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3e65b21a68
implement function signature lowering. Basic setup for IR generation of functions. Test that we can properly declare a simple function. Swift SVN r595
43 lines
1.4 KiB
C++
43 lines
1.4 KiB
C++
//===--- IRGenFunction.cpp - Swift Per-Function IR Generation -------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2015 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See http://swift.org/LICENSE.txt for license information
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// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements basic setup and teardown for the class which
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// performs IR generation for function bodies.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Instructions.h"
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#include "IRGenFunction.h"
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#include "IRGenModule.h"
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using namespace swift;
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using namespace irgen;
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IRGenFunction::IRGenFunction(IRGenModule &IGM)
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: IGM(IGM), Builder(IGM.getLLVMContext()),
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AllocaIP(nullptr) {
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}
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/// Create an alloca whose lifetime is the duration of the current
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/// full-expression.
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llvm::AllocaInst *
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IRGenFunction::createFullExprAlloca(llvm::Type *Ty, Alignment Align,
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const llvm::Twine &Name) {
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assert(AllocaIP && "alloca insertion point has not been initialized!");
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llvm::AllocaInst *Alloca = new llvm::AllocaInst(Ty, Name, AllocaIP);
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Alloca->setAlignment(Align.getValue());
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// TODO: lifetime intrinsics.
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return Alloca;
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}
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