17 lines
705 B
LLVM
17 lines
705 B
LLVM
; RUN: llc -march=amdgcn -mcpu=tahiti -verify-machineinstrs < %s | FileCheck %s
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; RUN: llc -mtriple=amdgcn--amdhsa -mcpu=kaveri -verify-machineinstrs < %s | FileCheck %s
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; RUN: llc -mtriple=amdgcn--amdhsa -mcpu=fiji -verify-machineinstrs < %s | FileCheck %s
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; FUNC-LABEL: {{^}}s_getreg_test:
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; CHECK: s_getreg_b32 s{{[0-9]+}}, hwreg(HW_REG_LDS_ALLOC, 8, 23)
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define 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) #0
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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) #0
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attributes #0 = { nounwind readonly}
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