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47 lines
1.7 KiB
47 lines
1.7 KiB
; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=GCN -check-prefix=SI-NOHSA -check-prefix=GCN-NOHSA %s
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; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=VI -check-prefix=VI-NOHSA -check-prefix=GCN -check-prefix=GCN-NOHSA %s
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; GCN-LABEL: {{^}}read_workdim:
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; SI-NOHSA: s_load_dword [[VAL:s[0-9]+]], s[0:1], 0xb
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; VI-NOHSA: s_load_dword [[VAL:s[0-9]+]], s[0:1], 0x2c
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; GCN-NOHSA: v_mov_b32_e32 [[VVAL:v[0-9]+]], [[VAL]]
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; GCN-NOHSA: buffer_store_dword [[VVAL]]
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define void @read_workdim(i32 addrspace(1)* %out) {
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entry:
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%0 = call i32 @llvm.amdgcn.read.workdim() #0
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store i32 %0, i32 addrspace(1)* %out
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ret void
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}
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; GCN-LABEL: {{^}}read_workdim_known_bits:
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; SI: s_load_dword [[VAL:s[0-9]+]], s[0:1], 0xb
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; VI: s_load_dword [[VAL:s[0-9]+]], s[0:1], 0x2c
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; GCN-NOT: 0xff
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; GCN: v_mov_b32_e32 [[VVAL:v[0-9]+]], [[VAL]]
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; GCN: buffer_store_dword [[VVAL]]
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define void @read_workdim_known_bits(i32 addrspace(1)* %out) {
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entry:
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%dim = call i32 @llvm.amdgcn.read.workdim() #0
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%shl = shl i32 %dim, 24
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%shr = lshr i32 %shl, 24
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store i32 %shr, i32 addrspace(1)* %out
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ret void
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}
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; GCN-LABEL: {{^}}legacy_read_workdim:
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; SI-NOHSA: s_load_dword [[VAL:s[0-9]+]], s[0:1], 0xb
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; VI-NOHSA: s_load_dword [[VAL:s[0-9]+]], s[0:1], 0x2c
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; GCN-NOHSA: v_mov_b32_e32 [[VVAL:v[0-9]+]], [[VAL]]
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; GCN-NOHSA: buffer_store_dword [[VVAL]]
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define void @legacy_read_workdim(i32 addrspace(1)* %out) {
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entry:
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%dim = call i32 @llvm.AMDGPU.read.workdim() #0
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store i32 %dim, i32 addrspace(1)* %out
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ret void
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}
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declare i32 @llvm.amdgcn.read.workdim() #0
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declare i32 @llvm.AMDGPU.read.workdim() #0
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attributes #0 = { nounwind readnone }
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