[llvm] [X86] Add missing pass initialization function for X86DynAllocaExpander. (PR #106820)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-backend-x86

Author: Craig Topper (topperc)

<details>
<summary>Changes</summary>

This allows it to show up in -print-before/after-all

---
Full diff: https://github.com/llvm/llvm-project/pull/106820.diff


3 Files Affected:

- (modified) llvm/lib/Target/X86/X86.h (+1) 
- (modified) llvm/lib/Target/X86/X86DynAllocaExpander.cpp (+5) 
- (modified) llvm/lib/Target/X86/X86TargetMachine.cpp (+1) 


``````````diff
diff --git a/llvm/lib/Target/X86/X86.h b/llvm/lib/Target/X86/X86.h
index 3d7a322d392f7f..054ff64f7796bc 100644
--- a/llvm/lib/Target/X86/X86.h
+++ b/llvm/lib/Target/X86/X86.h
@@ -184,6 +184,7 @@ void initializeX86CallFrameOptimizationPass(PassRegistry &);
 void initializeX86CmovConverterPassPass(PassRegistry &);
 void initializeX86DAGToDAGISelLegacyPass(PassRegistry &);
 void initializeX86DomainReassignmentPass(PassRegistry &);
+void initializeX86DynAllocaExpanderPass(PassRegistry &);
 void initializeX86ExecutionDomainFixPass(PassRegistry &);
 void initializeX86ExpandPseudoPass(PassRegistry &);
 void initializeX86FastPreTileConfigPass(PassRegistry &);
diff --git a/llvm/lib/Target/X86/X86DynAllocaExpander.cpp b/llvm/lib/Target/X86/X86DynAllocaExpander.cpp
index 5ed94f329c4b4c..fc48055b2fac73 100644
--- a/llvm/lib/Target/X86/X86DynAllocaExpander.cpp
+++ b/llvm/lib/Target/X86/X86DynAllocaExpander.cpp
@@ -65,6 +65,8 @@ class X86DynAllocaExpander : public MachineFunctionPass {
   bool NoStackArgProbe = false;
 
   StringRef getPassName() const override { return "X86 DynAlloca Expander"; }
+
+public:
   static char ID;
 };
 
@@ -72,6 +74,9 @@ char X86DynAllocaExpander::ID = 0;
 
 } // end anonymous namespace
 
+INITIALIZE_PASS(X86DynAllocaExpander, "x86-dyn-alloca-expander",
+                "X86 DynAlloca Expander", false, false)
+
 FunctionPass *llvm::createX86DynAllocaExpander() {
   return new X86DynAllocaExpander();
 }
diff --git a/llvm/lib/Target/X86/X86TargetMachine.cpp b/llvm/lib/Target/X86/X86TargetMachine.cpp
index d2d59ff3b93cf2..fc2a1e34b711ef 100644
--- a/llvm/lib/Target/X86/X86TargetMachine.cpp
+++ b/llvm/lib/Target/X86/X86TargetMachine.cpp
@@ -106,6 +106,7 @@ extern "C" LLVM_EXTERNAL_VISIBILITY void LLVMInitializeX86Target() {
   initializeX86ArgumentStackSlotPassPass(PR);
   initializeX86FixupInstTuningPassPass(PR);
   initializeX86FixupVectorConstantsPassPass(PR);
+  initializeX86DynAllocaExpanderPass(PR);
 }
 
 static std::unique_ptr<TargetLoweringObjectFile> createTLOF(const Triple &TT) {

``````````

</details>


https://github.com/llvm/llvm-project/pull/106820