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https://github.com/c64scene-ar/llvm-6502.git
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R600/SI: Implement getOptimalMemOpType
The default guess uses i32. This needs an address space argument to really do the right thing in all cases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@214104 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
parent
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commit
3a5e9cb146
@ -274,6 +274,26 @@ bool SITargetLowering::allowsMisalignedMemoryAccesses(EVT VT,
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return VT.bitsGT(MVT::i32);
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return VT.bitsGT(MVT::i32);
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}
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}
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EVT SITargetLowering::getOptimalMemOpType(uint64_t Size, unsigned DstAlign,
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unsigned SrcAlign, bool IsMemset,
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bool ZeroMemset,
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bool MemcpyStrSrc,
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MachineFunction &MF) const {
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// FIXME: Should account for address space here.
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// The default fallback uses the private pointer size as a guess for a type to
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// use. Make sure we switch these to 64-bit accesses.
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if (Size >= 16 && DstAlign >= 4) // XXX: Should only do for global
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return MVT::v4i32;
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if (Size >= 8 && DstAlign >= 4)
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return MVT::v2i32;
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// Use the default.
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return MVT::Other;
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}
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TargetLoweringBase::LegalizeTypeAction
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TargetLoweringBase::LegalizeTypeAction
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SITargetLowering::getPreferredVectorAction(EVT VT) const {
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SITargetLowering::getPreferredVectorAction(EVT VT) const {
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if (VT.getVectorNumElements() != 1 && VT.getScalarType().bitsLE(MVT::i16))
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if (VT.getVectorNumElements() != 1 && VT.getScalarType().bitsLE(MVT::i16))
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@ -63,6 +63,12 @@ public:
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unsigned Align,
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unsigned Align,
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bool *IsFast) const override;
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bool *IsFast) const override;
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EVT getOptimalMemOpType(uint64_t Size, unsigned DstAlign,
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unsigned SrcAlign, bool IsMemset,
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bool ZeroMemset,
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bool MemcpyStrSrc,
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MachineFunction &MF) const override;
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TargetLoweringBase::LegalizeTypeAction
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TargetLoweringBase::LegalizeTypeAction
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getPreferredVectorAction(EVT VT) const override;
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getPreferredVectorAction(EVT VT) const override;
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358
test/CodeGen/R600/llvm.memcpy.ll
Normal file
358
test/CodeGen/R600/llvm.memcpy.ll
Normal file
@ -0,0 +1,358 @@
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; RUN: llc -march=r600 -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
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declare void @llvm.memcpy.p3i8.p3i8.i32(i8 addrspace(3)* nocapture, i8 addrspace(3)* nocapture, i32, i32, i1) nounwind
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declare void @llvm.memcpy.p1i8.p1i8.i64(i8 addrspace(1)* nocapture, i8 addrspace(1)* nocapture, i64, i32, i1) nounwind
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; FUNC-LABEL: @test_small_memcpy_i64_lds_to_lds_align1
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; SI: DS_READ_U8
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; SI: DS_WRITE_B8
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; SI: DS_READ_U8
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; SI: DS_WRITE_B8
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; SI: DS_READ_U8
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; SI: DS_WRITE_B8
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; SI: DS_READ_U8
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; SI: DS_WRITE_B8
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; SI: DS_READ_U8
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; SI: DS_WRITE_B8
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; SI: DS_READ_U8
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; SI: DS_WRITE_B8
