derek.holloway
7502bf64a4
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61 lines
3.2 KiB
TableGen
61 lines
3.2 KiB
TableGen
// RUN: llvm-tblgen %s -gen-global-isel -optimize-match-table=false -I %p/../../../include -I %p/../Common | FileCheck %s
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include "llvm/Target/Target.td"
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include "GlobalISelEmitterCommon.td"
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def InstThreeOperands : I<(outs GPR32:$dst), (ins GPR32:$cond, GPR32:$src,GPR32:$src2), []>;
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class SrlPF<bit IC>: PatFrag<
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(ops node:$PATFRAG_Src0, node:$src1),
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(srl $PATFRAG_Src0, $src1)>, GISelFlags {
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let GIIgnoreCopies = IC;
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}
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// GIIgnoreCopies on Pattern
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// MIs[1] should be using IgnoreCopies variants.
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let GIIgnoreCopies = 1 in
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def : Pat<
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(i32 (sub (mul i32:$src0, i32:$src0), i32:$src1)),
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(InstThreeOperands GPR32:$src0, GPR32:$src1, GPR32:$src1)
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>, GISelFlags;
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// GIIgnoreCopies set on "root" PatFrag.
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// MIs[1] and MIs[2] should be using IgnoreCopies variants.
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def : Pat<
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(i32 (SrlPF<1> (shl (mul i32:$src0, i32:$src0), i32:$src1), i32:$src0)),
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(InstThreeOperands GPR32:$src0, GPR32:$src1, GPR32:$src1)
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>;
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// GIIgnoreCopies set on "root" PatFrag, but a children PatFrag forces it back to zero.
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// MIs[1] should be using IgnoreCopies variants.
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// MIs[2] should NOT be using them.
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def : Pat<
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(i32 (SrlPF<1> (SrlPF<0> (add i32:$src0, i32:$src0), i32:$src1), i32:$src0)),
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(InstThreeOperands GPR32:$src0, GPR32:$src1, GPR32:$src1)
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>;
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// CHECK: GIM_Try
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// CHECK: GIM_RecordInsnIgnoreCopies, /*DefineMI*/1, /*MI*/0, /*OpIdx*/1, // MIs[1]
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// CHECK: GIM_CheckOpcode, /*MI*/1, GIMT_Encode2(TargetOpcode::G_LSHR)
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// CHECK: GIM_RecordInsn, /*DefineMI*/2, /*MI*/1, /*OpIdx*/1, // MIs[2]
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// CHECK: GIM_CheckOpcode, /*MI*/2, GIMT_Encode2(TargetOpcode::G_ADD)
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// CHECK: GIM_CheckIsSameOperand, /*MI*/2, /*OpIdx*/2, /*OtherMI*/2, /*OtherOpIdx*/1
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// CHECK: GIM_CheckIsSameOperandIgnoreCopies, /*MI*/0, /*OpIdx*/2, /*OtherMI*/2, /*OtherOpIdx*/1
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// CHECK: // (srl:{ *:[i32] } (srl:{ *:[i32] } (add:{ *:[i32] } i32:{ *:[i32] }:$src0, i32:{ *:[i32] }:$src0), i32:{ *:[i32] }:$src1), i32:{ *:[i32] }:$src0)
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// CHECK: GIR_EraseRootFromParent_Done
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// CHECK: GIM_Try
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// CHECK: GIM_RecordInsnIgnoreCopies, /*DefineMI*/1, /*MI*/0, /*OpIdx*/1, // MIs[1]
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// CHECK: GIM_CheckOpcode, /*MI*/1, GIMT_Encode2(TargetOpcode::G_SHL)
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// CHECK: GIM_RecordInsnIgnoreCopies, /*DefineMI*/2, /*MI*/1, /*OpIdx*/1, // MIs[2]
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// CHECK: GIM_CheckOpcode, /*MI*/2, GIMT_Encode2(TargetOpcode::G_MUL)
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// CHECK: GIM_CheckIsSameOperandIgnoreCopies, /*MI*/2, /*OpIdx*/2, /*OtherMI*/2, /*OtherOpIdx*/1
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// CHECK: GIM_CheckIsSameOperandIgnoreCopies, /*MI*/0, /*OpIdx*/2, /*OtherMI*/2, /*OtherOpIdx*/1
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// CHECK: // (srl:{ *:[i32] } (shl:{ *:[i32] } (mul:{ *:[i32] } i32:{ *:[i32] }:$src0, i32:{ *:[i32] }:$src0), i32:{ *:[i32] }:$src1), i32:{ *:[i32] }:$src0)
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// CHECK: GIR_EraseRootFromParent_Done
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// CHECK: GIM_Try
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// CHECK: GIM_RecordInsnIgnoreCopies, /*DefineMI*/1, /*MI*/0, /*OpIdx*/1, // MIs[1]
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// CHECK: GIM_CheckOpcode, /*MI*/1, GIMT_Encode2(TargetOpcode::G_MUL)
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// CHECK: GIM_CheckIsSameOperandIgnoreCopies, /*MI*/1, /*OpIdx*/2, /*OtherMI*/1, /*OtherOpIdx*/1
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// CHECK: // (sub:{ *:[i32] } (mul:{ *:[i32] } i32:{ *:[i32] }:$src0, i32:{ *:[i32] }:$src0), i32:{ *:[i32] }:$src1) => (InstThreeOperands:{ *:[i32] } GPR32:{ *:[i32] }:$src0, GPR32:{ *:[i32] }:$src1, GPR32:{ *:[i32] }:$src1)
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// CHECK: GIR_EraseRootFromParent_Done
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