Merge pull request #8443 from aschwaighofer/irgen_delete_dead_functions

Author: swift-ci

lib/IRGen/GenExistential.cpp

@@ -141,14 +141,6 @@ static llvm::Constant *getDestroyBoxedOpaqueExistentialBufferFunction(
     IRGenModule &IGM, OpaqueExistentialLayout existLayout,
     llvm::Type *existContainerPointerTy);
 
-static llvm::Constant *getInitWithTakeBoxedOpaqueExistentialBufferFunction(
-    IRGenModule &IGM, OpaqueExistentialLayout existLayout,
-    llvm::Type *existContainerPointerTy);
-
-static llvm::Constant *getInitWithCopyBoxedOpaqueExistentialBufferFunction(
-    IRGenModule &IGM, OpaqueExistentialLayout existLayout,
-    llvm::Type *existContainerPointerTy);
-
 static llvm::Constant *
 getProjectBoxedOpaqueExistentialFunction(IRGenFunction &IGF,
                                          OpenedExistentialAccess accessKind,
@@ -2789,112 +2781,3 @@ static llvm::Constant *getDestroyBoxedOpaqueExistentialBufferFunction(
         }
       }, true /*noinline*/);
 }
-
-static llvm::Constant *getInitWithTakeBoxedOpaqueExistentialBufferFunction(
-    IRGenModule &IGM, OpaqueExistentialLayout existLayout,
-    llvm::Type *existContainerPointerTy) {
-
-  llvm::Type *argTys[] = {existContainerPointerTy, existContainerPointerTy};
-
-  llvm::SmallString<40> fnName;
-  llvm::raw_svector_ostream(fnName)
-      << "__swift_initWithTake_boxed_opaque_existential_"
-      << existLayout.getNumTables();
-
-  return IGM.getOrCreateHelperFunction(
-      fnName, IGM.VoidTy, argTys, [&](IRGenFunction &IGF) {
-        auto &Builder = IGF.Builder;
-        auto it = IGF.CurFn->arg_begin();
-        Address dest(&*(it++), existLayout.getAlignment(IGM));
-        Address src(&*(it++), existLayout.getAlignment(IGM));
-        auto *metadata = existLayout.loadMetadataRef(IGF, src);
-        auto srcBuffer = existLayout.projectExistentialBuffer(IGF, src);
-        auto destBuffer = existLayout.projectExistentialBuffer(IGF, dest);
-        // Is the value stored inline?
-        //
-        llvm::Value *isInline, *flags;
-        std::tie(isInline, flags) = emitLoadOfIsInline(IGF, metadata);
-        auto *inlineBB = IGF.createBasicBlock("inline");
-        auto *outlineBB = IGF.createBasicBlock("outline");
-        Builder.CreateCondBr(isInline, inlineBB, outlineBB);
-
-        Builder.emitBlock(inlineBB);
-        {
-          ConditionalDominanceScope domScope(IGF);
-          emitInitializeWithTakeCall(IGF, metadata,
-                                     castToOpaquePtr(IGF, destBuffer),
-                                     castToOpaquePtr(IGF, srcBuffer));
-          Builder.CreateRetVoid();
-        }
-
-        Builder.emitBlock(outlineBB);
-        {
-          ConditionalDominanceScope domScope(IGF);
-
-          // destBuffer[0] = srcBuffer[0]
-          auto *srcReferenceAddr = Builder.CreateBitCast(
-              srcBuffer.getAddress(), IGM.RefCountedPtrTy->getPointerTo());
-          auto *reference =
-              Builder.CreateLoad(srcReferenceAddr, srcBuffer.getAlignment());
-          auto *destReferenceAddr = Builder.CreateBitCast(
-              destBuffer.getAddress(), IGM.RefCountedPtrTy->getPointerTo());
-          IGF.Builder.CreateStore(
-              reference,
-              Address(destReferenceAddr, existLayout.getAlignment(IGF.IGM)));
-          Builder.CreateRetVoid();
-        }
-
-      }, true /*noinline*/);
-}
-
-static llvm::Constant *getInitWithCopyBoxedOpaqueExistentialBufferFunction(
-    IRGenModule &IGM, OpaqueExistentialLayout existLayout,
-    llvm::Type *existContainerPointerTy) {
-
-  llvm::Type *argTys[] = {existContainerPointerTy, existContainerPointerTy};
-
-  llvm::SmallString<40> fnName;
-  llvm::raw_svector_ostream(fnName)
-      << "__swift_initWithCopy_boxed_opaque_existential_"
-      << existLayout.getNumTables();
-  return IGM.getOrCreateHelperFunction(
-      fnName, IGM.VoidTy, argTys,
-      [&](IRGenFunction &IGF) {
-        auto &Builder = IGF.Builder;
-        auto it = IGF.CurFn->arg_begin();
-        Address dest(&*(it++), existLayout.getAlignment(IGM));
-        Address src(&*(it++), existLayout.getAlignment(IGM));
-        auto *metadata = existLayout.loadMetadataRef(IGF, src);
-        auto srcBuffer = existLayout.projectExistentialBuffer(IGF, src);
-        auto destBuffer = existLayout.projectExistentialBuffer(IGF, dest);
-        // Is the value stored inline?
-        //
-        llvm::Value *isInline, *flags;
-        std::tie(isInline, flags) = emitLoadOfIsInline(IGF, metadata);
-        auto *inlineBB = IGF.createBasicBlock("inline");
-        auto *outlineBB = IGF.createBasicBlock("outline");
-        Builder.CreateCondBr(isInline, inlineBB, outlineBB);
-
-        Builder.emitBlock(inlineBB);
-        {
-          ConditionalDominanceScope domScope(IGF);
-          emitInitializeWithCopyCall(IGF, metadata,
-                                     castToOpaquePtr(IGF, destBuffer),
-                                     castToOpaquePtr(IGF, srcBuffer));
-          Builder.CreateRetVoid();
-        }
-
-        Builder.emitBlock(outlineBB);
-        {
-          ConditionalDominanceScope domScope(IGF);
-
-          // destBuffer[0] = srcBuffer[0]
-          // swift_retain(srcBuffer[0])
-          initBufferWithCopyOfReference(IGF, existLayout, destBuffer,
-                                        srcBuffer);
-          Builder.CreateRetVoid();
-        }
-
-      },
-      true /*noinline*/);
-}