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-rw-r--r--llvm/include/llvm/CodeGen/GlobalISel/InstructionSelectorImpl.h15
-rw-r--r--llvm/test/TableGen/GlobalISelEmitter.td200
-rw-r--r--llvm/utils/TableGen/GlobalISelEmitter.cpp54
3 files changed, 198 insertions, 71 deletions
diff --git a/llvm/include/llvm/CodeGen/GlobalISel/InstructionSelectorImpl.h b/llvm/include/llvm/CodeGen/GlobalISel/InstructionSelectorImpl.h
index 1aef54478c7..b3d7942196a 100644
--- a/llvm/include/llvm/CodeGen/GlobalISel/InstructionSelectorImpl.h
+++ b/llvm/include/llvm/CodeGen/GlobalISel/InstructionSelectorImpl.h
@@ -58,6 +58,7 @@ bool InstructionSelector::executeMatchTable(
// As an optimisation we require that MIs[0] is always the root. Refuse
// any attempt to modify it.
assert(NewInsnID != 0 && "Refusing to modify MIs[0]");
+ (void)NewInsnID;
MachineOperand &MO = State.MIs[InsnID]->getOperand(OpIdx);
if (!MO.isReg()) {
@@ -73,14 +74,9 @@ bool InstructionSelector::executeMatchTable(
break;
}
- MachineInstr *NewMI = MRI.getVRegDef(MO.getReg());
- if ((size_t)NewInsnID < State.MIs.size())
- State.MIs[NewInsnID] = NewMI;
- else {
- assert((size_t)NewInsnID == State.MIs.size() &&
- "Expected to store MIs in order");
- State.MIs.push_back(NewMI);
- }
+ assert((size_t)NewInsnID == State.MIs.size() &&
+ "Expected to store MIs in order");
+ State.MIs.push_back(MRI.getVRegDef(MO.getReg()));
DEBUG(dbgs() << CurrentIdx << ": MIs[" << NewInsnID
<< "] = GIM_RecordInsn(" << InsnID << ", " << OpIdx
<< ")\n");
@@ -217,8 +213,7 @@ bool InstructionSelector::executeMatchTable(
assert(State.MIs[InsnID] != nullptr && "Used insn before defined");
MachineOperand &OM = State.MIs[InsnID]->getOperand(OpIdx);
if (!OM.isIntrinsicID() || OM.getIntrinsicID() != Value)
- if (handleReject() == RejectAndGiveUp)
- return false;
+ return false;
break;
}
case GIM_CheckIsMBB: {
diff --git a/llvm/test/TableGen/GlobalISelEmitter.td b/llvm/test/TableGen/GlobalISelEmitter.td
index 8c32615fe08..fa9db0260a0 100644
--- a/llvm/test/TableGen/GlobalISelEmitter.td
+++ b/llvm/test/TableGen/GlobalISelEmitter.td
@@ -96,7 +96,7 @@ def HasC : Predicate<"Subtarget->hasC()"> { let RecomputePerFunction = 1; }
//
// CHECK-LABEL: MatchTable0[] = {
-// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 0*/ [[LABEL:[0-9]+]],
+// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 0*/ [[LABEL:[0-9]+]],
// CHECK-NEXT: GIM_CheckNumOperands, /*MI*/0, /*Expected*/4,
// CHECK-NEXT: GIM_CheckOpcode, /*MI*/0, TargetOpcode::G_SELECT,
// CHECK-NEXT: // MIs[0] dst
@@ -121,7 +121,14 @@ def HasC : Predicate<"Subtarget->hasC()"> { let RecomputePerFunction = 1; }
// CHECK-NEXT: GIR_EraseFromParent, /*InsnID*/0,
// CHECK-NEXT: GIR_ConstrainSelectedInstOperands, /*InsnID*/0,
// CHECK-NEXT: GIR_Done,
-// CHECK-NEXT: // Label 0: @[[LABEL]]
+// CHECK-NEXT: // Label 0: @[[LABEL]]
+// CHECK-NEXT: GIM_Reject,
+// CHECK-NEXT: };
+// CHECK-NEXT: MIs.resize(1);
+// CHECK-NEXT: DEBUG(dbgs() << "Processing MatchTable0\n");
+// CHECK-NEXT: if (executeMatchTable(*this, OutMIs, State, MatcherInfo, MatchTable0, TII, MRI, TRI, RBI, AvailableFeatures)) {
+// CHECK-NEXT: return true;
+// CHECK-NEXT: }
def INSN3 : I<(outs GPR32:$dst),
(ins GPR32Op:$src1, complex:$src2, GPR32:$src3, complex:$src4, complex:$src5), []>;
@@ -131,7 +138,8 @@ def : Pat<(select GPR32:$src1, complex:$src2, (select GPR32:$src3, complex:$src4
//===- Test a pattern with multiple ComplexPattern operands. --------------===//
//
-// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 1*/ [[LABEL:[0-9]+]],
+// CHECK-LABEL: MatchTable1[] = {
+// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 0*/ [[LABEL:[0-9]+]],
// CHECK-NEXT: GIM_CheckNumOperands, /*MI*/0, /*Expected*/4,
// CHECK-NEXT: GIM_RecordInsn, /*DefineMI*/1, /*MI*/0, /*OpIdx*/3, // MIs[1]
// CHECK-NEXT: GIM_CheckNumOperands, /*MI*/1, /*Expected*/4,
@@ -172,7 +180,14 @@ def : Pat<(select GPR32:$src1, complex:$src2, (select GPR32:$src3, complex:$src4
// CHECK-NEXT: GIR_EraseFromParent, /*InsnID*/0,
// CHECK-NEXT: GIR_ConstrainSelectedInstOperands, /*InsnID*/0,
// CHECK-NEXT: GIR_Done,
-// CHECK-NEXT: // Label 1: @[[LABEL]]
+// CHECK-NEXT: // Label 0: @[[LABEL]]
+// CHECK-NEXT: GIM_Reject,
+// CHECK-NEXT: };
+// CHECK-NEXT: MIs.resize(1);
+// CHECK-NEXT: DEBUG(dbgs() << "Processing MatchTable1\n");
+// CHECK-NEXT: if (executeMatchTable(*this, OutMIs, State, MatcherInfo, MatchTable1, TII, MRI, TRI, RBI, AvailableFeatures)) {
+// CHECK-NEXT: return true;
+// CHECK-NEXT: }
def : GINodeEquiv<G_SELECT, select>;
def INSN2 : I<(outs GPR32:$dst), (ins GPR32Op:$src1, complex:$src2, complex:$src3), []>;
@@ -181,7 +196,8 @@ def : Pat<(select GPR32:$src1, complex:$src2, complex:$src3),
//===- Test a simple pattern with regclass operands. ----------------------===//
-// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 2*/ [[LABEL:[0-9]+]],
+// CHECK-LABEL: MatchTable2[] = {
+// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 0*/ [[LABEL:[0-9]+]],
// CHECK-NEXT: GIM_CheckNumOperands, /*MI*/0, /*Expected*/3,
// CHECK-NEXT: GIM_CheckOpcode, /*MI*/0, TargetOpcode::G_ADD,
// CHECK-NEXT: // MIs[0] dst
@@ -197,7 +213,14 @@ def : Pat<(select GPR32:$src1, complex:$src2, complex:$src3),
// CHECK-NEXT: GIR_MutateOpcode, /*InsnID*/0, /*RecycleInsnID*/0, /*Opcode*/MyTarget::ADD,
// CHECK-NEXT: GIR_ConstrainSelectedInstOperands, /*InsnID*/0,
// CHECK-NEXT: GIR_Done,
-// CHECK-NEXT: // Label 2: @[[LABEL]]
+// CHECK-NEXT: // Label 0: @[[LABEL]]
+// CHECK-NEXT: GIM_Reject,
+// CHECK-NEXT: };
+// CHECK-NEXT: MIs.resize(1);
+// CHECK-NEXT: DEBUG(dbgs() << "Processing MatchTable2\n");
+// CHECK-NEXT: if (executeMatchTable(*this, OutMIs, State, MatcherInfo, MatchTable2, TII, MRI, TRI, RBI, AvailableFeatures)) {
+// CHECK-NEXT: return true;
+// CHECK-NEXT: }
def ADD : I<(outs GPR32:$dst), (ins GPR32:$src1, GPR32:$src2),
[(set GPR32:$dst, (add GPR32:$src1, GPR32:$src2))]>;
@@ -205,7 +228,8 @@ def ADD : I<(outs GPR32:$dst), (ins GPR32:$src1, GPR32:$src2),
//===- Test a simple pattern with an intrinsic. ---------------------------===//
//
-// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 3*/ [[LABEL:[0-9]+]],
+// CHECK-LABEL: MatchTable3[] = {
+// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 0*/ [[LABEL:[0-9]+]],
// CHECK-NEXT: GIM_CheckNumOperands, /*MI*/0, /*Expected*/3,
// CHECK-NEXT: GIM_CheckOpcode, /*MI*/0, TargetOpcode::G_INTRINSIC,
// CHECK-NEXT: // MIs[0] dst
@@ -225,14 +249,22 @@ def ADD : I<(outs GPR32:$dst), (ins GPR32:$src1, GPR32:$src2),
// CHECK-NEXT: GIR_EraseFromParent, /*InsnID*/0,
// CHECK-NEXT: GIR_ConstrainSelectedInstOperands, /*InsnID*/0,
// CHECK-NEXT: GIR_Done,
-// CHECK-NEXT: // Label 3: @[[LABEL]]
+// CHECK-NEXT: // Label 0: @[[LABEL]]
+// CHECK-NEXT: GIM_Reject,
+// CHECK-NEXT: };
+// CHECK-NEXT: MIs.resize(1);
+// CHECK-NEXT: DEBUG(dbgs() << "Processing MatchTable3\n");
+// CHECK-NEXT: if (executeMatchTable(*this, OutMIs, State, MatcherInfo, MatchTable3, TII, MRI, TRI, RBI, AvailableFeatures)) {
+// CHECK-NEXT: return true;
+// CHECK-NEXT: }
def MOV : I<(outs GPR32:$dst), (ins GPR32:$src1),
[(set GPR32:$dst, (int_mytarget_nop GPR32:$src1))]>;
//===- Test a nested instruction match. -----------------------------------===//
-// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 4*/ [[LABEL:[0-9]+]],
+// CHECK-LABEL: MatchTable4[] = {
+// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 0*/ [[LABEL:[0-9]+]],
// CHECK-NEXT: GIM_CheckFeatures, GIFBS_HasA,
// CHECK-NEXT: GIM_CheckNumOperands, /*MI*/0, /*Expected*/3,
// CHECK-NEXT: GIM_RecordInsn, /*DefineMI*/1, /*MI*/0, /*OpIdx*/1, // MIs[1]
@@ -266,10 +298,18 @@ def MOV : I<(outs GPR32:$dst), (ins GPR32:$src1),
// CHECK-NEXT: GIR_EraseFromParent, /*InsnID*/0,
// CHECK-NEXT: GIR_ConstrainSelectedInstOperands, /*InsnID*/0,
// CHECK-NEXT: GIR_Done,
-// CHECK-NEXT: // Label 4: @[[LABEL]]
+// CHECK-NEXT: // Label 0: @[[LABEL]]
+// CHECK-NEXT: GIM_Reject,
+// CHECK-NEXT: };
+// CHECK-NEXT: MIs.resize(1);
+// CHECK-NEXT: DEBUG(dbgs() << "Processing MatchTable4\n");
+// CHECK-NEXT: if (executeMatchTable(*this, OutMIs, State, MatcherInfo, MatchTable4, TII, MRI, TRI, RBI, AvailableFeatures)) {
+// CHECK-NEXT: return true;
+// CHECK-NEXT: }
// We also get a second rule by commutativity.
-// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 5*/ [[LABEL:[0-9]+]],
+// CHECK-LABEL: MatchTable5[] = {
+// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 0*/ [[LABEL:[0-9]+]],
// CHECK-NEXT: GIM_CheckFeatures, GIFBS_HasA,
// CHECK-NEXT: GIM_CheckNumOperands, /*MI*/0, /*Expected*/3,
// CHECK-NEXT: GIM_RecordInsn, /*DefineMI*/1, /*MI*/0, /*OpIdx*/2,
@@ -303,7 +343,14 @@ def MOV : I<(outs GPR32:$dst), (ins GPR32:$src1),
// CHECK-NEXT: GIR_EraseFromParent, /*InsnID*/0,
// CHECK-NEXT: GIR_ConstrainSelectedInstOperands, /*InsnID*/0,
// CHECK-NEXT: GIR_Done,
-// CHECK-NEXT: // Label 5: @[[LABEL]]
+// CHECK-NEXT: // Label 0: @[[LABEL]]
+// CHECK-NEXT: GIM_Reject,
+// CHECK-NEXT: };
+// CHECK-NEXT: MIs.resize(1);
+// CHECK-NEXT: DEBUG(dbgs() << "Processing MatchTable5\n");
+// CHECK-NEXT: if (executeMatchTable(*this, OutMIs, State, MatcherInfo, MatchTable5, TII, MRI, TRI, RBI, AvailableFeatures)) {
+// CHECK-NEXT: return true;
+// CHECK-NEXT: }
def MULADD : I<(outs GPR32:$dst), (ins GPR32:$src1, GPR32:$src2, GPR32:$src3),
[(set GPR32:$dst,
@@ -312,7 +359,8 @@ def MULADD : I<(outs GPR32:$dst), (ins GPR32:$src1, GPR32:$src2, GPR32:$src3),
//===- Test another simple pattern with regclass operands. ----------------===//
-// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 6*/ [[LABEL:[0-9]+]],
+// CHECK-LABEL: MatchTable6[] = {
+// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 0*/ [[LABEL:[0-9]+]],
// CHECK-NEXT: GIM_CheckFeatures, GIFBS_HasA_HasB_HasC,
// CHECK-NEXT: GIM_CheckNumOperands, /*MI*/0, /*Expected*/3,
// CHECK-NEXT: GIM_CheckOpcode, /*MI*/0, TargetOpcode::G_MUL,
@@ -334,7 +382,14 @@ def MULADD : I<(outs GPR32:$dst), (ins GPR32:$src1, GPR32:$src2, GPR32:$src3),
// CHECK-NEXT: GIR_EraseFromParent, /*InsnID*/0,
// CHECK-NEXT: GIR_ConstrainSelectedInstOperands, /*InsnID*/0,
// CHECK-NEXT: GIR_Done,
-// CHECK-NEXT: // Label 6: @[[LABEL]]
+// CHECK-NEXT: // Label 0: @[[LABEL]]
+// CHECK-NEXT: GIM_Reject,
+// CHECK-NEXT: };
+// CHECK-NEXT: MIs.resize(1);
+// CHECK-NEXT: DEBUG(dbgs() << "Processing MatchTable6\n");
+// CHECK-NEXT: if (executeMatchTable(*this, OutMIs, State, MatcherInfo, MatchTable6, TII, MRI, TRI, RBI, AvailableFeatures)) {
+// CHECK-NEXT: return true;
+// CHECK-NEXT: }
def MUL : I<(outs GPR32:$dst), (ins GPR32:$src2, GPR32:$src1),
[(set GPR32:$dst, (mul GPR32:$src1, GPR32:$src2))]>,
@@ -342,7 +397,8 @@ def MUL : I<(outs GPR32:$dst), (ins GPR32:$src2, GPR32:$src1),
//===- Test a more complex multi-instruction match. -----------------------===//
-// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 7*/ [[LABEL:[0-9]+]],
