[clang] [CIR] Upstream basic alloca and load support (PR #128792)

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git-clang-format --diff 1b39328d7440aa7a94af4083257ef1c2f9394887 1ffe43b0ca298df1e35f692d98401579f32d528d --extensions h,cpp -- clang/lib/CIR/CodeGen/Address.h clang/lib/CIR/CodeGen/CIRGenDecl.cpp clang/lib/CIR/CodeGen/CIRGenExpr.cpp clang/lib/CIR/CodeGen/CIRGenValue.h clang/lib/CIR/Dialect/IR/CIRMemorySlot.cpp clang/test/CIR/CodeGen/basic.cpp clang/include/clang/CIR/Dialect/Builder/CIRBaseBuilder.h clang/include/clang/CIR/MissingFeatures.h clang/lib/CIR/CodeGen/CIRGenExprScalar.cpp clang/lib/CIR/CodeGen/CIRGenFunction.cpp clang/lib/CIR/CodeGen/CIRGenFunction.h clang/lib/CIR/CodeGen/CIRGenModule.h clang/lib/CIR/CodeGen/CIRGenStmt.cpp clang/lib/CIR/Dialect/IR/CIRDialect.cpp
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View the diff from clang-format here.
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``````````diff
diff --git a/clang/lib/CIR/CodeGen/CIRGenDecl.cpp b/clang/lib/CIR/CodeGen/CIRGenDecl.cpp
index 444083b764..e44cad559d 100644
--- a/clang/lib/CIR/CodeGen/CIRGenDecl.cpp
+++ b/clang/lib/CIR/CodeGen/CIRGenDecl.cpp
@@ -45,7 +45,7 @@ void CIRGenFunction::emitAutoVarAlloca(const VarDecl &d) {
   // Create the temp alloca and declare variable using it.
   address = createTempAlloca(allocaTy, alignment, loc, d.getName());
   declare(address, &d, ty, getLoc(d.getSourceRange()), alignment);
-    
+
   setAddrOfLocalVar(&d, address);
 }
 
@@ -72,7 +72,6 @@ void CIRGenFunction::emitAutoVarCleanups(const clang::VarDecl &d) {
     cgm.errorNYI(d.getSourceRange(), "emitAutoVarCleanups: CleanupAttr");
 }
 
-
 /// Emit code and set up symbol table for a variable declaration with auto,
 /// register, or no storage class specifier. These turn into simple stack
 /// objects, globals depending on target.
diff --git a/clang/lib/CIR/CodeGen/CIRGenExpr.cpp b/clang/lib/CIR/CodeGen/CIRGenExpr.cpp
index 2c09db9610..ccc3e20875 100644
--- a/clang/lib/CIR/CodeGen/CIRGenExpr.cpp
+++ b/clang/lib/CIR/CodeGen/CIRGenExpr.cpp
@@ -38,8 +38,8 @@ mlir::Value CIRGenFunction::emitLoadOfScalar(LValue lvalue,
   if (mlir::isa<cir::VoidType>(eltTy))
     cgm.errorNYI(loc, "emitLoadOfScalar: void type");
 
-  mlir::Value loadOp = builder.CIRBaseBuilderTy::createLoad(getLoc(loc), ptr,
-                                                     false /*isVolatile*/);
+  mlir::Value loadOp = builder.CIRBaseBuilderTy::createLoad(
+      getLoc(loc), ptr, false /*isVolatile*/);
 
   return loadOp;
 }
@@ -98,7 +98,8 @@ LValue CIRGenFunction::emitDeclRefLValue(const DeclRefExpr *e) {
 }
 
 mlir::Value CIRGenFunction::emitAlloca(StringRef name, mlir::Type ty,
-                                       mlir::Location loc, CharUnits alignment) {
+                                       mlir::Location loc,
+                                       CharUnits alignment) {
   mlir::Block *entryBlock = getCurFunctionEntryBlock();
 
   // CIR uses its own alloca address space rather than follow the target data
@@ -122,7 +123,8 @@ mlir::Value CIRGenFunction::emitAlloca(StringRef name, mlir::Type ty,
 /// This creates an alloca and inserts it  at the current insertion point of the
 /// builder.
 Address CIRGenFunction::createTempAlloca(mlir::Type ty, CharUnits align,
-                                         mlir::Location loc, const Twine &name) {
+                                         mlir::Location loc,
+                                         const Twine &name) {
   mlir::Value alloca = emitAlloca(name.str(), ty, loc, align);
   return Address(alloca, ty, align);
 }

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https://github.com/llvm/llvm-project/pull/128792