ce52b80744
This patch causes compile times for some patterns to explode. I have a (large, unreduced) test case that slows down by more than 20x and several test cases slow down by 2x. I'm sending some of the test cases directly to Nirav and following up with more details in the review log, but this should unblock anyone else hitting this. llvm-svn: 296862
253 lines
14 KiB
LLVM
253 lines
14 KiB
LLVM
; RUN: llc -march=amdgcn -mtriple=amdgcn-unknown-amdhsa -mattr=-promote-alloca,+max-private-element-size-16 -verify-machineinstrs < %s | FileCheck -check-prefix=ELT16 -check-prefix=HSA -check-prefix=HSA-ELT16 -check-prefix=ALL -check-prefix=HSA_ELTGE8 %s
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; RUN: llc -march=amdgcn -mtriple=amdgcn-unknown-amdhsa -mattr=-promote-alloca,+max-private-element-size-8 -verify-machineinstrs < %s | FileCheck -check-prefix=ELT8 -check-prefix=HSA -check-prefix=HSA-ELT8 -check-prefix=ALL -check-prefix=HSA-ELTGE8 %s
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; RUN: llc -march=amdgcn -mtriple=amdgcn-unknown-amdhsa -mattr=-promote-alloca,+max-private-element-size-4 -verify-machineinstrs < %s | FileCheck -check-prefix=ELT4 -check-prefix=HSA -check-prefix=HSA-ELT4 -check-prefix=ALL %s
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; ALL-LABEL: {{^}}private_elt_size_v4i32:
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; HSA-ELT16: private_element_size = 3
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; HSA-ELT8: private_element_size = 2
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; HSA-ELT4: private_element_size = 1
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; HSA-ELT16-DAG: buffer_store_dwordx4 {{v\[[0-9]+:[0-9]+\]}}, off, s[0:3], s9 offset:16
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; HSA-ELT16-DAG: buffer_store_dwordx4 {{v\[[0-9]+:[0-9]+\]}}, off, s[0:3], s9 offset:32
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; HSA-ELT16-DAG: buffer_load_dwordx4 {{v\[[0-9]+:[0-9]+\]}}, v{{[0-9]+}}, s[0:3], s9 offen{{$}}
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; HSA-ELT8-DAG: buffer_store_dwordx2 {{v\[[0-9]+:[0-9]+\]}}, off, s[0:3], s9 offset:24{{$}}
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; HSA-ELT8-DAG: buffer_store_dwordx2 {{v\[[0-9]+:[0-9]+\]}}, off, s[0:3], s9 offset:16
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; HSA-ELT8-DAG: buffer_store_dwordx2 {{v\[[0-9]+:[0-9]+\]}}, off, s[0:3], s9 offset:32
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; HSA-ELT8-DAG: buffer_store_dwordx2 {{v\[[0-9]+:[0-9]+\]}}, off, s[0:3], s9 offset:40
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; HSA-ELT8: buffer_load_dwordx2 {{v\[[0-9]+:[0-9]+\]}}, v{{[0-9]+}}, s[0:3], s9 offen
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; HSA-ELT8: buffer_load_dwordx2 {{v\[[0-9]+:[0-9]+\]}}, v{{[0-9]+}}, s[0:3], s9 offen
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; HSA-ELT4-DAG: buffer_store_dword {{v[0-9]+}}, off, s[0:3], s9 offset:16{{$}}
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; HSA-ELT4-DAG: buffer_store_dword {{v[0-9]+}}, off, s[0:3], s9 offset:20{{$}}
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; HSA-ELT4-DAG: buffer_store_dword {{v[0-9]+}}, off, s[0:3], s9 offset:24{{$}}
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; HSA-ELT4-DAG: buffer_store_dword {{v[0-9]+}}, off, s[0:3], s9 offset:28{{$}}
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; HSA-ELT4-DAG: buffer_store_dword {{v[0-9]+}}, off, s[0:3], s9 offset:32{{$}}
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; HSA-ELT4-DAG: buffer_store_dword {{v[0-9]+}}, off, s[0:3], s9 offset:36{{$}}
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; HSA-ELT4-DAG: buffer_store_dword {{v[0-9]+}}, off, s[0:3], s9 offset:40{{$}}
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; HSA-ELT4-DAG: buffer_store_dword {{v[0-9]+}}, off, s[0:3], s9 offset:44{{$}}
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; HSA-ELT4: buffer_load_dword {{v[0-9]+}}, v{{[0-9]+}}, s[0:3], s9 offen{{$}}
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; HSA-ELT4: buffer_load_dword {{v[0-9]+}}, v{{[0-9]+}}, s[0:3], s9 offen offset:4{{$}}
