Remove tabs, and whitespace cleanups.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81346 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGStmt.cpp b/lib/CodeGen/CGStmt.cpp
index 12e3a95..26d1c3b 100644
--- a/lib/CodeGen/CGStmt.cpp
+++ b/lib/CodeGen/CGStmt.cpp
@@ -72,7 +72,7 @@
ErrorUnsupported(S, "statement");
EmitAnyExpr(cast<Expr>(S), 0, false, true);
-
+
// Expression emitters don't handle unreachable blocks yet, so look for one
// explicitly here. This handles the common case of a call to a noreturn
// function.
@@ -83,14 +83,14 @@
}
}
break;
- case Stmt::IndirectGotoStmtClass:
+ case Stmt::IndirectGotoStmtClass:
EmitIndirectGotoStmt(cast<IndirectGotoStmt>(*S)); break;
case Stmt::IfStmtClass: EmitIfStmt(cast<IfStmt>(*S)); break;
case Stmt::WhileStmtClass: EmitWhileStmt(cast<WhileStmt>(*S)); break;
case Stmt::DoStmtClass: EmitDoStmt(cast<DoStmt>(*S)); break;
case Stmt::ForStmtClass: EmitForStmt(cast<ForStmt>(*S)); break;
-
+
case Stmt::ReturnStmtClass: EmitReturnStmt(cast<ReturnStmt>(*S)); break;
case Stmt::SwitchStmtClass: EmitSwitchStmt(cast<SwitchStmt>(*S)); break;
@@ -98,7 +98,7 @@
case Stmt::ObjCAtTryStmtClass:
EmitObjCAtTryStmt(cast<ObjCAtTryStmt>(*S));
- break;
+ break;
case Stmt::ObjCAtCatchStmtClass:
assert(0 && "@catch statements should be handled by EmitObjCAtTryStmt");
break;
@@ -111,7 +111,7 @@
case Stmt::ObjCAtSynchronizedStmtClass:
EmitObjCAtSynchronizedStmt(cast<ObjCAtSynchronizedStmt>(*S));
break;
- case Stmt::ObjCForCollectionStmtClass:
+ case Stmt::ObjCForCollectionStmtClass:
EmitObjCForCollectionStmt(cast<ObjCForCollectionStmt>(*S));
break;
}
@@ -141,7 +141,7 @@
llvm::Value *AggLoc, bool isAggVol) {
PrettyStackTraceLoc CrashInfo(getContext().getSourceManager(),S.getLBracLoc(),
"LLVM IR generation of compound statement ('{}')");
-
+
CGDebugInfo *DI = getDebugInfo();
if (DI) {
EnsureInsertPoint();
@@ -156,7 +156,7 @@
size_t CleanupStackDepth = CleanupEntries.size();
bool OldDidCallStackSave = DidCallStackSave;
DidCallStackSave = false;
-
+
for (CompoundStmt::const_body_iterator I = S.body_begin(),
E = S.body_end()-GetLast; I != E; ++I)
EmitStmt(*I);
@@ -164,7 +164,7 @@
if (DI) {
EnsureInsertPoint();
DI->setLocation(S.getRBracLoc());
-
+
// FIXME: The llvm backend is currently not ready to deal with region_end
// for block scoping. In the presence of always_inline functions it gets so
// confused that it doesn't emit any debug info. Just disable this for now.
@@ -172,10 +172,10 @@
}
RValue RV;
- if (!GetLast)
+ if (!GetLast)
RV = RValue::get(0);
else {
- // We have to special case labels here. They are statements, but when put
+ // We have to special case labels here. They are statements, but when put
// at the end of a statement expression, they yield the value of their
// subexpression. Handle this by walking through all labels we encounter,
// emitting them before we evaluate the subexpr.
@@ -184,22 +184,22 @@
EmitLabel(*LS);
LastStmt = LS->getSubStmt();
}
-
+
EnsureInsertPoint();
-
+
RV = EmitAnyExpr(cast<Expr>(LastStmt), AggLoc);
}
DidCallStackSave = OldDidCallStackSave;
-
+
EmitCleanupBlocks(CleanupStackDepth);
-
+
return RV;
}
void CodeGenFunction::SimplifyForwardingBlocks(llvm::BasicBlock *BB) {
llvm::BranchInst *BI = dyn_cast<llvm::BranchInst>(BB->getTerminator());
-
+
// If there is a cleanup stack, then we it isn't worth trying to
// simplify this block (we would need to remove it from the scope map
// and cleanup entry).
