential Revision: https://reviews.llvm.org/D36299
llvm-svn: 310031
Diffstat (limited to 'llvm/test/CodeGen/AMDGPU/skip-if-dead.ll')
| -rw-r--r-- | llvm/test/CodeGen/AMDGPU/skip-if-dead.ll | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/AMDGPU/skip-if-dead.ll b/llvm/test/CodeGen/AMDGPU/skip-if-dead.ll index 0c052ae0a5d..099fb59d541 100644 --- a/llvm/test/CodeGen/AMDGPU/skip-if-dead.ll +++ b/llvm/test/CodeGen/AMDGPU/skip-if-dead.ll @@ -202,6 +202,7 @@ exit: ; CHECK-LABEL: {{^}}test_kill_divergent_loop: ; CHECK: v_cmp_eq_u32_e32 vcc, 0, v0 ; CHECK-NEXT: s_and_saveexec_b64 [[SAVEEXEC:s\[[0-9]+:[0-9]+\]]], vcc +; CHECK-NEXT: s_xor_b64 [[SAVEEXEC]], exec, [[SAVEEXEC]] ; CHECK-NEXT: ; mask branch [[EXIT:BB[0-9]+_[0-9]+]] ; CHECK-NEXT: s_cbranch_execz [[EXIT]] @@ -336,6 +337,7 @@ bb7: ; preds = %bb4 ; 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, |