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; SI: DS_READ_U8
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; SI: DS_WRITE_B8
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; SI: DS_READ_U8
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; SI: DS_WRITE_B8
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; SI: DS_READ_U8
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; SI: DS_WRITE_B8
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; SI: DS_READ_U8
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; SI: DS_WRITE_B8
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; SI: DS_READ_U8
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; SI: DS_WRITE_B8
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; SI: DS_READ_U8
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; SI: DS_WRITE_B8
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; SI: DS_READ_U8
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; SI: DS_WRITE_B8
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; SI: DS_READ_U8
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; SI: DS_WRITE_B8
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; SI: DS_READ_U8
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; SI: DS_WRITE_B8
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; SI: DS_READ_U8
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; SI: DS_WRITE_B8
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; SI: DS_READ_U8
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; SI: DS_WRITE_B8
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; SI: DS_READ_U8
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; SI: DS_WRITE_B8
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; SI: DS_READ_U8
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; SI: DS_WRITE_B8
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; SI: DS_READ_U8
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; SI: DS_WRITE_B8
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; SI: DS_READ_U8
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; SI: DS_WRITE_B8
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; SI: DS_READ_U8
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; SI: DS_WRITE_B8
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; SI: DS_READ_U8
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; SI: DS_WRITE_B8
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; SI: DS_READ_U8
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; SI: DS_WRITE_B8
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; SI: DS_READ_U8
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; SI: DS_WRITE_B8
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; SI: DS_READ_U8
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; SI: DS_WRITE_B8
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; SI: DS_READ_U8
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; SI: DS_WRITE_B8
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; SI: DS_READ_U8
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; SI: DS_WRITE_B8
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; SI: DS_READ_U8
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; SI: DS_WRITE_B8
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; SI: DS_READ_U8
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; SI: DS_WRITE_B8
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; SI: DS_READ_U8
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; SI: DS_WRITE_B8
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; SI: DS_READ_U8
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; SI: DS_WRITE_B8
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; SI: S_ENDPGM
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define void @test_small_memcpy_i64_lds_to_lds_align1(i64 addrspace(3)* noalias %out, i64 addrspace(3)* noalias %in) nounwind {
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%bcin = bitcast i64 addrspace(3)* %in to i8 addrspace(3)*
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%bcout = bitcast i64 addrspace(3)* %out to i8 addrspace(3)*
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call void @llvm.memcpy.p3i8.p3i8.i32(i8 addrspace(3)* %bcout, i8 addrspace(3)* %bcin, i32 32, i32 1, i1 false) nounwind
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ret void
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}
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; FUNC-LABEL: @test_small_memcpy_i64_lds_to_lds_align2
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; SI: DS_READ_U16
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; SI: DS_WRITE_B16
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; SI: DS_READ_U16
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; SI: DS_WRITE_B16
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; SI: DS_READ_U16
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; SI: DS_WRITE_B16
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; SI: DS_READ_U16
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; SI: DS_WRITE_B16
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; SI: DS_READ_U16
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; SI: DS_WRITE_B16
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; SI: DS_READ_U16
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; SI: DS_WRITE_B16
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; SI: DS_READ_U16
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; SI: DS_WRITE_B16
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; SI: DS_READ_U16
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; SI: DS_WRITE_B16