+// CHECK-LABEL: MatchTable7[] = {
+// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 0*/ [[LABEL:[0-9]+]],
// CHECK-NEXT: GIM_CheckFeatures, GIFBS_HasA,
// CHECK-NEXT: GIM_CheckNumOperands, /*MI*/0, /*Expected*/3,
// CHECK-NEXT: GIM_RecordInsn, /*DefineMI*/1, /*MI*/0, /*OpIdx*/1, // MIs[1]
@@ -388,7 +444,14 @@ def MUL : I<(outs GPR32:$dst), (ins GPR32:$src2, GPR32:$src1),
// CHECK-NEXT: GIR_EraseFromParent, /*InsnID*/0,
// CHECK-NEXT: GIR_ConstrainSelectedInstOperands, /*InsnID*/0,
// CHECK-NEXT: GIR_Done,
-// CHECK-NEXT: // Label 7: @[[LABEL]]
+// CHECK-NEXT: // Label 0: @[[LABEL]]
+// CHECK-NEXT: GIM_Reject,
+// CHECK-NEXT: };
+// CHECK-NEXT: MIs.resize(1);
+// CHECK-NEXT: DEBUG(dbgs() << "Processing MatchTable7\n");
+// CHECK-NEXT: if (executeMatchTable(*this, OutMIs, State, MatcherInfo, MatchTable7, TII, MRI, TRI, RBI, AvailableFeatures)) {
+// CHECK-NEXT: return true;
+// CHECK-NEXT: }
def INSNBOB : I<(outs GPR32:$dst), (ins GPR32:$src1, GPR32:$src2, GPR32:$src3, GPR32:$src4),
[(set GPR32:$dst,
@@ -398,7 +461,8 @@ def INSNBOB : I<(outs GPR32:$dst), (ins GPR32:$src1, GPR32:$src2, GPR32:$src3, G
//===- Test a pattern with ComplexPattern operands. -----------------------===//
//
-// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 8*/ [[LABEL:[0-9]+]],
+// CHECK-LABEL: MatchTable8[] = {
+// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 0*/ [[LABEL:[0-9]+]],
// CHECK-NEXT: GIM_CheckNumOperands, /*MI*/0, /*Expected*/3,
// CHECK-NEXT: GIM_CheckOpcode, /*MI*/0, TargetOpcode::G_SUB,
// CHECK-NEXT: // MIs[0] dst
@@ -419,7 +483,14 @@ def INSNBOB : I<(outs GPR32:$dst), (ins GPR32:$src1, GPR32:$src2, GPR32:$src3, G
// CHECK-NEXT: GIR_EraseFromParent, /*InsnID*/0,
// CHECK-NEXT: GIR_ConstrainSelectedInstOperands, /*InsnID*/0,
// CHECK-NEXT: GIR_Done,
-// CHECK-NEXT: // Label 8: @[[LABEL]]
+// CHECK-NEXT: // Label 0: @[[LABEL]]
+// CHECK-NEXT: GIM_Reject,
+// CHECK-NEXT: };
+// CHECK-NEXT: MIs.resize(1);
+// CHECK-NEXT: DEBUG(dbgs() << "Processing MatchTable8\n");
+// CHECK-NEXT: if (executeMatchTable(*this, OutMIs, State, MatcherInfo, MatchTable8, TII, MRI, TRI, RBI, AvailableFeatures)) {
+// CHECK-NEXT: return true;
+// CHECK-NEXT: }
def INSN1 : I<(outs GPR32:$dst), (ins GPR32:$src1, complex:$src2), []>;
def : Pat<(sub GPR32:$src1, complex:$src2), (INSN1 GPR32:$src1, complex:$src2)>;
@@ -427,7 +498,8 @@ def : Pat<(sub GPR32:$src1, complex:$src2), (INSN1 GPR32:$src1, complex:$src2)>;
//===- Test a simple pattern with a default operand. ----------------------===//
//
-// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 9*/ [[LABEL:[0-9]+]],
+// CHECK-LABEL: MatchTable9[] = {
+// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 0*/ [[LABEL:[0-9]+]],
// CHECK-NEXT: GIM_CheckNumOperands, /*MI*/0, /*Expected*/3,
// CHECK-NEXT: GIM_CheckOpcode, /*MI*/0, TargetOpcode::G_XOR,
// CHECK-NEXT: // MIs[0] dst
@@ -448,7 +520,14 @@ def : Pat<(sub GPR32:$src1, complex:$src2), (INSN1 GPR32:$src1, complex:$src2)>;
// CHECK-NEXT: GIR_EraseFromParent, /*InsnID*/0,
// CHECK-NEXT: GIR_ConstrainSelectedInstOperands, /*InsnID*/0,
// CHECK-NEXT: GIR_Done,
-// CHECK-NEXT: // Label 9: @[[LABEL]]
+// CHECK-NEXT: // Label 0: @[[LABEL]]
+// CHECK-NEXT: GIM_Reject,
+// CHECK-NEXT: };
+// CHECK-NEXT: MIs.resize(1);
+// CHECK-NEXT: DEBUG(dbgs() << "Processing MatchTable9\n");
+// CHECK-NEXT: if (executeMatchTable(*this, OutMIs, State, MatcherInfo, MatchTable9, TII, MRI, TRI, RBI, AvailableFeatures)) {
+// CHECK-NEXT: return true;
+// CHECK-NEXT: }
// The -2 is just to distinguish it from the 'not' case below.