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; HSA-ELT4: buffer_load_dword {{v[0-9]+}}, v{{[0-9]+}}, s[0:3], s9 offen offset:8{{$}}
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; HSA-ELT4: buffer_load_dword {{v[0-9]+}}, v{{[0-9]+}}, s[0:3], s9 offen offset:12{{$}}
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define void @private_elt_size_v4i32(<4 x i32> addrspace(1)* %out, i32 addrspace(1)* %index.array) #0 {
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entry:
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%tid = call i32 @llvm.amdgcn.workitem.id.x()
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%idxprom = sext i32 %tid to i64
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%gep.index = getelementptr inbounds i32, i32 addrspace(1)* %index.array, i64 %idxprom
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%index.load = load i32, i32 addrspace(1)* %gep.index
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%index = and i32 %index.load, 2
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%alloca = alloca [2 x <4 x i32>], align 16
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%gep0 = getelementptr inbounds [2 x <4 x i32>], [2 x <4 x i32>]* %alloca, i32 0, i32 0
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%gep1 = getelementptr inbounds [2 x <4 x i32>], [2 x <4 x i32>]* %alloca, i32 0, i32 1
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store <4 x i32> zeroinitializer, <4 x i32>* %gep0
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store <4 x i32> <i32 1, i32 2, i32 3, i32 4>, <4 x i32>* %gep1
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%gep2 = getelementptr inbounds [2 x <4 x i32>], [2 x <4 x i32>]* %alloca, i32 0, i32 %index
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%load = load <4 x i32>, <4 x i32>* %gep2
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store <4 x i32> %load, <4 x i32> addrspace(1)* %out
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ret void
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}
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; ALL-LABEL: {{^}}private_elt_size_v8i32:
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; HSA-ELT16: private_element_size = 3
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; HSA-ELT8: private_element_size = 2
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; HSA-ELT4: private_element_size = 1
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; HSA-ELT16-DAG: buffer_store_dwordx4 {{v\[[0-9]+:[0-9]+\]}}, off, s[0:3], s9 offset:32
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; HSA-ELT16-DAG: buffer_store_dwordx4 {{v\[[0-9]+:[0-9]+\]}}, off, s[0:3], s9 offset:48
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; HSA-ELT16-DAG: buffer_store_dwordx4 {{v\[[0-9]+:[0-9]+\]}}, off, s[0:3], s9 offset:64
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; HSA-ELT16-DAG: buffer_store_dwordx4 {{v\[[0-9]+:[0-9]+\]}}, off, s[0:3], s9 offset:80
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; HSA-ELT16-DAG: buffer_load_dwordx4 {{v\[[0-9]+:[0-9]+\]}}, v{{[0-9]+}}, s[0:3], s9 offen{{$}}
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; HSA-ELT16-DAG: buffer_load_dwordx4 {{v\[[0-9]+:[0-9]+\]}}, v{{[0-9]+}}, s[0:3], s9 offen{{$}}
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; HSA-ELT8-DAG: buffer_store_dwordx2 {{v\[[0-9]+:[0-9]+\]}}, off, s[0:3], s9 offset:32
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; HSA-ELT8-DAG: buffer_store_dwordx2 {{v\[[0-9]+:[0-9]+\]}}, off, s[0:3], s9 offset:40
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; HSA-ELT8-DAG: buffer_store_dwordx2 {{v\[[0-9]+:[0-9]+\]}}, off, s[0:3], s9 offset:48
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; HSA-ELT8-DAG: buffer_store_dwordx2 {{v\[[0-9]+:[0-9]+\]}}, off, s[0:3], s9 offset:56
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; HSA-ELT8-DAG: buffer_store_dwordx2 {{v\[[0-9]+:[0-9]+\]}}, off, s[0:3], s9 offset:88
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; HSA-ELT8-DAG: buffer_store_dwordx2 {{v\[[0-9]+:[0-9]+\]}}, off, s[0:3], s9 offset:80
