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; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
declare i32 @llvm.AMDGPU.flbit.i32(i32) nounwind readnone
; FUNC-LABEL: {{^}}s_flbit:
; SI: s_load_dword [[VAL:s[0-9]+]],
; SI: s_flbit_i32 [[SRESULT:s[0-9]+]], [[VAL]]
; SI: v_mov_b32_e32 [[VRESULT:v[0-9]+]], [[SRESULT]]
; SI: buffer_store_dword [[VRESULT]],
; SI: s_endpgm
define void @s_flbit(i32 addrspace(1)* noalias %out, i32 %val) nounwind {
%r = call i32 @llvm.AMDGPU.flbit.i32(i32 %val) nounwind readnone
store i32 %r, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: {{^}}v_flbit:
; SI: buffer_load_dword [[VAL:v[0-9]+]],
; SI: v_ffbh_i32_e32 [[RESULT:v[0-9]+]], [[VAL]]
; SI: buffer_store_dword [[RESULT]],
; SI: s_endpgm
define void @v_flbit(i32 addrspace(1)* noalias %out, i32 addrspace(1)* noalias %valptr) nounwind {
%val = load i32, i32 addrspace(1)* %valptr, align 4
%r = call i32 @llvm.AMDGPU.flbit.i32(i32 %val) nounwind readnone
store i32 %r, i32 addrspace(1)* %out, align 4
ret void
}
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