[NFC] IRGen: Delete dead param.

Author: nate-chandler

lib/IRGen/GenCall.cpp

@@ -2514,9 +2514,8 @@ llvm::Value *emitIndirectAsyncFunctionPointer(IRGenFunction &IGF,
 }
 
 std::pair<llvm::Value *, llvm::Value *> irgen::getAsyncFunctionAndSize(
-    IRGenFunction &IGF, SILFunctionTypeRepresentation representation,
-    FunctionPointer functionPointer, llvm::Value *thickContext,
-    std::pair<bool, bool> values) {
+    IRGenFunction &IGF, FunctionPointer functionPointer,
+    llvm::Value *thickContext, std::pair<bool, bool> values) {
   assert(values.first || values.second);
   assert(functionPointer.getKind() != FunctionPointer::Kind::Function);
 
@@ -2960,8 +2959,7 @@ class AsyncCallEmission final : public CallEmission {
 
     llvm::Value *dynamicContextSize32;
     std::tie(calleeFunction, dynamicContextSize32) = getAsyncFunctionAndSize(
-        IGF, CurCallee.getOrigFunctionType()->getRepresentation(),
-        CurCallee.getFunctionPointer(), thickContext);
+        IGF, CurCallee.getFunctionPointer(), thickContext);
     auto *dynamicContextSize =
         IGF.Builder.CreateZExt(dynamicContextSize32, IGF.IGM.SizeTy);
     if (auto staticSize = dyn_cast<llvm::ConstantInt>(dynamicContextSize)) {

lib/IRGen/GenCall.h

@@ -139,10 +139,10 @@ namespace irgen {
   ///               be returned for it.
   ///
   /// \return {function, size}
-  std::pair<llvm::Value *, llvm::Value *> getAsyncFunctionAndSize(
-      IRGenFunction &IGF, SILFunctionTypeRepresentation representation,
-      FunctionPointer functionPointer, llvm::Value *thickContext,
-      std::pair<bool, bool> values = {true, true});
+  std::pair<llvm::Value *, llvm::Value *>
+  getAsyncFunctionAndSize(IRGenFunction &IGF, FunctionPointer functionPointer,
+                          llvm::Value *thickContext,
+                          std::pair<bool, bool> values = {true, true});
   llvm::CallingConv::ID expandCallingConv(IRGenModule &IGM,
                                      SILFunctionTypeRepresentation convention,
                                      bool isAsync);

lib/IRGen/GenDecl.cpp

@@ -3047,8 +3047,7 @@ void IRGenModule::createReplaceableProlog(IRGenFunction &IGF, SILFunction *f) {
     llvm::Value *dynamicContextSize32;
     llvm::Value *calleeFunction;
     std::tie(calleeFunction, dynamicContextSize32) = getAsyncFunctionAndSize(
-        IGF, silFunctionType->getRepresentation(), asyncFnPtr, nullptr,
-        std::make_pair(false, true));
+        IGF, asyncFnPtr, nullptr, std::make_pair(false, true));
     auto *dynamicContextSize =
         Builder.CreateZExt(dynamicContextSize32, IGM.SizeTy);
     auto calleeContextBuffer = emitAllocAsyncContext(IGF, dynamicContextSize);

lib/IRGen/GenFunc.cpp

@@ -1301,8 +1301,7 @@ class AsyncPartialApplicationForwarderEmission
   void mapAsyncParameters(FunctionPointer fnPtr) override {
     llvm::Value *dynamicContextSize32;
     std::tie(calleeFunction, dynamicContextSize32) = getAsyncFunctionAndSize(
-        subIGF, origType->getRepresentation(), fnPtr, nullptr,
-        std::make_pair(true, true));
+        subIGF, fnPtr, nullptr, std::make_pair(true, true));
     auto *dynamicContextSize =
         subIGF.Builder.CreateZExt(dynamicContextSize32, subIGF.IGM.SizeTy);
     calleeContextBuffer =