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; HSA-ELT8-DAG: buffer_store_dwordx2 {{v\[[0-9]+:[0-9]+\]}}, off, s[0:3], s9 offset:72
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; HSA-ELT8-DAG: buffer_store_dwordx2 {{v\[[0-9]+:[0-9]+\]}}, off, s[0:3], s9 offset:64
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; HSA-ELT8: buffer_load_dwordx2 {{v\[[0-9]+:[0-9]+\]}}, v{{[0-9]+}}, s[0:3], s9 offen
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; HSA-ELT8: buffer_load_dwordx2 {{v\[[0-9]+:[0-9]+\]}}, v{{[0-9]+}}, s[0:3], s9 offen
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; HSA-ELT4-DAG: buffer_store_dword {{v[0-9]+}}, off, s[0:3], s9 offset:32{{$}}
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; HSA-ELT4-DAG: buffer_store_dword {{v[0-9]+}}, off, s[0:3], s9 offset:36{{$}}
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; HSA-ELT4-DAG: buffer_store_dword {{v[0-9]+}}, off, s[0:3], s9 offset:40{{$}}
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; HSA-ELT4-DAG: buffer_store_dword {{v[0-9]+}}, off, s[0:3], s9 offset:44{{$}}
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; HSA-ELT4-DAG: buffer_store_dword {{v[0-9]+}}, off, s[0:3], s9 offset:48{{$}}
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; HSA-ELT4-DAG: buffer_store_dword {{v[0-9]+}}, off, s[0:3], s9 offset:52{{$}}
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; HSA-ELT4-DAG: buffer_store_dword {{v[0-9]+}}, off, s[0:3], s9 offset:56{{$}}
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; HSA-ELT4-DAG: buffer_store_dword {{v[0-9]+}}, off, s[0:3], s9 offset:60{{$}}
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; HSA-ELT4-DAG: buffer_store_dword {{v[0-9]+}}, off, s[0:3], s9 offset:64{{$}}
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; HSA-ELT4-DAG: buffer_store_dword {{v[0-9]+}}, off, s[0:3], s9 offset:68{{$}}
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; HSA-ELT4-DAG: buffer_store_dword {{v[0-9]+}}, off, s[0:3], s9 offset:72{{$}}
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; HSA-ELT4-DAG: buffer_store_dword {{v[0-9]+}}, off, s[0:3], s9 offset:76{{$}}
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; HSA-ELT4-DAG: buffer_store_dword {{v[0-9]+}}, off, s[0:3], s9 offset:80{{$}}
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; HSA-ELT4-DAG: buffer_store_dword {{v[0-9]+}}, off, s[0:3], s9 offset:84{{$}}
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; HSA-ELT4-DAG: buffer_store_dword {{v[0-9]+}}, off, s[0:3], s9 offset:88{{$}}
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; HSA-ELT4-DAG: buffer_store_dword {{v[0-9]+}}, off, s[0:3], s9 offset:92{{$}}
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; HSA-ELT4-DAG: buffer_load_dword {{v[0-9]+}}, v{{[0-9]+}}, s[0:3], s9 offen{{$}}
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; HSA-ELT4-DAG: buffer_load_dword {{v[0-9]+}}, v{{[0-9]+}}, s[0:3], s9 offen offset:4{{$}}
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; HSA-ELT4-DAG: buffer_load_dword {{v[0-9]+}}, v{{[0-9]+}}, s[0:3], s9 offen offset:8{{$}}
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; HSA-ELT4-DAG: buffer_load_dword {{v[0-9]+}}, v{{[0-9]+}}, s[0:3], s9 offen offset:12{{$}}
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; HSA-ELT4-DAG: buffer_load_dword {{v[0-9]+}}, v{{[0-9]+}}, s[0:3], s9 offen offset:16{{$}}
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; HSA-ELT4-DAG: buffer_load_dword {{v[0-9]+}}, v{{[0-9]+}}, s[0:3], s9 offen offset:20{{$}}
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; HSA-ELT4-DAG: buffer_load_dword {{v[0-9]+}}, v{{[0-9]+}}, s[0:3], s9 offen offset:24{{$}}
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; HSA-ELT4-DAG: buffer_load_dword {{v[0-9]+}}, v{{[0-9]+}}, s[0:3], s9 offen offset:28{{$}}
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define void @private_elt_size_v8i32(<8 x i32> addrspace(1)* %out, i32 addrspace(1)* %index.array) #0 {
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entry:
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%tid = call i32 @llvm.amdgcn.workitem.id.x()
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%idxprom = sext i32 %tid to i64
