llvm-project/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.s.getreg.ll

17 lines
681 B
LLVM

; RUN: llc -march=amdgcn -mcpu=tahiti -verify-machineinstrs < %s | FileCheck %s
; RUN: llc -mtriple=amdgcn--amdhsa -mcpu=kaveri -verify-machineinstrs < %s | FileCheck %s
; RUN: llc -mtriple=amdgcn--amdhsa -mcpu=fiji -verify-machineinstrs < %s | FileCheck %s
; FUNC-LABEL: {{^}}s_getreg_test:
; CHECK: s_getreg_b32 s{{[0-9]+}}, 0xb206
define void @s_getreg_test(i32 addrspace(1)* %out) { ; simm16=45574 for lds size.
%lds_size_64dwords = call i32 @llvm.amdgcn.s.getreg(i32 45574) #0
%lds_size_bytes = shl i32 %lds_size_64dwords, 8
store i32 %lds_size_bytes, i32 addrspace(1)* %out
ret void
}
declare i32 @llvm.amdgcn.s.getreg(i32) #0
attributes #0 = { nounwind readonly}