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1f99c41083
- Implemented amdgpu-flat-work-group-size attribute - Implemented amdgpu-num-active-waves-per-eu attribute - Implemented amdgpu-num-sgpr attribute - Implemented amdgpu-num-vgpr attribute - Dynamic LDS constraints are in a separate patch Patch by Tom Stellard and Konstantin Zhuravlyov Differential Revision: https://reviews.llvm.org/D21562 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@280747 91177308-0d34-0410-b5e6-96231b3b80d8
125 lines
4.8 KiB
LLVM
125 lines
4.8 KiB
LLVM
; RUN: llc -march=amdgcn -mattr=-promote-alloca,+max-private-element-size-16 -verify-machineinstrs < %s | FileCheck -check-prefix=SI-ALLOCA16 -check-prefix=SI %s
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; RUN: llc -march=amdgcn -mattr=-promote-alloca,+max-private-element-size-4 -verify-machineinstrs < %s | FileCheck -check-prefix=SI-ALLOCA4 -check-prefix=SI %s
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; RUN: llc -march=amdgcn -mattr=+promote-alloca -verify-machineinstrs < %s | FileCheck -check-prefix=SI-PROMOTE -check-prefix=SI %s
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; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-promote-alloca,+max-private-element-size-16 -verify-machineinstrs < %s | FileCheck -check-prefix=CI-ALLOCA16 -check-prefix=SI %s
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; RUN: llc -march=amdgcn -mcpu=tonga -mattr=+promote-alloca -verify-machineinstrs < %s | FileCheck -check-prefix=CI-PROMOTE -check-prefix=SI %s
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declare void @llvm.amdgcn.s.barrier() #0
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; SI-LABEL: {{^}}private_access_f64_alloca:
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; SI-ALLOCA16: buffer_store_dwordx2
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; SI-ALLOCA16: buffer_load_dwordx2
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; SI-ALLOCA4: buffer_store_dword v
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; SI-ALLOCA4: buffer_store_dword v
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; SI-ALLOCA4: buffer_load_dword v
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; SI-ALLOCA4: buffer_load_dword v
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; SI-PROMOTE: ds_write_b64
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; SI-PROMOTE: ds_read_b64
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; CI-PROMOTE: ds_write_b64
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; CI-PROMOTE: ds_read_b64
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define void @private_access_f64_alloca(double addrspace(1)* noalias %out, double addrspace(1)* noalias %in, i32 %b) #1 {
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%val = load double, double addrspace(1)* %in, align 8
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%array = alloca [16 x double], align 8
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%ptr = getelementptr inbounds [16 x double], [16 x double]* %array, i32 0, i32 %b
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store double %val, double* %ptr, align 8
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call void @llvm.amdgcn.s.barrier()
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%result = load double, double* %ptr, align 8
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store double %result, double addrspace(1)* %out, align 8
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ret void
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}
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; SI-LABEL: {{^}}private_access_v2f64_alloca:
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; SI-ALLOCA16: buffer_store_dwordx4
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; SI-ALLOCA16: buffer_load_dwordx4
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; SI-ALLOCA4: buffer_store_dword v
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; SI-ALLOCA4: buffer_store_dword v
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; SI-ALLOCA4: buffer_store_dword v
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; SI-ALLOCA4: buffer_store_dword v
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; SI-ALLOCA4: buffer_load_dword v
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; SI-ALLOCA4: buffer_load_dword v
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; SI-ALLOCA4: buffer_load_dword v
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; SI-ALLOCA4: buffer_load_dword v
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; SI-PROMOTE: ds_write_b64
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; SI-PROMOTE: ds_write_b64
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; SI-PROMOTE: ds_read_b64
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; SI-PROMOTE: ds_read_b64
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; CI-PROMOTE: ds_write2_b64
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; CI-PROMOTE: ds_read2_b64
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define void @private_access_v2f64_alloca(<2 x double> addrspace(1)* noalias %out, <2 x double> addrspace(1)* noalias %in, i32 %b) #1 {
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%val = load <2 x double>, <2 x double> addrspace(1)* %in, align 16
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%array = alloca [8 x <2 x double>], align 16
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%ptr = getelementptr inbounds [8 x <2 x double>], [8 x <2 x double>]* %array, i32 0, i32 %b
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store <2 x double> %val, <2 x double>* %ptr, align 16
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call void @llvm.amdgcn.s.barrier()
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%result = load <2 x double>, <2 x double>* %ptr, align 16
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store <2 x double> %result, <2 x double> addrspace(1)* %out, align 16
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ret void
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}
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; SI-LABEL: {{^}}private_access_i64_alloca:
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; SI-ALLOCA16: buffer_store_dwordx2
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; SI-ALLOCA16: buffer_load_dwordx2
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; SI-ALLOCA4: buffer_store_dword v
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; SI-ALLOCA4: buffer_store_dword v
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; SI-ALLOCA4: buffer_load_dword v
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; SI-ALLOCA4: buffer_load_dword v
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; SI-PROMOTE: ds_write_b64
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; SI-PROMOTE: ds_read_b64
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; CI-PROMOTE: ds_write_b64
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; CI-PROMOTE: ds_read_b64
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define void @private_access_i64_alloca(i64 addrspace(1)* noalias %out, i64 addrspace(1)* noalias %in, i32 %b) #1 {
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%val = load i64, i64 addrspace(1)* %in, align 8
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%array = alloca [8 x i64], align 8
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%ptr = getelementptr inbounds [8 x i64], [8 x i64]* %array, i32 0, i32 %b
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store i64 %val, i64* %ptr, align 8
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call void @llvm.amdgcn.s.barrier()
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%result = load i64, i64* %ptr, align 8
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store i64 %result, i64 addrspace(1)* %out, align 8
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ret void
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}
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; SI-LABEL: {{^}}private_access_v2i64_alloca:
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; SI-ALLOCA16: buffer_store_dwordx4
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; SI-ALLOCA16: buffer_load_dwordx4
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; SI-ALLOCA4: buffer_store_dword v
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; SI-ALLOCA4: buffer_store_dword v
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; SI-ALLOCA4: buffer_store_dword v
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; SI-ALLOCA4: buffer_store_dword v
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; SI-ALLOCA4: buffer_load_dword v
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; SI-ALLOCA4: buffer_load_dword v
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; SI-ALLOCA4: buffer_load_dword v
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; SI-ALLOCA4: buffer_load_dword v
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; SI-PROMOTE: ds_write_b64
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; SI-PROMOTE: ds_write_b64
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; SI-PROMOTE: ds_read_b64
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; SI-PROMOTE: ds_read_b64
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; CI-PROMOTE: ds_write2_b64
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; CI-PROMOTE: ds_read2_b64
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define void @private_access_v2i64_alloca(<2 x i64> addrspace(1)* noalias %out, <2 x i64> addrspace(1)* noalias %in, i32 %b) #1 {
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%val = load <2 x i64>, <2 x i64> addrspace(1)* %in, align 16
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%array = alloca [8 x <2 x i64>], align 16
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%ptr = getelementptr inbounds [8 x <2 x i64>], [8 x <2 x i64>]* %array, i32 0, i32 %b
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store <2 x i64> %val, <2 x i64>* %ptr, align 16
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call void @llvm.amdgcn.s.barrier()
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%result = load <2 x i64>, <2 x i64>* %ptr, align 16
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store <2 x i64> %result, <2 x i64> addrspace(1)* %out, align 16
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ret void
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}
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attributes #0 = { convergent nounwind }
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attributes #1 = { nounwind "amdgpu-waves-per-eu"="1,2" "amdgpu-flat-work-group-size"="64,64" }
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