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%gep.index = getelementptr inbounds i32, i32 addrspace(1)* %index.array, i64 %idxprom
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%index.load = load i32, i32 addrspace(1)* %gep.index
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%index = and i32 %index.load, 2
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%alloca = alloca [2 x <8 x i32>], align 16
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%gep0 = getelementptr inbounds [2 x <8 x i32>], [2 x <8 x i32>]* %alloca, i32 0, i32 0
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%gep1 = getelementptr inbounds [2 x <8 x i32>], [2 x <8 x i32>]* %alloca, i32 0, i32 1
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store <8 x i32> zeroinitializer, <8 x i32>* %gep0
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store <8 x i32> <i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8>, <8 x i32>* %gep1
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%gep2 = getelementptr inbounds [2 x <8 x i32>], [2 x <8 x i32>]* %alloca, i32 0, i32 %index
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%load = load <8 x i32>, <8 x i32>* %gep2
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store <8 x i32> %load, <8 x i32> addrspace(1)* %out
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ret void
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}
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; ALL-LABEL: {{^}}private_elt_size_i64:
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; HSA-ELT16: private_element_size = 3
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; HSA-ELT8: private_element_size = 2
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; HSA-ELT4: private_element_size = 1
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; HSA-ELTGE8-DAG: buffer_store_dwordx2 {{v\[[0-9]+:[0-9]+\]}}, off, s[0:3], s9 offset:16
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; HSA-ELTGE8-DAG: buffer_store_dwordx2 {{v\[[0-9]+:[0-9]+\]}}, off, s[0:3], s9 offset:24
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; HSA-ELTGE8: buffer_load_dwordx2 {{v\[[0-9]+:[0-9]+\]}}, v{{[0-9]+}}, s[0:3], s9 offen
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; HSA-ELT4-DAG: buffer_store_dword {{v[0-9]+}}, off, s[0:3], s9 offset:16{{$}}
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; HSA-ELT4-DAG: buffer_store_dword {{v[0-9]+}}, off, s[0:3], s9 offset:20{{$}}
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; HSA-ELT4-DAG: buffer_store_dword {{v[0-9]+}}, off, s[0:3], s9 offset:24{{$}}
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; HSA-ELT4-DAG: buffer_store_dword {{v[0-9]+}}, off, s[0:3], s9 offset:28{{$}}
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; HSA-ELT4: buffer_load_dword {{v[0-9]+}}, v{{[0-9]+}}, s[0:3], s9 offen{{$}}
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; HSA-ELT4: buffer_load_dword {{v[0-9]+}}, v{{[0-9]+}}, s[0:3], s9 offen offset:4{{$}}
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define void @private_elt_size_i64(i64 addrspace(1)* %out, i32 addrspace(1)* %index.array) #0 {
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entry:
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%tid = call i32 @llvm.amdgcn.workitem.id.x()
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%idxprom = sext i32 %tid to i64
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%gep.index = getelementptr inbounds i32, i32 addrspace(1)* %index.array, i64 %idxprom
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%index.load = load i32, i32 addrspace(1)* %gep.index
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%index = and i32 %index.load, 2
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%alloca = alloca [2 x i64], align 16
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%gep0 = getelementptr inbounds [2 x i64], [2 x i64]* %alloca, i32 0, i32 0
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%gep1 = getelementptr inbounds [2 x i64], [2 x i64]* %alloca, i32 0, i32 1
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store i64 0, i64* %gep0
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store i64 34359738602, i64* %gep1
