[NFC] IRGen: Delete another dead param.

Author: nate-chandler

lib/IRGen/GenCall.cpp

@@ -2513,9 +2513,10 @@ llvm::Value *emitIndirectAsyncFunctionPointer(IRGenFunction &IGF,
 }
 }
 
-std::pair<llvm::Value *, llvm::Value *> irgen::getAsyncFunctionAndSize(
-    IRGenFunction &IGF, FunctionPointer functionPointer,
-    llvm::Value *thickContext, std::pair<bool, bool> values) {
+std::pair<llvm::Value *, llvm::Value *>
+irgen::getAsyncFunctionAndSize(IRGenFunction &IGF,
+                               FunctionPointer functionPointer,
+                               std::pair<bool, bool> values) {
   assert(values.first || values.second);
   assert(functionPointer.getKind() != FunctionPointer::Kind::Function);
 
@@ -2958,8 +2959,8 @@ class AsyncCallEmission final : public CallEmission {
     // Allocate space for the async context.
 
     llvm::Value *dynamicContextSize32;
-    std::tie(calleeFunction, dynamicContextSize32) = getAsyncFunctionAndSize(
-        IGF, CurCallee.getFunctionPointer(), thickContext);
+    std::tie(calleeFunction, dynamicContextSize32) =
+        getAsyncFunctionAndSize(IGF, CurCallee.getFunctionPointer());
     auto *dynamicContextSize =
         IGF.Builder.CreateZExt(dynamicContextSize32, IGF.IGM.SizeTy);
     if (auto staticSize = dyn_cast<llvm::ConstantInt>(dynamicContextSize)) {
@@ -2983,7 +2984,6 @@ class AsyncCallEmission final : public CallEmission {
     super::end();
   }
   void setFromCallee() override {
-    thickContext = nullptr; // TODO: this should go
 
     super::setFromCallee();
 

lib/IRGen/GenCall.h

@@ -141,7 +141,6 @@ namespace irgen {
   /// \return {function, size}
   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,

lib/IRGen/GenDecl.cpp

@@ -3046,8 +3046,8 @@ void IRGenModule::createReplaceableProlog(IRGenFunction &IGF, SILFunction *f) {
         f->getForwardingSubstitutionMap());
     llvm::Value *dynamicContextSize32;
     llvm::Value *calleeFunction;
-    std::tie(calleeFunction, dynamicContextSize32) = getAsyncFunctionAndSize(
-        IGF, asyncFnPtr, nullptr, std::make_pair(false, true));
+    std::tie(calleeFunction, dynamicContextSize32) =
+        getAsyncFunctionAndSize(IGF, asyncFnPtr, std::make_pair(false, true));
     auto *dynamicContextSize =
         Builder.CreateZExt(dynamicContextSize32, IGM.SizeTy);
     auto calleeContextBuffer = emitAllocAsyncContext(IGF, dynamicContextSize);

lib/IRGen/GenFunc.cpp

@@ -1300,8 +1300,8 @@ class AsyncPartialApplicationForwarderEmission
   }
   void mapAsyncParameters(FunctionPointer fnPtr) override {
     llvm::Value *dynamicContextSize32;
-    std::tie(calleeFunction, dynamicContextSize32) = getAsyncFunctionAndSize(
-        subIGF, fnPtr, nullptr, std::make_pair(true, true));
+    std::tie(calleeFunction, dynamicContextSize32) =
+        getAsyncFunctionAndSize(subIGF, fnPtr, std::make_pair(true, true));
     auto *dynamicContextSize =
         subIGF.Builder.CreateZExt(dynamicContextSize32, subIGF.IGM.SizeTy);
     calleeContextBuffer =