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| author | Nicolai Haehnle <nhaehnle@gmail.com> | 2018-11-09 15:13:12 +0000 |
|---|---|---|
| committer | Nicolai Haehnle <nhaehnle@gmail.com> | 2018-11-09 15:13:12 +0000 |
| commit | d5199e39c006202f981de8bb719417b3eb8cb9ac (patch) | |
| tree | 5e2012bec4e0fa86efbe5897d5d5139d3e06307c | |
| parent | 99538e89a9dffce36ee4f73728039cb741df5f08 (diff) | |
| download | bcm5719-llvm-d5199e39c006202f981de8bb719417b3eb8cb9ac.tar.gz bcm5719-llvm-d5199e39c006202f981de8bb719417b3eb8cb9ac.zip | |
AMDGPU: Add testcase to demonstrate a condition with pre-existing waitcnt
Relevant for https://reviews.llvm.org/D54226.
llvm-svn: 346501
| -rw-r--r-- | llvm/test/CodeGen/AMDGPU/waitcnt-preexisting.mir | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/AMDGPU/waitcnt-preexisting.mir b/llvm/test/CodeGen/AMDGPU/waitcnt-preexisting.mir new file mode 100644 index 00000000000..5443b201e72 --- /dev/null +++ b/llvm/test/CodeGen/AMDGPU/waitcnt-preexisting.mir @@ -0,0 +1,36 @@ +# RUN: llc -march=amdgcn -verify-machineinstrs -run-pass si-insert-waitcnts -o - %s | FileCheck -check-prefixes=GCN %s + +# GCN-LABEL: name: test{{$}} +# GCN: S_WAITCNT -16257 +# GGN: DS_READ2_B32 +# GGN: DS_READ2_B32 +# GCN: S_WAITCNT 127{{$}} +# GCN-NEXT: $vgpr1 = V_ADD_U32_e32 1, killed $vgpr1, implicit $exec +# GCN-NEXT: $vgpr1 = V_MAX_U32_e32 killed $vgpr0, killed $vgpr1, implicit $exec +# GCN-NEXT: $vgpr1 = V_MAX_U32_e32 killed $vgpr2, killed $vgpr1, implicit $exec +--- | + define amdgpu_cs void @test() { + ret void + } +... +--- +name: test +body: | + bb.0: + liveins: $sgpr0, $sgpr1, $vgpr0 + + renamable $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7 = S_LOAD_DWORDX8_IMM renamable $sgpr0_sgpr1, 480, 0 + renamable $vgpr13 = V_LSHLREV_B32_e32 2, killed $vgpr0, implicit $exec + S_WAITCNT -16257 + renamable $vgpr0_vgpr1 = DS_READ2_B32 renamable $vgpr13, 0, 1, 0, implicit $m0, implicit $exec + renamable $vgpr2_vgpr3 = DS_READ2_B32 renamable $vgpr13, 2, 3, 0, implicit $m0, implicit $exec + renamable $vgpr1 = V_ADD_U32_e32 1, killed $vgpr1, implicit $exec + renamable $vgpr1 = V_MAX_U32_e32 killed $vgpr0, killed $vgpr1, implicit $exec + renamable $vgpr1 = V_MAX_U32_e32 killed $vgpr2, killed $vgpr1, implicit $exec + renamable $vgpr1 = V_MAX_U32_e32 killed $vgpr3, killed $vgpr1, implicit $exec + $vgpr0 = V_MOV_B32_e32 $vgpr1, implicit $exec, implicit $exec + $vgpr2 = V_MOV_B32_e32 $vgpr1, implicit $exec, implicit $exec + $vgpr3 = V_MOV_B32_e32 $vgpr1, implicit $exec, implicit $exec + IMAGE_STORE_V4_V2 killed renamable $vgpr0_vgpr1_vgpr2_vgpr3, killed renamable $vgpr0_vgpr1, killed renamable $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7, 15, -1, 1, 0, 0, 0, 0, 0, 0, implicit $exec + S_ENDPGM +... |