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%gep2 = getelementptr inbounds [2 x i64], [2 x i64]* %alloca, i32 0, i32 %index
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%load = load i64, i64* %gep2
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store i64 %load, i64 addrspace(1)* %out
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ret void
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}
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; ALL-LABEL: {{^}}private_elt_size_f64:
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; HSA-ELT16: private_element_size = 3
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; HSA-ELT8: private_element_size = 2
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; HSA-ELT4: private_element_size = 1
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; HSA-ELTGE8-DAG: buffer_store_dwordx2 {{v\[[0-9]+:[0-9]+\]}}, off, s[0:3], s9 offset:16
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; HSA-ELTGE8-DAG: buffer_store_dwordx2 {{v\[[0-9]+:[0-9]+\]}}, off, s[0:3], s9 offset:24
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; HSA-ELTGE8: buffer_load_dwordx2 {{v\[[0-9]+:[0-9]+\]}}, v{{[0-9]+}}, s[0:3], s9 offen
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; HSA-ELT4-DAG: buffer_store_dword {{v[0-9]+}}, off, s[0:3], s9 offset:16{{$}}
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; HSA-ELT4-DAG: buffer_store_dword {{v[0-9]+}}, off, s[0:3], s9 offset:20{{$}}
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; HSA-ELT4-DAG: buffer_store_dword {{v[0-9]+}}, off, s[0:3], s9 offset:24{{$}}
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; HSA-ELT4-DAG: buffer_store_dword {{v[0-9]+}}, off, s[0:3], s9 offset:28{{$}}
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; HSA-ELT4: buffer_load_dword {{v[0-9]+}}, v{{[0-9]+}}, s[0:3], s9 offen{{$}}
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; HSA-ELT4: buffer_load_dword {{v[0-9]+}}, v{{[0-9]+}}, s[0:3], s9 offen offset:4{{$}}
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define void @private_elt_size_f64(double addrspace(1)* %out, i32 addrspace(1)* %index.array) #0 {
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entry:
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%tid = call i32 @llvm.amdgcn.workitem.id.x()
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%idxprom = sext i32 %tid to i64
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%gep.index = getelementptr inbounds i32, i32 addrspace(1)* %index.array, i64 %idxprom
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%index.load = load i32, i32 addrspace(1)* %gep.index
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%index = and i32 %index.load, 2
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%alloca = alloca [2 x double], align 16
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%gep0 = getelementptr inbounds [2 x double], [2 x double]* %alloca, i32 0, i32 0
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%gep1 = getelementptr inbounds [2 x double], [2 x double]* %alloca, i32 0, i32 1
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store double 0.0, double* %gep0
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store double 4.0, double* %gep1
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%gep2 = getelementptr inbounds [2 x double], [2 x double]* %alloca, i32 0, i32 %index
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%load = load double, double* %gep2
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store double %load, double addrspace(1)* %out
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ret void
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}
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; ALL-LABEL: {{^}}private_elt_size_v2i64:
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; HSA-ELT16: private_element_size = 3
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; HSA-ELT8: private_element_size = 2
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; HSA-ELT4: private_element_size = 1
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; HSA-ELT16-DAG: buffer_store_dwordx4 {{v\[[0-9]+:[0-9]+\]}}, off, s[0:3], s9 offset:16