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; SI: DS_READ_U16
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; SI: DS_WRITE_B16
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; SI: DS_READ_U16
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; SI: DS_WRITE_B16
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; SI: DS_READ_U16
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; SI: DS_WRITE_B16
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; SI: DS_READ_U16
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; SI: DS_WRITE_B16
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; SI: DS_READ_U16
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; SI: DS_WRITE_B16
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; SI: DS_READ_U16
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; SI: DS_WRITE_B16
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; SI: DS_READ_U16
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; SI: DS_WRITE_B16
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; SI: DS_READ_U16
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; SI: DS_WRITE_B16
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; SI: S_ENDPGM
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define void @test_small_memcpy_i64_lds_to_lds_align2(i64 addrspace(3)* noalias %out, i64 addrspace(3)* noalias %in) nounwind {
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%bcin = bitcast i64 addrspace(3)* %in to i8 addrspace(3)*
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%bcout = bitcast i64 addrspace(3)* %out to i8 addrspace(3)*
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call void @llvm.memcpy.p3i8.p3i8.i32(i8 addrspace(3)* %bcout, i8 addrspace(3)* %bcin, i32 32, i32 2, i1 false) nounwind
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ret void
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}
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; FUNC-LABEL: @test_small_memcpy_i64_lds_to_lds_align4
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; SI-DAG: DS_READ_B32
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; SI-DAG: DS_WRITE_B32
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; SI-DAG: DS_READ_B32
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; SI-DAG: DS_WRITE_B32
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; SI-DAG: DS_READ_B32
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; SI-DAG: DS_WRITE_B32
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; SI-DAG: DS_READ_B32
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; SI-DAG: DS_WRITE_B32
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; SI-DAG: DS_READ_B32
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; SI-DAG: DS_WRITE_B32
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; SI-DAG: DS_READ_B32
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; SI-DAG: DS_WRITE_B32
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; SI-DAG: DS_READ_B32
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; SI-DAG: DS_WRITE_B32
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; SI-DAG: DS_READ_B32
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; SI-DAG: DS_WRITE_B32
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; SI-DAG: DS_READ_B32
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; SI-DAG: DS_WRITE_B32
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; SI: S_ENDPGM
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define void @test_small_memcpy_i64_lds_to_lds_align4(i64 addrspace(3)* noalias %out, i64 addrspace(3)* noalias %in) nounwind {
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%bcin = bitcast i64 addrspace(3)* %in to i8 addrspace(3)*
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%bcout = bitcast i64 addrspace(3)* %out to i8 addrspace(3)*
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call void @llvm.memcpy.p3i8.p3i8.i32(i8 addrspace(3)* %bcout, i8 addrspace(3)* %bcin, i32 32, i32 4, i1 false) nounwind
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ret void
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}
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; FIXME: Use 64-bit ops
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; FUNC-LABEL: @test_small_memcpy_i64_lds_to_lds_align8
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; SI-DAG: DS_READ_B32
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; SI-DAG: DS_WRITE_B32
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; SI-DAG: DS_READ_B32
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; SI-DAG: DS_WRITE_B32
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; SI-DAG: DS_READ_B32
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; SI-DAG: DS_WRITE_B32
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; SI-DAG: DS_READ_B32
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; SI-DAG: DS_WRITE_B32
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; SI-DAG: DS_READ_B32
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; SI-DAG: DS_WRITE_B32
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; SI-DAG: DS_READ_B32
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; SI-DAG: DS_WRITE_B32
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; SI-DAG: DS_READ_B32
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; SI-DAG: DS_WRITE_B32
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; SI-DAG: DS_READ_B32
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; SI-DAG: DS_WRITE_B32
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; SI-DAG: DS_READ_B32
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; SI-DAG: DS_WRITE_B32