@@ -235,7 +235,7 @@
CleanupEntries.back().Blocks.push_back(BB);
}
}
-
+
CurFn->getBasicBlockList().push_back(BB);
Builder.SetInsertPoint(BB);
}
@@ -282,7 +282,7 @@
// EmitIndirectSwitches(). We need a default dest, so we use the
// current BB, but this is overwritten.
llvm::Value *V = Builder.CreatePtrToInt(EmitScalarExpr(S.getTarget()),
- llvm::Type::getInt32Ty(VMContext),
+ llvm::Type::getInt32Ty(VMContext),
"addr");
llvm::SwitchInst *I = Builder.CreateSwitch(V, Builder.GetInsertBlock());
IndirectSwitches.push_back(I);
@@ -294,7 +294,7 @@
void CodeGenFunction::EmitIfStmt(const IfStmt &S) {
// C99 6.8.4.1: The first substatement is executed if the expression compares
// unequal to 0. The condition must be a scalar type.
-
+
// If the condition constant folds and can be elided, try to avoid emitting
// the condition and the dead arm of the if/else.
if (int Cond = ConstantFoldsToSimpleInteger(S.getCond())) {
@@ -302,7 +302,7 @@
const Stmt *Executed = S.getThen(), *Skipped = S.getElse();
if (Cond == -1) // Condition false?
std::swap(Executed, Skipped);
-
+
// If the skipped block has no labels in it, just emit the executed block.
// This avoids emitting dead code and simplifies the CFG substantially.
if (!ContainsLabel(Skipped)) {
@@ -320,19 +320,19 @@
if (S.getElse())
ElseBlock = createBasicBlock("if.else");
EmitBranchOnBoolExpr(S.getCond(), ThenBlock, ElseBlock);
-
+
// Emit the 'then' code.
EmitBlock(ThenBlock);
EmitStmt(S.getThen());
EmitBranch(ContBlock);
-
+
// Emit the 'else' code if present.
if (const Stmt *Else = S.getElse()) {
EmitBlock(ElseBlock);
EmitStmt(Else);
EmitBranch(ContBlock);
}
-
+
// Emit the continuation block for code after the if.
EmitBlock(ContBlock, true);
}
@@ -350,7 +350,7 @@
// Store the blocks to use for break and continue.
BreakContinueStack.push_back(BreakContinue(ExitBlock, LoopHeader));
-
+
// Evaluate the conditional in the while header. C99 6.8.5.1: The
// evaluation of the controlling expression takes place before each
// execution of the loop body.
@@ -359,23 +359,23 @@
// while(1) is common, avoid extra exit blocks. Be sure
// to correctly handle break/continue though.
bool EmitBoolCondBranch = true;
- if (llvm::ConstantInt *C = dyn_cast<llvm::ConstantInt>(BoolCondVal))
+ if (llvm::ConstantInt *C = dyn_cast<llvm::ConstantInt>(BoolCondVal))
if (C->isOne())
EmitBoolCondBranch = false;
-
+
// As long as the condition is true, go to the loop body.
if (EmitBoolCondBranch)
Builder.CreateCondBr(BoolCondVal, LoopBody, ExitBlock);
-
+
// Emit the loop body.
EmitBlock(LoopBody);
EmitStmt(S.getBody());
- BreakContinueStack.pop_back();
-
+ BreakContinueStack.pop_back();
+
// Cycle to the condition.
EmitBranch(LoopHeader);
-
+
// Emit the exit block.
EmitBlock(ExitBlock, true);
@@ -393,20 +393,20 @@
EmitBlock(LoopBody);
llvm::BasicBlock *DoCond = createBasicBlock("do.cond");
-
+
// Store the blocks to use for break and continue.
BreakContinueStack.push_back(BreakContinue(AfterDo, DoCond));
-
+
// Emit the body of the loop into the block.
EmitStmt(S.getBody());
-
+
BreakContinueStack.pop_back();
-
+
EmitBlock(DoCond);
-
+
// C99 6.8.5.2: "The evaluation of the controlling expression takes place
// after each execution of the loop body."
-
+
// Evaluate the conditional in the while header.
// C99 6.8.5p2/p4: The first substatement is executed if the expression
// compares unequal to 0. The condition must be a scalar type.
@@ -415,14 +415,14 @@
// "do {} while (0)" is common in macros, avoid extra blocks. Be sure
// to correctly handle break/continue though.
bool EmitBoolCondBranch = true;
- if (llvm::ConstantInt *C = dyn_cast<llvm::ConstantInt>(BoolCondVal))
+ if (llvm::ConstantInt *C = dyn_cast<llvm::ConstantInt>(BoolCondVal))
if (C->isZero())
EmitBoolCondBranch = false;
// As long as the condition is true, iterate the loop.
if (EmitBoolCondBranch)
Builder.CreateCondBr(BoolCondVal, LoopBody, AfterDo);
-
+
// Emit the exit block.
