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| author | Matt Arsenault <Matthew.Arsenault@amd.com> | 2016-12-06 01:02:51 +0000 |
|---|---|---|
| committer | Matt Arsenault <Matthew.Arsenault@amd.com> | 2016-12-06 01:02:51 +0000 |
| commit | ad55ee58691b58f3ac36e688fc90808d5cf71e7f (patch) | |
| tree | 712b24af2cc28eb96613647ee32d130ba02f8d03 /llvm/test/CodeGen/AMDGPU/basic-branch.ll | |
| parent | 9642b36e91c28b888db018ebec8998b5bee33338 (diff) | |
| download | bcm5719-llvm-ad55ee58691b58f3ac36e688fc90808d5cf71e7f.tar.gz bcm5719-llvm-ad55ee58691b58f3ac36e688fc90808d5cf71e7f.zip | |
AMDGPU: Don't required structured CFG
The structured CFG is just an aid to inserting exec
mask modification instructions, once that is done
we don't really need it anymore. We also
do not analyze blocks with terminators that
modify exec, so this should only be impacting
true branches.
llvm-svn: 288744
Diffstat (limited to 'llvm/test/CodeGen/AMDGPU/basic-branch.ll')
| -rw-r--r-- | llvm/test/CodeGen/AMDGPU/basic-branch.ll | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/llvm/test/CodeGen/AMDGPU/basic-branch.ll b/llvm/test/CodeGen/AMDGPU/basic-branch.ll index 83313ed5327..24874ee7fa9 100644 --- a/llvm/test/CodeGen/AMDGPU/basic-branch.ll +++ b/llvm/test/CodeGen/AMDGPU/basic-branch.ll @@ -8,13 +8,15 @@ ; GCNNOOPT: v_writelane_b32 ; GCN: s_cbranch_scc1 [[END:BB[0-9]+_[0-9]+]] + ; GCN: ; BB#1 ; GCNNOOPT: v_readlane_b32 ; GCNNOOPT: v_readlane_b32 ; GCN: buffer_store_dword -; GCN: s_endpgm +; GCNOPT-NEXT: s_waitcnt vmcnt(0) expcnt(0) +; TODO: This waitcnt can be eliminated -; GCN: {{^}}[[END]] +; GCN: {{^}}[[END]]: ; GCN: s_endpgm define void @test_branch(i32 addrspace(1)* noalias %out, i32 addrspace(1)* noalias %in, i32 %val) #0 { %cmp = icmp ne i32 %val, 0 @@ -35,9 +37,10 @@ end: ; GCN: s_cbranch_vccnz [[END:BB[0-9]+_[0-9]+]] ; GCN: buffer_store_dword -; GCN: s_endpgm +; GCNOPT-NEXT: s_waitcnt vmcnt(0) expcnt(0) +; TODO: This waitcnt can be eliminated -; GCN: {{^}}[[END]] +; GCN: {{^}}[[END]]: ; GCN: s_endpgm define void @test_brcc_i1(i32 addrspace(1)* noalias %out, i32 addrspace(1)* noalias %in, i1 %val) #0 { %cmp0 = icmp ne i1 %val, 0 |