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; SI-DAG: S_ENDPGM
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define void @test_small_memcpy_i64_lds_to_lds_align8(i64 addrspace(3)* noalias %out, i64 addrspace(3)* noalias %in) nounwind {
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%bcin = bitcast i64 addrspace(3)* %in to i8 addrspace(3)*
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%bcout = bitcast i64 addrspace(3)* %out to i8 addrspace(3)*
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call void @llvm.memcpy.p3i8.p3i8.i32(i8 addrspace(3)* %bcout, i8 addrspace(3)* %bcin, i32 32, i32 8, i1 false) nounwind
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ret void
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}
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; FUNC-LABEL: @test_small_memcpy_i64_global_to_global_align1
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; SI-DAG: BUFFER_LOAD_UBYTE
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; SI-DAG: BUFFER_STORE_BYTE
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; SI-DAG: BUFFER_LOAD_UBYTE
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; SI-DAG: BUFFER_STORE_BYTE
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; SI-DAG: BUFFER_LOAD_UBYTE
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; SI-DAG: BUFFER_STORE_BYTE
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; SI-DAG: BUFFER_LOAD_UBYTE
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; SI-DAG: BUFFER_STORE_BYTE
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; SI-DAG: BUFFER_LOAD_UBYTE
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; SI-DAG: BUFFER_STORE_BYTE
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; SI-DAG: BUFFER_LOAD_UBYTE
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; SI-DAG: BUFFER_STORE_BYTE
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; SI-DAG: BUFFER_LOAD_UBYTE
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; SI-DAG: BUFFER_STORE_BYTE
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; SI-DAG: BUFFER_LOAD_UBYTE
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; SI-DAG: BUFFER_STORE_BYTE
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; SI-DAG: BUFFER_LOAD_UBYTE
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; SI-DAG: BUFFER_STORE_BYTE
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; SI-DAG: BUFFER_LOAD_UBYTE
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; SI-DAG: BUFFER_STORE_BYTE
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; SI-DAG: BUFFER_LOAD_UBYTE
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; SI-DAG: BUFFER_STORE_BYTE
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; SI-DAG: BUFFER_LOAD_UBYTE
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; SI-DAG: BUFFER_STORE_BYTE
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; SI-DAG: BUFFER_LOAD_UBYTE
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; SI-DAG: BUFFER_STORE_BYTE
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; SI-DAG: BUFFER_LOAD_UBYTE
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; SI-DAG: BUFFER_STORE_BYTE
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; SI-DAG: BUFFER_LOAD_UBYTE
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; SI-DAG: BUFFER_STORE_BYTE
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; SI-DAG: BUFFER_LOAD_UBYTE
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; SI-DAG: BUFFER_STORE_BYTE
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; SI-DAG: BUFFER_LOAD_UBYTE
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; SI-DAG: BUFFER_STORE_BYTE
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; SI-DAG: BUFFER_LOAD_UBYTE
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; SI-DAG: BUFFER_STORE_BYTE
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; SI-DAG: BUFFER_LOAD_UBYTE
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; SI-DAG: BUFFER_STORE_BYTE
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; SI-DAG: BUFFER_LOAD_UBYTE
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; SI-DAG: BUFFER_STORE_BYTE
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; SI-DAG: BUFFER_LOAD_UBYTE
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; SI-DAG: BUFFER_STORE_BYTE
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; SI-DAG: BUFFER_LOAD_UBYTE
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; SI-DAG: BUFFER_STORE_BYTE
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; SI-DAG: BUFFER_LOAD_UBYTE
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; SI-DAG: BUFFER_STORE_BYTE
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; SI-DAG: BUFFER_LOAD_UBYTE
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; SI-DAG: BUFFER_STORE_BYTE
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; SI-DAG: BUFFER_LOAD_UBYTE
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; SI-DAG: BUFFER_STORE_BYTE
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; SI-DAG: BUFFER_LOAD_UBYTE
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; SI-DAG: BUFFER_STORE_BYTE
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; SI-DAG: BUFFER_LOAD_UBYTE
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; SI-DAG: BUFFER_STORE_BYTE
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; SI-DAG: BUFFER_LOAD_UBYTE
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; SI-DAG: BUFFER_STORE_BYTE
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; SI-DAG: BUFFER_LOAD_UBYTE
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; SI-DAG: BUFFER_STORE_BYTE
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; SI-DAG: BUFFER_LOAD_UBYTE
