1 ; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s 2 ; RUN: llc -march=r600 -mcpu=cayman -verify-machineinstrs < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s 3 ; RUN: llc -march=r600 -mcpu=redwood -verify-machineinstrs < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s 4 ; XUN: llc -march=r600 -mcpu=r600 -verify-machineinstrs < %s | FileCheck -check-prefix=R600 -check-prefix=FUNC %s 5 ; XUN: llc -march=r600 -mcpu=rv770 -verify-machineinstrs < %s | FileCheck -check-prefix=R600 -check-prefix=FUNC %s 6 7 declare i32 @llvm.AMDGPU.umad24(i32, i32, i32) nounwind readnone 8 declare i32 @llvm.r600.read.tidig.x() nounwind readnone 9 10 ; FUNC-LABEL: {{^}}test_umad24: 11 ; SI: v_mad_u32_u24 12 ; EG: MULADD_UINT24 13 ; R600: MULLO_UINT 14 ; R600: ADD_INT 15 define void @test_umad24(i32 addrspace(1)* %out, i32 %src0, i32 %src1, i32 %src2) nounwind { 16 %mad = call i32 @llvm.AMDGPU.umad24(i32 %src0, i32 %src1, i32 %src2) nounwind readnone 17 store i32 %mad, i32 addrspace(1)* %out, align 4 18 ret void 19 } 20 21 ; FUNC-LABEL: {{^}}commute_umad24: 22 ; SI-DAG: buffer_load_dword [[SRC0:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}} 23 ; SI-DAG: buffer_load_dword [[SRC2:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4 24 ; SI: v_mad_u32_u24 [[RESULT:v[0-9]+]], 4, [[SRC0]], [[SRC2]] 25 ; SI: buffer_store_dword [[RESULT]] 26 define void @commute_umad24(i32 addrspace(1)* %out, i32 addrspace(1)* %in) nounwind { 27 %tid = call i32 @llvm.r600.read.tidig.x() nounwind readnone 28 %out.gep = getelementptr i32, i32 addrspace(1)* %out, i32 %tid 29 %src0.gep = getelementptr i32, i32 addrspace(1)* %out, i32 %tid 30 %src2.gep = getelementptr i32, i32 addrspace(1)* %src0.gep, i32 1 31 32 %src0 = load i32, i32 addrspace(1)* %src0.gep, align 4 33 %src2 = load i32, i32 addrspace(1)* %src2.gep, align 4 34 %mad = call i32 @llvm.AMDGPU.umad24(i32 %src0, i32 4, i32 %src2) nounwind readnone 35 store i32 %mad, i32 addrspace(1)* %out.gep, align 4 36 ret void 37 } 38 39
