forked from OSchip/llvm-project
39 lines
1.9 KiB
LLVM
39 lines
1.9 KiB
LLVM
; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
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; RUN: llc -march=r600 -mcpu=cayman -verify-machineinstrs < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
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; RUN: llc -march=r600 -mcpu=redwood -verify-machineinstrs < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
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; XUN: llc -march=r600 -mcpu=r600 -verify-machineinstrs < %s | FileCheck -check-prefix=R600 -check-prefix=FUNC %s
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; XUN: llc -march=r600 -mcpu=rv770 -verify-machineinstrs < %s | FileCheck -check-prefix=R600 -check-prefix=FUNC %s
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declare i32 @llvm.AMDGPU.umad24(i32, i32, i32) nounwind readnone
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declare i32 @llvm.r600.read.tidig.x() nounwind readnone
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; FUNC-LABEL: {{^}}test_umad24:
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; SI: v_mad_u32_u24
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; EG: MULADD_UINT24
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; R600: MULLO_UINT
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; R600: ADD_INT
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define void @test_umad24(i32 addrspace(1)* %out, i32 %src0, i32 %src1, i32 %src2) nounwind {
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%mad = call i32 @llvm.AMDGPU.umad24(i32 %src0, i32 %src1, i32 %src2) nounwind readnone
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store i32 %mad, i32 addrspace(1)* %out, align 4
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ret void
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}
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; FUNC-LABEL: {{^}}commute_umad24:
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; SI-DAG: buffer_load_dword [[SRC0:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
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; SI-DAG: buffer_load_dword [[SRC2:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4
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; SI: v_mad_u32_u24 [[RESULT:v[0-9]+]], 4, [[SRC0]], [[SRC2]]
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; SI: buffer_store_dword [[RESULT]]
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define void @commute_umad24(i32 addrspace(1)* %out, i32 addrspace(1)* %in) nounwind {
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%tid = call i32 @llvm.r600.read.tidig.x() nounwind readnone
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%out.gep = getelementptr i32 addrspace(1)* %out, i32 %tid
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%src0.gep = getelementptr i32 addrspace(1)* %out, i32 %tid
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%src2.gep = getelementptr i32 addrspace(1)* %src0.gep, i32 1
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%src0 = load i32 addrspace(1)* %src0.gep, align 4
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%src2 = load i32 addrspace(1)* %src2.gep, align 4
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%mad = call i32 @llvm.AMDGPU.umad24(i32 %src0, i32 4, i32 %src2) nounwind readnone
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store i32 %mad, i32 addrspace(1)* %out.gep, align 4
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ret void
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}
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