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; SI-DAG: BUFFER_STORE_BYTE
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; SI-DAG: BUFFER_LOAD_UBYTE
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; SI-DAG: BUFFER_STORE_BYTE
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; SI-DAG: BUFFER_LOAD_UBYTE
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; SI-DAG: BUFFER_STORE_BYTE
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; SI: S_ENDPGM
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define void @test_small_memcpy_i64_global_to_global_align1(i64 addrspace(1)* noalias %out, i64 addrspace(1)* noalias %in) nounwind {
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%bcin = bitcast i64 addrspace(1)* %in to i8 addrspace(1)*
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%bcout = bitcast i64 addrspace(1)* %out to i8 addrspace(1)*
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call void @llvm.memcpy.p1i8.p1i8.i64(i8 addrspace(1)* %bcout, i8 addrspace(1)* %bcin, i64 32, i32 1, i1 false) nounwind
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ret void
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}
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; FUNC-LABEL: @test_small_memcpy_i64_global_to_global_align2
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; SI-DAG: BUFFER_LOAD_USHORT
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; SI-DAG: BUFFER_STORE_SHORT
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; SI-DAG: BUFFER_LOAD_USHORT
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; SI-DAG: BUFFER_STORE_SHORT
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; SI-DAG: BUFFER_LOAD_USHORT
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; SI-DAG: BUFFER_STORE_SHORT
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; SI-DAG: BUFFER_LOAD_USHORT
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||||||
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; SI-DAG: BUFFER_STORE_SHORT
|
||||||
|
; SI-DAG: BUFFER_LOAD_USHORT
|
||||||
|
; SI-DAG: BUFFER_STORE_SHORT
|
||||||
|
; SI-DAG: BUFFER_LOAD_USHORT
|
||||||
|
; SI-DAG: BUFFER_STORE_SHORT
|
||||||
|
; SI-DAG: BUFFER_LOAD_USHORT
|
||||||
|
; SI-DAG: BUFFER_STORE_SHORT
|
||||||
|
; SI-DAG: BUFFER_LOAD_USHORT
|
||||||
|
; SI-DAG: BUFFER_STORE_SHORT
|
||||||
|
|
||||||
|
; SI-DAG: BUFFER_LOAD_USHORT
|
||||||
|
; SI-DAG: BUFFER_STORE_SHORT
|
||||||
|
; SI-DAG: BUFFER_LOAD_USHORT
|
||||||
|
; SI-DAG: BUFFER_STORE_SHORT
|
||||||
|
; SI-DAG: BUFFER_LOAD_USHORT
|
||||||
|
; SI-DAG: BUFFER_STORE_SHORT
|
||||||
|
; SI-DAG: BUFFER_LOAD_USHORT
|
||||||
|
; SI-DAG: BUFFER_STORE_SHORT
|
||||||
|
; SI-DAG: BUFFER_LOAD_USHORT
|
||||||
|
; SI-DAG: BUFFER_STORE_SHORT
|
||||||
|
; SI-DAG: BUFFER_LOAD_USHORT
|
||||||
|
; SI-DAG: BUFFER_STORE_SHORT
|
||||||
|
; SI-DAG: BUFFER_LOAD_USHORT
|
||||||
|
; SI-DAG: BUFFER_STORE_SHORT
|
||||||
|
; SI-DAG: BUFFER_LOAD_USHORT
|
||||||
|
; SI-DAG: BUFFER_STORE_SHORT
|
||||||
|
|
||||||
|
; SI: S_ENDPGM
|
||||||
|
define void @test_small_memcpy_i64_global_to_global_align2(i64 addrspace(1)* noalias %out, i64 addrspace(1)* noalias %in) nounwind {
|
||||||
|
%bcin = bitcast i64 addrspace(1)* %in to i8 addrspace(1)*
|
||||||
|
%bcout = bitcast i64 addrspace(1)* %out to i8 addrspace(1)*
|
||||||
|
call void @llvm.memcpy.p1i8.p1i8.i64(i8 addrspace(1)* %bcout, i8 addrspace(1)* %bcin, i64 32, i32 2, i1 false) nounwind
|
||||||
|
ret void
|
||||||
|
}
|
||||||
|
|
||||||
|
; FUNC-LABEL: @test_small_memcpy_i64_global_to_global_align4
|
||||||
|
; SI: BUFFER_LOAD_DWORDX4
|
||||||
|
; SI: BUFFER_STORE_DWORDX4
|
||||||
|
; SI: BUFFER_LOAD_DWORDX4
|
||||||
|
; SI: BUFFER_STORE_DWORDX4
|
||||||
|
; SI: S_ENDPGM
|
||||||
|
define void @test_small_memcpy_i64_global_to_global_align4(i64 addrspace(1)* noalias %out, i64 addrspace(1)* noalias %in) nounwind {
|
||||||
|
%bcin = bitcast i64 addrspace(1)* %in to i8 addrspace(1)*
|
||||||
|
%bcout = bitcast i64 addrspace(1)* %out to i8 addrspace(1)*
|
||||||
|
call void @llvm.memcpy.p1i8.p1i8.i64(i8 addrspace(1)* %bcout, i8 addrspace(1)* %bcin, i64 32, i32 4, i1 false) nounwind
|
||||||
|
ret void
|
||||||
|
}
|
||||||
|
|
||||||
|
; FUNC-LABEL: @test_small_memcpy_i64_global_to_global_align8
|
||||||
|
; SI: BUFFER_LOAD_DWORDX4
|
||||||
|
; SI: BUFFER_STORE_DWORDX4
|
||||||
|
; SI: BUFFER_LOAD_DWORDX4
|
||||||
|
; SI: BUFFER_STORE_DWORDX4
|
||||||
|
; SI: S_ENDPGM
|
||||||
|
define void @test_small_memcpy_i64_global_to_global_align8(i64 addrspace(1)* noalias %out, i64 addrspace(1)* noalias %in) nounwind {
|
||||||
|
%bcin = bitcast i64 addrspace(1)* %in to i8 addrspace(1)*
|
||||||
|
%bcout = bitcast i64 addrspace(1)* %out to i8 addrspace(1)*
|
||||||
|
call void @llvm.memcpy.p1i8.p1i8.i64(i8 addrspace(1)* %bcout, i8 addrspace(1)* %bcin, i64 32, i32 8, i1 false) nounwind
|
||||||
|
ret void
|
||||||
|
}
|
||||||
|
|
||||||
|
; FUNC-LABEL: @test_small_memcpy_i64_global_to_global_align16
|
||||||
|
; SI: BUFFER_LOAD_DWORDX4
|
||||||
|
; SI: BUFFER_STORE_DWORDX4
|
||||||
|
; SI: BUFFER_LOAD_DWORDX4
|
||||||
|
; SI: BUFFER_STORE_DWORDX4
|
||||||
|
; SI: S_ENDPGM
|
||||||
|
define void @test_small_memcpy_i64_global_to_global_align16(i64 addrspace(1)* noalias %out, i64 addrspace(1)* noalias %in) nounwind {
|
||||||
|
%bcin = bitcast i64 addrspace(1)* %in to i8 addrspace(1)*
|
||||||
|
%bcout = bitcast i64 addrspace(1)* %out to i8 addrspace(1)*
|
||||||
|
call void @llvm.memcpy.p1i8.p1i8.i64(i8 addrspace(1)* %bcout, i8 addrspace(1)* %bcin, i64 32, i32 16, i1 false) nounwind
|
||||||
|
ret void
|
||||||
|
}
|
Loading…
x
Reference in New Issue
Block a user