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; HSA-ELT16-DAG: buffer_store_dwordx4 {{v\[[0-9]+:[0-9]+\]}}, off, s[0:3], s9 offset:32
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; HSA-ELT16-DAG: buffer_load_dwordx4 {{v\[[0-9]+:[0-9]+\]}}, v{{[0-9]+}}, s[0:3], s9 offen{{$}}
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; HSA-ELT8-DAG: buffer_store_dwordx2 {{v\[[0-9]+:[0-9]+\]}}, off, s[0:3], s9 offset:16{{$}}
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; HSA-ELT8-DAG: buffer_store_dwordx2 {{v\[[0-9]+:[0-9]+\]}}, off, s[0:3], s9 offset:24
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; HSA-ELT8-DAG: buffer_store_dwordx2 {{v\[[0-9]+:[0-9]+\]}}, off, s[0:3], s9 offset:40
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; HSA-ELT8-DAG: buffer_store_dwordx2 {{v\[[0-9]+:[0-9]+\]}}, off, s[0:3], s9 offset:32
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; HSA-ELT8: buffer_load_dwordx2 {{v\[[0-9]+:[0-9]+\]}}, v{{[0-9]+}}, s[0:3], s9 offen
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; HSA-ELT8: buffer_load_dwordx2 {{v\[[0-9]+:[0-9]+\]}}, v{{[0-9]+}}, s[0:3], s9 offen
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; HSA-ELT4-DAG: buffer_store_dword {{v[0-9]+}}, off, s[0:3], s9 offset:16{{$}}
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; HSA-ELT4-DAG: buffer_store_dword {{v[0-9]+}}, off, s[0:3], s9 offset:20{{$}}
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; HSA-ELT4-DAG: buffer_store_dword {{v[0-9]+}}, off, s[0:3], s9 offset:24{{$}}
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; HSA-ELT4-DAG: buffer_store_dword {{v[0-9]+}}, off, s[0:3], s9 offset:28{{$}}
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; HSA-ELT4-DAG: buffer_store_dword {{v[0-9]+}}, off, s[0:3], s9 offset:32{{$}}
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; HSA-ELT4-DAG: buffer_store_dword {{v[0-9]+}}, off, s[0:3], s9 offset:36{{$}}
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; HSA-ELT4-DAG: buffer_store_dword {{v[0-9]+}}, off, s[0:3], s9 offset:40{{$}}
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; HSA-ELT4-DAG: buffer_store_dword {{v[0-9]+}}, off, s[0:3], s9 offset:44{{$}}
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; HSA-ELT4: buffer_load_dword {{v[0-9]+}}, v{{[0-9]+}}, s[0:3], s9 offen{{$}}
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; HSA-ELT4: buffer_load_dword {{v[0-9]+}}, v{{[0-9]+}}, s[0:3], s9 offen offset:4{{$}}
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; HSA-ELT4: buffer_load_dword {{v[0-9]+}}, v{{[0-9]+}}, s[0:3], s9 offen offset:8{{$}}
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; HSA-ELT4: buffer_load_dword {{v[0-9]+}}, v{{[0-9]+}}, s[0:3], s9 offen offset:12{{$}}
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define void @private_elt_size_v2i64(<2 x i64> addrspace(1)* %out, i32 addrspace(1)* %index.array) #0 {
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entry:
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%tid = call i32 @llvm.amdgcn.workitem.id.x()
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%idxprom = sext i32 %tid to i64
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|
%gep.index = getelementptr inbounds i32, i32 addrspace(1)* %index.array, i64 %idxprom
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|
%index.load = load i32, i32 addrspace(1)* %gep.index
|
|
%index = and i32 %index.load, 2
|
|
%alloca = alloca [2 x <2 x i64>], align 16
|
|
%gep0 = getelementptr inbounds [2 x <2 x i64>], [2 x <2 x i64>]* %alloca, i32 0, i32 0
|
|
%gep1 = getelementptr inbounds [2 x <2 x i64>], [2 x <2 x i64>]* %alloca, i32 0, i32 1
|
|
store <2 x i64> zeroinitializer, <2 x i64>* %gep0
|
|
store <2 x i64> <i64 1, i64 2>, <2 x i64>* %gep1
|
|
%gep2 = getelementptr inbounds [2 x <2 x i64>], [2 x <2 x i64>]* %alloca, i32 0, i32 %index
|
|
%load = load <2 x i64>, <2 x i64>* %gep2
|
|
store <2 x i64> %load, <2 x i64> addrspace(1)* %out
|
|
ret void
|
|
}
|
|
|
|
declare i32 @llvm.amdgcn.workitem.id.x() #1
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|
|
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attributes #0 = { nounwind }
|
|
attributes #1 = { nounwind readnone }
|