def XORI : I<(outs GPR32:$dst), (ins m1:$src2, GPR32:$src1),
@@ -457,7 +536,8 @@ def XORI : I<(outs GPR32:$dst), (ins m1:$src2, GPR32:$src1),
//===- Test a simple pattern with a default register operand. -------------===//
//
-// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 10*/ [[LABEL:[0-9]+]],
+// CHECK-LABEL: MatchTable10[] = {
+// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 0*/ [[LABEL:[0-9]+]],
// CHECK-NEXT: GIM_CheckNumOperands, /*MI*/0, /*Expected*/3,
// CHECK-NEXT: GIM_CheckOpcode, /*MI*/0, TargetOpcode::G_XOR,
// CHECK-NEXT: // MIs[0] dst
@@ -478,7 +558,14 @@ def XORI : I<(outs GPR32:$dst), (ins m1:$src2, GPR32:$src1),
// CHECK-NEXT: GIR_EraseFromParent, /*InsnID*/0,
// CHECK-NEXT: GIR_ConstrainSelectedInstOperands, /*InsnID*/0,
// CHECK-NEXT: GIR_Done,
-// CHECK-NEXT: // Label 10: @[[LABEL]]
+// CHECK-NEXT: // Label 0: @[[LABEL]]
+// CHECK-NEXT: GIM_Reject,
+// CHECK-NEXT: };
+// CHECK-NEXT: MIs.resize(1);
+// CHECK-NEXT: DEBUG(dbgs() << "Processing MatchTable10\n");
+// CHECK-NEXT: if (executeMatchTable(*this, OutMIs, State, MatcherInfo, MatchTable10, TII, MRI, TRI, RBI, AvailableFeatures)) {
+// CHECK-NEXT: return true;
+// CHECK-NEXT: }
// The -3 is just to distinguish it from the 'not' case below and the other default op case above.
def XOR : I<(outs GPR32:$dst), (ins Z:$src2, GPR32:$src1),
@@ -487,7 +574,8 @@ def XOR : I<(outs GPR32:$dst), (ins Z:$src2, GPR32:$src1),
//===- Test a simple pattern with a multiple default operands. ------------===//
//
-// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 11*/ [[LABEL:[0-9]+]],
+// CHECK-LABEL: MatchTable11[] = {
+// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 0*/ [[LABEL:[0-9]+]],
// CHECK-NEXT: GIM_CheckNumOperands, /*MI*/0, /*Expected*/3,
// CHECK-NEXT: GIM_CheckOpcode, /*MI*/0, TargetOpcode::G_XOR,
// CHECK-NEXT: // MIs[0] dst
@@ -509,7 +597,14 @@ def XOR : I<(outs GPR32:$dst), (ins Z:$src2, GPR32:$src1),
// CHECK-NEXT: GIR_EraseFromParent, /*InsnID*/0,
// CHECK-NEXT: GIR_ConstrainSelectedInstOperands, /*InsnID*/0,
// CHECK-NEXT: GIR_Done,
-// CHECK-NEXT: // Label 11: @[[LABEL]]
+// CHECK-NEXT: // Label 0: @[[LABEL]]
+// CHECK-NEXT: GIM_Reject,
+// CHECK-NEXT: };
+// CHECK-NEXT: MIs.resize(1);
+// CHECK-NEXT: DEBUG(dbgs() << "Processing MatchTable11\n");
+// CHECK-NEXT: if (executeMatchTable(*this, OutMIs, State, MatcherInfo, MatchTable11, TII, MRI, TRI, RBI, AvailableFeatures)) {
+// CHECK-NEXT: return true;
+// CHECK-NEXT: }
// The -4 is just to distinguish it from the other 'not' cases.
