//===--- CodeGenFunction.cpp - Emit LLVM Code from ASTs for a Function ----===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This coordinates the per-function state used while generating code.
//
//===----------------------------------------------------------------------===//
#include "CodeGenFunction.h"
#include "CGCUDARuntime.h"
#include "CGCXXABI.h"
#include "CGDebugInfo.h"
#include "CodeGenModule.h"
#include "clang/AST/ASTContext.h"
#include "clang/AST/Decl.h"
#include "clang/AST/DeclCXX.h"
#include "clang/AST/StmtCXX.h"
#include "clang/Basic/TargetInfo.h"
#include "clang/Frontend/CodeGenOptions.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/IR/Intrinsics.h"
#include "llvm/IR/MDBuilder.h"
#include "llvm/IR/Operator.h"
using namespace clang;
using namespace CodeGen;
CodeGenFunction::CodeGenFunction(CodeGenModule &cgm, bool suppressNewContext)
: CodeGenTypeCache(cgm), CGM(cgm),
Target(CGM.getContext().getTargetInfo()),
Builder(cgm.getModule().getContext()),
SanitizePerformTypeCheck(CGM.getSanOpts().Null |
CGM.getSanOpts().Alignment |
CGM.getSanOpts().ObjectSize |
CGM.getSanOpts().Vptr),
SanOpts(&CGM.getSanOpts()),
AutoreleaseResult(false), BlockInfo(0), BlockPointer(0),
LambdaThisCaptureField(0), NormalCleanupDest(0), NextCleanupDestIndex(1),
FirstBlockInfo(0), EHResumeBlock(0), ExceptionSlot(0), EHSelectorSlot(0),
DebugInfo(0), DisableDebugInfo(false), DidCallStackSave(false),
IndirectBranch(0), SwitchInsn(0), CaseRangeBlock(0), UnreachableBlock(0),
CXXABIThisDecl(0), CXXABIThisValue(0), CXXThisValue(0),
CXXStructorImplicitParamDecl(0), CXXStructorImplicitParamValue(0),
OutermostConditional(0), TerminateLandingPad(0),
TerminateHandler(0), TrapBB(0) {
if (!suppressNewContext)
CGM.getCXXABI().getMangleContext().startNewFunction();
llvm::FastMathFlags FMF;
if (CGM.getLangOpts().FastMath)
FMF.setUnsafeAlgebra();
if (CGM.getLangOpts().FiniteMathOnly) {
FMF.setNoNaNs();
FMF.setNoInfs();
}
Builder.SetFastMathFlags(FMF);
}
CodeGenFunction::~CodeGenFunction()