1 ; RUN: llc -march=amdgcn -mattr=-promote-alloca,+max-private-element-size-16 -verify-machineinstrs < %s | FileCheck -check-prefix=SI-ALLOCA16 -check-prefix=SI %s 2 ; RUN: llc -march=amdgcn -mattr=-promote-alloca,+max-private-element-size-4 -verify-machineinstrs < %s | FileCheck -check-prefix=SI-ALLOCA4 -check-prefix=SI %s 3 ; RUN: llc -march=amdgcn -mattr=+promote-alloca -verify-machineinstrs < %s | FileCheck -check-prefix=SI-PROMOTE -check-prefix=SI %s 4 ; 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 5 ; RUN: llc -march=amdgcn -mcpu=tonga -mattr=+promote-alloca -verify-machineinstrs < %s | FileCheck -check-prefix=CI-PROMOTE -check-prefix=SI %s 6 7 declare void @llvm.amdgcn.s.barrier() #0 8 9 ; SI-LABEL: {{^}}private_access_f64_alloca: 10 11 ; SI-ALLOCA16: buffer_store_dwordx2 12 ; SI-ALLOCA16: buffer_load_dwordx2 13 14 ; SI-ALLOCA4: buffer_store_dword v 15 ; SI-ALLOCA4: buffer_store_dword v 16 ; SI-ALLOCA4: buffer_load_dword v 17 ; SI-ALLOCA4: buffer_load_dword v 18 19 ; SI-PROMOTE: ds_write_b64 20 ; SI-PROMOTE: ds_read_b64 21 ; CI-PROMOTE: ds_write_b64 22 ; CI-PROMOTE: ds_read_b64 23 define void @private_access_f64_alloca(double addrspace(1)* noalias %out, double addrspace(1)* noalias %in, i32 %b) #1 { 24 %val = load double, double addrspace(1)* %in, align 8 25 %array = alloca [16 x double], align 8 26 %ptr = getelementptr inbounds [16 x double], [16 x double]* %array, i32 0, i32 %b 27 store double %val, double* %ptr, align 8 28 call void @llvm.amdgcn.s.barrier() 29 %result = load double, double* %ptr, align 8 30 store double %result, double addrspace(1)* %out, align 8 31 ret void 32 } 33 34 ; SI-LABEL: {{^}}private_access_v2f64_alloca: 35 36 ; SI-ALLOCA16: buffer_store_dwordx4 37 ; SI-ALLOCA16: buffer_load_dwordx4 38 39 ; SI-ALLOCA4: buffer_store_dword v 40 ; SI-ALLOCA4: buffer_store_dword v 41 ; SI-ALLOCA4: buffer_store_dword v 42 ; SI-ALLOCA4: buffer_store_dword v 43 ; SI-ALLOCA4: buffer_load_dword v 44 ; SI-ALLOCA4: buffer_load_dword v 45 ; SI-ALLOCA4: buffer_load_dword v 46 ; SI-ALLOCA4: buffer_load_dword v 47 48 ; SI-PROMOTE: ds_write_b64 49 ; SI-PROMOTE: ds_write_b64 50 ; SI-PROMOTE: ds_read_b64 51 ; SI-PROMOTE: ds_read_b64 52 ; CI-PROMOTE: ds_write2_b64 53 ; CI-PROMOTE: ds_read2_b64 54 define void @private_access_v2f64_alloca(<2 x double> addrspace(1)* noalias %out, <2 x double> addrspace(1)* noalias %in, i32 %b) #1 { 55 %val = load <2 x double>, <2 x double> addrspace(1)* %in, align 16 56 %array = alloca [8 x <2 x double>], align 16 57 %ptr = getelementptr inbounds [8 x <2 x double>], [8 x <2 x double>]* %array, i32 0, i32 %b 58 store <2 x double> %val, <2 x double>* %ptr, align 16 59 call void @llvm.amdgcn.s.barrier() 60 %result = load <2 x double>, <2 x double>* %ptr, align 16 61 store <2 x double> %result, <2 x double> addrspace(1)* %out, align 16 62 ret void 63 } 64 65 ; SI-LABEL: {{^}}private_access_i64_alloca: 66 67 ; SI-ALLOCA16: buffer_store_dwordx2 68 ; SI-ALLOCA16: buffer_load_dwordx2 69 70 ; SI-ALLOCA4: buffer_store_dword v 71 ; SI-ALLOCA4: buffer_store_dword v 72 ; SI-ALLOCA4: buffer_load_dword v 73 ; SI-ALLOCA4: buffer_load_dword v 74 75 76 ; SI-PROMOTE: ds_write_b64 77 ; SI-PROMOTE: ds_read_b64 78 ; CI-PROMOTE: ds_write_b64 79 ; CI-PROMOTE: ds_read_b64 80 define void @private_access_i64_alloca(i64 addrspace(1)* noalias %out, i64 addrspace(1)* noalias %in, i32 %b) #1 { 81 %val = load i64, i64 addrspace(1)* %in, align 8 82 %array = alloca [8 x i64], align 8 83 %ptr = getelementptr inbounds [8 x i64], [8 x i64]* %array, i32 0, i32 %b 84 store i64 %val, i64* %ptr, align 8 85 call void @llvm.amdgcn.s.barrier() 86 %result = load i64, i64* %ptr, align 8 87 store i64 %result, i64 addrspace(1)* %out, align 8 88 ret void 89 } 90 91 ; SI-LABEL: {{^}}private_access_v2i64_alloca: 92 93 ; SI-ALLOCA16: buffer_store_dwordx4 94 ; SI-ALLOCA16: buffer_load_dwordx4 95 96 ; SI-ALLOCA4: buffer_store_dword v 97 ; SI-ALLOCA4: buffer_store_dword v 98 ; SI-ALLOCA4: buffer_store_dword v 99 ; SI-ALLOCA4: buffer_store_dword v 100 101 ; SI-ALLOCA4: buffer_load_dword v 102 ; SI-ALLOCA4: buffer_load_dword v 103 ; SI-ALLOCA4: buffer_load_dword v 104 ; SI-ALLOCA4: buffer_load_dword v 105 106 ; SI-PROMOTE: ds_write_b64 107 ; SI-PROMOTE: ds_write_b64 108 ; SI-PROMOTE: ds_read_b64 109 ; SI-PROMOTE: ds_read_b64 110 ; CI-PROMOTE: ds_write2_b64 111 ; CI-PROMOTE: ds_read2_b64 112 define void @private_access_v2i64_alloca(<2 x i64> addrspace(1)* noalias %out, <2 x i64> addrspace(1)* noalias %in, i32 %b) #1 { 113 %val = load <2 x i64>, <2 x i64> addrspace(1)* %in, align 16 114 %array = alloca [8 x <2 x i64>], align 16 115 %ptr = getelementptr inbounds [8 x <2 x i64>], [8 x <2 x i64>]* %array, i32 0, i32 %b 116 store <2 x i64> %val, <2 x i64>* %ptr, align 16 117 call void @llvm.amdgcn.s.barrier() 118 %result = load <2 x i64>, <2 x i64>* %ptr, align 16 119 store <2 x i64> %result, <2 x i64> addrspace(1)* %out, align 16 120 ret void 121 } 122 123 attributes #0 = { convergent nounwind } 124 attributes #1 = { nounwind "amdgpu-max-waves-per-eu"="2" "amdgpu-max-work-group-size"="64" } 125