def XORlike : I<(outs GPR32:$dst), (ins m1Z:$src2, GPR32:$src1),
@@ -518,7 +613,8 @@ def XORlike : I<(outs GPR32:$dst), (ins m1Z:$src2, GPR32:$src1),
//===- Test a simple pattern with multiple operands with defaults. --------===//
//
-// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 12*/ [[LABEL:[0-9]+]],
+// CHECK-LABEL: MatchTable12[] = {
+// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 0*/ [[LABEL:[0-9]+]],
// CHECK-NEXT: GIM_CheckNumOperands, /*MI*/0, /*Expected*/3,
// CHECK-NEXT: GIM_CheckOpcode, /*MI*/0, TargetOpcode::G_XOR,
// CHECK-NEXT: // MIs[0] dst
@@ -541,7 +637,14 @@ def XORlike : I<(outs GPR32:$dst), (ins m1Z:$src2, GPR32:$src1),
// CHECK-NEXT: GIR_EraseFromParent, /*InsnID*/0,
// CHECK-NEXT: GIR_ConstrainSelectedInstOperands, /*InsnID*/0,
// CHECK-NEXT: GIR_Done,
-// CHECK-NEXT: // Label 12: @[[LABEL]]
+// CHECK-NEXT: // Label 0: @[[LABEL]]
+// CHECK-NEXT: GIM_Reject,
+// CHECK-NEXT: };
+// CHECK-NEXT: MIs.resize(1);
+// CHECK-NEXT: DEBUG(dbgs() << "Processing MatchTable12\n");
+// CHECK-NEXT: if (executeMatchTable(*this, OutMIs, State, MatcherInfo, MatchTable12, TII, MRI, TRI, RBI, AvailableFeatures)) {
+// CHECK-NEXT: return true;
+// CHECK-NEXT: }
// The -5 is just to distinguish it from the other cases.
def XORManyDefaults : I<(outs GPR32:$dst), (ins m1Z:$src3, Z:$src2, GPR32:$src1),
@@ -552,7 +655,8 @@ def XORManyDefaults : I<(outs GPR32:$dst), (ins m1Z:$src3, Z:$src2, GPR32:$src1)
// This must precede the 3-register variants because constant immediates have
// priority over register banks.
-// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 13*/ [[LABEL:[0-9]+]],
+// CHECK-LABEL: MatchTable13[] = {
+// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 0*/ [[LABEL:[0-9]+]],
// CHECK-NEXT: GIM_CheckNumOperands, /*MI*/0, /*Expected*/3,
// CHECK-NEXT: GIM_CheckOpcode, /*MI*/0, TargetOpcode::G_XOR,
// CHECK-NEXT: // MIs[0] dst
@@ -573,7 +677,14 @@ def XORManyDefaults : I<(outs GPR32:$dst), (ins m1Z:$src3, Z:$src2, GPR32:$src1)
// CHECK-NEXT: GIR_EraseFromParent, /*InsnID*/0,
// CHECK-NEXT: GIR_ConstrainSelectedInstOperands, /*InsnID*/0,
// CHECK-NEXT: GIR_Done,
-// CHECK-NEXT: // Label 13: @[[LABEL]]
+// CHECK-NEXT: // Label 0: @[[LABEL]]
+// CHECK-NEXT: GIM_Reject,
+// CHECK-NEXT: };
+// CHECK-NEXT: MIs.resize(1);
+// CHECK-NEXT: DEBUG(dbgs() << "Processing MatchTable13\n");
+// CHECK-NEXT: if (executeMatchTable(*this, OutMIs, State, MatcherInfo, MatchTable13, TII, MRI, TRI, RBI, AvailableFeatures)) {
+// CHECK-NEXT: return true;
+// CHECK-NEXT: }
def ORN : I<(outs GPR32:$dst), (ins GPR32:$src1, GPR32:$src2), []>;
def : Pat<(not GPR32:$Wm), (ORN R0, GPR32:$Wm)>;
@@ -581,7 +692,8 @@ def : Pat<(not GPR32:$Wm), (ORN R0, GPR32:$Wm)>;
//===- Test a COPY_TO_REGCLASS --------------------------------------------===//
//
-// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 14*/ [[LABEL:[0-9]+]],
+// CHECK-LABEL: MatchTable14[] = {
+// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 0*/ [[LABEL:[0-9]+]],
// CHECK-NEXT: GIM_CheckNumOperands, /*MI*/0, /*Expected*/2,
// CHECK-NEXT: GIM_CheckOpcode, /*MI*/0, TargetOpcode::G_BITCAST,
// CHECK-NEXT: // MIs[0] dst
@@ -594,14 +706,22 @@ def : Pat<(not GPR32:$Wm), (ORN R0, GPR32:$Wm)>;
// CHECK-NEXT: GIR_MutateOpcode, /*InsnID*/0, /*RecycleInsnID*/0, /*Opcode*/TargetOpcode::COPY,
// CHECK-NEXT: GIR_ConstrainOperandRC, /*InsnID*/0, /*Op*/0, /*RC GPR32*/1,
// CHECK-NEXT: GIR_Done,
-// CHECK-NEXT: // Label 14: @[[LABEL]]
+// CHECK-NEXT: // Label 0: @[[LABEL]]
+// CHECK-NEXT: GIM_Reject,
