[llvm] feat: add GlobalISel combine (PR #181486)

[via llvm-commits]

github-actions[bot] wrote:

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``````````bash
git-clang-format --diff origin/main HEAD --extensions h -- llvm/include/llvm/CodeGen/GlobalISel/GIMatchTableExecutorImpl.h --diff_from_common_commit
``````````

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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/include/llvm/CodeGen/GlobalISel/GIMatchTableExecutorImpl.h b/llvm/include/llvm/CodeGen/GlobalISel/GIMatchTableExecutorImpl.h
index 05a312a0c..72271ef41 100644
--- a/llvm/include/llvm/CodeGen/GlobalISel/GIMatchTableExecutorImpl.h
+++ b/llvm/include/llvm/CodeGen/GlobalISel/GIMatchTableExecutorImpl.h
@@ -50,7 +50,7 @@ bool GIMatchTableExecutor::executeMatchTable(
     const TargetRegisterInfo &TRI, const RegisterBankInfo &RBI,
     const PredicateBitset &AvailableFeatures,
     CodeGenCoverage *CoverageInfo) const {
-  
+
   printf("\nHALO\n");
 
   uint64_t CurrentIdx = 0;
@@ -218,7 +218,7 @@ bool GIMatchTableExecutor::executeMatchTable(
 
       assert(State.MIs[InsnID] != nullptr && "Used insn before defined");
       unsigned Opcode = State.MIs[InsnID]->getOpcode();
-      
+
       DEBUG_WITH_TYPE(TgtExecutor::getName(), {
         dbgs() << CurrentIdx << ": GIM_CheckOpcode(MIs[" << InsnID
                << "], ExpectedOpcode=" << Expected0;
@@ -233,7 +233,7 @@ bool GIMatchTableExecutor::executeMatchTable(
       }
       break;
     }
-    
+
     case GIM_SwitchOpcode: {
       uint64_t InsnID = readULEB();
       uint16_t LowerBound = readU16();
@@ -464,7 +464,7 @@ bool GIMatchTableExecutor::executeMatchTable(
       // Note: we don't check for invalid here because this is purely a hook to
       // allow some executors (such as the combiner) to check arbitrary,
       // contextless predicates, such as whether a rule is enabled or not.
-      
+
       uint16_t Predicate = readU16();
       DEBUG_WITH_TYPE(TgtExecutor::getName(),
                       dbgs() << CurrentIdx
@@ -1156,9 +1156,9 @@ bool GIMatchTableExecutor::executeMatchTable(
     }
 
     case GIR_CopySubReg: {
-      
+
       printf("\nGIR_CopySubReg\n");
-      
+
       uint64_t NewInsnID = readULEB();
       uint64_t OldInsnID = readULEB();
       uint64_t OpIdx = readULEB();
@@ -1267,9 +1267,9 @@ bool GIMatchTableExecutor::executeMatchTable(
     case GIR_AddSimpleTempRegister:
     case GIR_AddTempRegister:
     case GIR_AddTempSubRegister: {
-      
+
       printf("\nGIR_AddTempSubRegister\n");
-      
+
       uint64_t InsnID = readULEB();
       uint64_t TempRegID = readULEB();
       RegState TempRegFlags = {};
@@ -1334,9 +1334,9 @@ bool GIMatchTableExecutor::executeMatchTable(
       break;
     }
     case GIR_ComplexSubOperandRenderer: {
-      
+
       printf("\nGIR_ComplexSubOperandRenderer\n");
-      
+
       uint64_t InsnID = readULEB();
       uint16_t RendererID = readU16();
       uint64_t RenderOpID = readULEB();
@@ -1350,9 +1350,9 @@ bool GIMatchTableExecutor::executeMatchTable(
       break;
     }
     case GIR_ComplexSubOperandSubRegRenderer: {
-      
+
       printf("\nGIR_ComplexSubOperandSubRegRenderer\n");
-      
+
       uint64_t InsnID = readULEB();
       uint16_t RendererID = readU16();
       uint64_t RenderOpID = readULEB();
@@ -1472,9 +1472,9 @@ bool GIMatchTableExecutor::executeMatchTable(
 
     case GIR_RootConstrainSelectedInstOperands:
     case GIR_ConstrainSelectedInstOperands: {
-      
+
       printf("GIR_ConstrainSelectedInstOperands at index %lu\n", CurrentIdx);
-      
+
       uint64_t InsnID = (MatcherOpcode == GIR_RootConstrainSelectedInstOperands)
                             ? 0
                             : readULEB();

``````````

</details>


https://github.com/llvm/llvm-project/pull/181486