33 lines
1.6 KiB
LLVM
33 lines
1.6 KiB
LLVM
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; RUN: llc -march=amdgcn -mcpu=tahiti -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
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; RUN: llc -mtriple=amdgcn--amdhsa -mcpu=kaveri -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
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; RUN: llc -mtriple=amdgcn--amdhsa -mcpu=fiji -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
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; RUN: llc -global-isel -march=amdgcn -mcpu=tahiti -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
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; RUN: llc -global-isel -mtriple=amdgcn--amdhsa -mcpu=kaveri -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
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; RUN: llc -global-isel -mtriple=amdgcn--amdhsa -mcpu=fiji -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
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; GCN-LABEL: {{^}}s_getreg_test:
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; GCN: s_getreg_b32 s{{[0-9]+}}, hwreg(HW_REG_LDS_ALLOC, 8, 23)
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define amdgpu_kernel void @s_getreg_test(i32 addrspace(1)* %out) { ; simm16=45574 for lds size.
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%lds_size_64dwords = call i32 @llvm.amdgcn.s.getreg(i32 45574)
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%lds_size_bytes = shl i32 %lds_size_64dwords, 8
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store i32 %lds_size_bytes, i32 addrspace(1)* %out
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ret void
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}
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; Call site has additional readnone knowledge.
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; GCN-LABEL: {{^}}readnone_s_getreg_test:
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; GCN: s_getreg_b32 s{{[0-9]+}}, hwreg(HW_REG_LDS_ALLOC, 8, 23)
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define amdgpu_kernel void @readnone_s_getreg_test(i32 addrspace(1)* %out) { ; simm16=45574 for lds size.
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%lds_size_64dwords = call i32 @llvm.amdgcn.s.getreg(i32 45574) #1
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%lds_size_bytes = shl i32 %lds_size_64dwords, 8
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store i32 %lds_size_bytes, i32 addrspace(1)* %out
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ret void
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}
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declare i32 @llvm.amdgcn.s.getreg(i32 immarg) #0
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attributes #0 = { nounwind readonly }
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attributes #1 = { nounwind readnone }
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