+// CHECK-NEXT: };
+// CHECK-NEXT: MIs.resize(1);
+// CHECK-NEXT: DEBUG(dbgs() << "Processing MatchTable14\n");
+// CHECK-NEXT: if (executeMatchTable(*this, OutMIs, State, MatcherInfo, MatchTable14, TII, MRI, TRI, RBI, AvailableFeatures)) {
+// CHECK-NEXT: return true;
+// CHECK-NEXT: }
def : Pat<(i32 (bitconvert FPR32:$src1)),
(COPY_TO_REGCLASS FPR32:$src1, GPR32)>;
//===- Test a simple pattern with just a leaf immediate. ------------------===//
-// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 15*/ [[LABEL:[0-9]+]],
+// CHECK-LABEL: MatchTable15[] = {
+// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 0*/ [[LABEL:[0-9]+]],
// CHECK-NEXT: GIM_CheckNumOperands, /*MI*/0, /*Expected*/2,
// CHECK-NEXT: GIM_CheckOpcode, /*MI*/0, TargetOpcode::G_CONSTANT,
// CHECK-NEXT: // MIs[0] dst
@@ -616,13 +736,21 @@ def : Pat<(i32 (bitconvert FPR32:$src1)),
// CHECK-NEXT: GIR_EraseFromParent, /*InsnID*/0,
// CHECK-NEXT: GIR_ConstrainSelectedInstOperands, /*InsnID*/0,
// CHECK-NEXT: GIR_Done,
-// CHECK-NEXT: // Label 15: @[[LABEL]]
+// CHECK-NEXT: // Label 0: @[[LABEL]]
+// CHECK-NEXT: GIM_Reject,
+// CHECK-NEXT: };
+// CHECK-NEXT: MIs.resize(1);
+// CHECK-NEXT: DEBUG(dbgs() << "Processing MatchTable15\n");
+// CHECK-NEXT: if (executeMatchTable(*this, OutMIs, State, MatcherInfo, MatchTable15, TII, MRI, TRI, RBI, AvailableFeatures)) {
+// CHECK-NEXT: return true;
+// CHECK-NEXT: }
def MOV1 : I<(outs GPR32:$dst), (ins), [(set GPR32:$dst, 1)]>;
//===- Test a pattern with an MBB operand. --------------------------------===//
-// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 16*/ [[LABEL:[0-9]+]],
+// CHECK-LABEL: MatchTable16[] = {
+// CHECK-NEXT: GIM_Try, /*On fail goto*//*Label 0*/ [[LABEL:[0-9]+]],
// CHECK-NEXT: GIM_CheckNumOperands, /*MI*/0, /*Expected*/1,
// CHECK-NEXT: GIM_CheckOpcode, /*MI*/0, TargetOpcode::G_BR,
// CHECK-NEXT: // MIs[0] target
@@ -631,10 +759,12 @@ def MOV1 : I<(outs GPR32:$dst), (ins), [(set GPR32:$dst, 1)]>;
// CHECK-NEXT: GIR_MutateOpcode, /*InsnID*/0, /*RecycleInsnID*/0, /*Opcode*/MyTarget::BR,
// CHECK-NEXT: GIR_ConstrainSelectedInstOperands, /*InsnID*/0,
// CHECK-NEXT: GIR_Done,
-// CHECK-NEXT: // Label 16: @[[LABEL]]
+// CHECK-NEXT: // Label 0: @[[LABEL]]
// CHECK-NEXT: GIM_Reject,
// CHECK-NEXT: };
-// CHECK-NEXT: if (executeMatchTable(*this, OutMIs, State, MatcherInfo, MatchTable0, TII, MRI, TRI, RBI, AvailableFeatures)) {
+// CHECK-NEXT: MIs.resize(1);
+// CHECK-NEXT: DEBUG(dbgs() << "Processing MatchTable16\n");
+// CHECK-NEXT: if (executeMatchTable(*this, OutMIs, State, MatcherInfo, MatchTable16, TII, MRI, TRI, RBI, AvailableFeatures)) {
// CHECK-NEXT: return true;
// CHECK-NEXT: }
diff --git a/llvm/utils/TableGen/GlobalISelEmitter.cpp b/llvm/utils/TableGen/GlobalISelEmitter.cpp
index 47f974ac5ed..2cfcadd5e80 100644
--- a/llvm/utils/TableGen/GlobalISelEmitter.cpp
+++ b/llvm/utils/TableGen/GlobalISelEmitter.cpp
@@ -53,6 +53,8 @@ STATISTIC(NumPatternTotal, "Total number of patterns");
STATISTIC(NumPatternImported, "Number of patterns imported from SelectionDAG");
STATISTIC(NumPatternImportsSkipped, "Number of SelectionDAG imports skipped");
STATISTIC(NumPatternEmitted, "Number of patterns emitted");
+/// A unique identifier for a MatchTable.
+static unsigned CurrentMatchTableID = 0;
cl::OptionCategory GlobalISelEmitterCat("Options for -gen-global-isel");
@@ -301,9 +303,6 @@ class MatchTable {
/// Tracks the sum of MatchTableRecord::NumElements as the table is built.
unsigned CurrentSize;
- /// A unique identifier for a MatchTable label.
