[HLSL] replace std::unordered_map with DenseMap

[Keenuts]

Broke some builds because of a missing include. Changing to a DenseMap and adding the missing include.

[llvmbot]

@llvm/pr-subscribers-hlsl
@llvm/pr-subscribers-clang

@llvm/pr-subscribers-clang-codegen

Author: Nathan Gauër (Keenuts)

Changes

Broke some builds because of a missing include. Changing to a DenseMap and adding the missing include.

---

Full diff: https://github.com/llvm/llvm-project/pull/168739.diff

1 Files Affected:

• (modified) clang/lib/CodeGen/CGHLSLRuntime.cpp (+2-1)

diff --git a/clang/lib/CodeGen/CGHLSLRuntime.cpp b/clang/lib/CodeGen/CGHLSLRuntime.cpp
index 0371af417bdab..5af2a1e9f191d 100644
--- a/clang/lib/CodeGen/CGHLSLRuntime.cpp
+++ b/clang/lib/CodeGen/CGHLSLRuntime.cpp
@@ -27,6 +27,7 @@
 #include "clang/AST/Type.h"
 #include "clang/Basic/TargetOptions.h"
 #include "clang/Frontend/FrontendDiagnostic.h"
+#include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/ScopeExit.h"
 #include "llvm/ADT/SmallString.h"
 #include "llvm/ADT/SmallVector.h"
@@ -905,7 +906,7 @@ void CGHLSLRuntime::emitEntryFunction(const FunctionDecl *FD,
     OB.emplace_back("convergencectrl", bundleArgs);
   }
 
-  std::unordered_map<const DeclaratorDecl *, llvm::Value *> OutputSemantic;
+  llvm::DenseMap<const DeclaratorDecl *, llvm::Value *> OutputSemantic;
 
   unsigned SRetOffset = 0;
   for (const auto &Param : Fn->args()) {