- static unsigned CurrentLabelID;
-
public:
static MatchTableRecord LineBreak;
static MatchTableRecord Comment(StringRef Comment) {
@@ -339,7 +338,7 @@ public:
MatchTableRecord::MTRF_LineBreakFollows);
}
static MatchTableRecord JumpTarget(unsigned LabelID) {
- return MatchTableRecord(LabelID, "Label " + llvm::to_string(LabelID), 1,
+ return MatchTableRecord(LabelID, "Label " + llvm::to_string(LabelID), 0,
MatchTableRecord::MTRF_JumpTarget |
MatchTableRecord::MTRF_Comment |
MatchTableRecord::MTRF_CommaFollows);
@@ -354,10 +353,8 @@ public:
CurrentSize += Value.size();
}
- unsigned allocateLabelID() const { return CurrentLabelID++; }
-
void defineLabel(unsigned LabelID) {
- LabelMap.insert(std::make_pair(LabelID, CurrentSize));
+ LabelMap.insert(std::make_pair(LabelID, CurrentSize + 1));
}
unsigned getLabelIndex(unsigned LabelID) const {
@@ -366,9 +363,7 @@ public:
return I->second;
}
- void emitUse(raw_ostream &OS) const { OS << "MatchTable" << ID; }
-
- void emitDeclaration(raw_ostream &OS) const {
+ void emit(raw_ostream &OS) const {
unsigned Indentation = 4;
OS << " const static int64_t MatchTable" << ID << "[] = {";
LineBreak.emit(OS, true, *this);
@@ -399,8 +394,6 @@ public:
}
};
-unsigned MatchTable::CurrentLabelID = 0;
-
MatchTableRecord MatchTable::LineBreak = {
None, "" /* Emit String */, 0 /* Elements */,
MatchTableRecord::MTRF_LineBreakFollows};
@@ -443,6 +436,11 @@ MatchTable &operator<<(MatchTable &Table, const MatchTableRecord &Value) {
return Table;
}
+raw_ostream &operator<<(raw_ostream &OS, const MatchTable &Table) {
+ Table.emit(OS);
+ return OS;
+}
+
//===- Matchers -----------------------------------------------------------===//
class OperandMatcher;
@@ -491,7 +489,7 @@ public:
void emitCaptureOpcodes(MatchTable &Table);
- void emit(MatchTable &Table);
+ void emit(raw_ostream &OS);
/// Compare the priority of this object and B.
///
@@ -1550,7 +1548,7 @@ void RuleMatcher::emitCaptureOpcodes(MatchTable &Table) {
Matchers.front()->emitCaptureOpcodes(Table, *this, InsnVarID);
}
-void RuleMatcher::emit(MatchTable &Table) {
+void RuleMatcher::emit(raw_ostream &OS) {
if (Matchers.empty())
llvm_unreachable("Unexpected empty matcher!");
@@ -1565,9 +1563,9 @@ void RuleMatcher::emit(MatchTable &Table) {
// on some targets but we don't need to make use of that yet.
assert(Matchers.size() == 1 && "Cannot handle multi-root matchers yet");
- unsigned LabelID = Table.allocateLabelID();
+ MatchTable Table(CurrentMatchTableID);
Table << MatchTable::Opcode("GIM_Try", +1)
- << MatchTable::Comment("On fail goto") << MatchTable::JumpTarget(LabelID)
+ << MatchTable::Comment("On fail goto") << MatchTable::JumpTarget(0)
<< MatchTable::LineBreak;
if (!RequiredFeatures.empty()) {
@@ -1641,7 +1639,16 @@ void RuleMatcher::emit(MatchTable &Table) {
for (const auto &MA : Actions)
MA->emitActionOpcodes(Table, *this, 0);
Table << MatchTable::Opcode("GIR_Done", -1) << MatchTable::LineBreak
- << MatchTable::Label(LabelID);
+ << MatchTable::Label(0) << MatchTable::Opcode("GIM_Reject")
+ << MatchTable::LineBreak;
+ OS << Table
+ << " State.MIs.resize(1);\n"
+ << " DEBUG(dbgs() << \"Processing MatchTable" << CurrentMatchTableID
+ << "\\n\");\n"
+ << " if (executeMatchTable(*this, OutMIs, State, MatcherInfo, MatchTable"
+ << CurrentMatchTableID << ", TII, MRI, TRI, RBI, AvailableFeatures)) {\n"
+ << " return true;\n"
+ << " }\n\n";
}
bool RuleMatcher::isHigherPriorityThan(const RuleMatcher &B) const {
@@ -2491,18 +2498,13 @@ void GlobalISelEmitter::run(raw_ostream &OS) {
<< " State.MIs.clear();\n"
<< " State.MIs.push_back(&I);\n\n";
- MatchTable Table(0);
for (auto &Rule : Rules) {
- Rule.emit(Table);
+ Rule.emit(OS);
+ ++CurrentMatchTableID;
++NumPatternEmitted;
+ assert(CurrentMatchTableID == NumPatternEmitted &&
+ "Statistic deviates from number of emitted tables");
}
- Table << MatchTable::Opcode("GIM_Reject") << MatchTable::LineBreak;
- Table.emitDeclaration(OS);
- OS << " if (executeMatchTable(*this, OutMIs, State, MatcherInfo, ";
- Table.emitUse(OS);
- OS << ", TII, MRI, TRI, RBI, AvailableFeatures)) {\n"
- << " return true;\n"
- << " }\n\n";
OS << " return false;\n"
<< "}\n"
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