EmitBlock(AfterDo);
@@ -451,25 +451,25 @@
if (S.getCond()) {
// As long as the condition is true, iterate the loop.
llvm::BasicBlock *ForBody = createBasicBlock("for.body");
-
+
// C99 6.8.5p2/p4: The first substatement is executed if the expression
// compares unequal to 0. The condition must be a scalar type.
EmitBranchOnBoolExpr(S.getCond(), ForBody, AfterFor);
-
- EmitBlock(ForBody);
+
+ EmitBlock(ForBody);
} else {
// Treat it as a non-zero constant. Don't even create a new block for the
// body, just fall into it.
}
- // If the for loop doesn't have an increment we can just use the
+ // If the for loop doesn't have an increment we can just use the
// condition as the continue block.
llvm::BasicBlock *ContinueBlock;
if (S.getInc())
ContinueBlock = createBasicBlock("for.inc");
else
- ContinueBlock = CondBlock;
-
+ ContinueBlock = CondBlock;
+
// Store the blocks to use for break and continue.
BreakContinueStack.push_back(BreakContinue(AfterFor, ContinueBlock));
@@ -477,13 +477,13 @@
EmitStmt(S.getBody());
BreakContinueStack.pop_back();
-
+
// If there is an increment, emit it next.
if (S.getInc()) {
EmitBlock(ContinueBlock);
EmitStmt(S.getInc());
}
-
+
// Finally, branch back up to the condition for the next iteration.
EmitBranch(CondBlock);
@@ -508,7 +508,7 @@
void CodeGenFunction::EmitReturnStmt(const ReturnStmt &S) {
// Emit the result value, even if unused, to evalute the side effects.
const Expr *RV = S.getRetValue();
-
+
// FIXME: Clean this up by using an LValue for ReturnTemp,
// EmitStoreThroughLValue, and EmitAnyExpr.
if (!ReturnValue) {
@@ -601,8 +601,8 @@
LHS++;
}
return;
- }
-
+ }
+
// The range is too big. Emit "if" condition into a new block,
// making sure to save and restore the current insertion point.
llvm::BasicBlock *RestoreBB = Builder.GetInsertBlock();
@@ -617,10 +617,10 @@
Builder.SetInsertPoint(CaseRangeBlock);
// Emit range check.
- llvm::Value *Diff =
- Builder.CreateSub(SwitchInsn->getCondition(),
+ llvm::Value *Diff =
+ Builder.CreateSub(SwitchInsn->getCondition(),
llvm::ConstantInt::get(VMContext, LHS), "tmp");
- llvm::Value *Cond =
+ llvm::Value *Cond =
Builder.CreateICmpULE(Diff,
llvm::ConstantInt::get(VMContext, Range), "tmp");
Builder.CreateCondBr(Cond, CaseDest, FalseDest);
@@ -637,12 +637,12 @@
EmitCaseStmtRange(S);
return;
}
-
+
EmitBlock(createBasicBlock("sw.bb"));
llvm::BasicBlock *CaseDest = Builder.GetInsertBlock();
llvm::APSInt CaseVal = S.getLHS()->EvaluateAsInt(getContext());
SwitchInsn->addCase(llvm::ConstantInt::get(VMContext, CaseVal), CaseDest);
-
+
// Recursively emitting the statement is acceptable, but is not wonderful for
// code where we have many case statements nested together, i.e.:
// case 1:
@@ -663,14 +663,14 @@
NextCase = dyn_cast<CaseStmt>(CurCase->getSubStmt());
}
-
+
// Normal default recursion for non-cases.
EmitStmt(CurCase->getSubStmt());
}
void CodeGenFunction::EmitDefaultStmt(const DefaultStmt &S) {
llvm::BasicBlock *DefaultBlock = SwitchInsn->getDefaultDest();
- assert(DefaultBlock->empty() &&
+ assert(DefaultBlock->empty() &&
"EmitDefaultStmt: Default block already defined?");
EmitBlock(DefaultBlock);
EmitStmt(S.getSubStmt());
@@ -706,13 +706,13 @@
// Emit switch body.
EmitStmt(S.getBody());
-
+
BreakContinueStack.pop_back();
// Update the default block in case explicit case range tests have
// been chained on top.
SwitchInsn->setSuccessor(0, CaseRangeBlock);
-
+
// If a default was never emitted then reroute any jumps to it and
// discard.
if (!DefaultBlock->getParent()) {
@@ -731,7 +731,7 @@
SimplifyConstraint(const char *Constraint, TargetInfo &Target,
llvm::SmallVectorImpl<TargetInfo::ConstraintInfo> *OutCons=0) {
std::string Result;
-
+
while (*Constraint) {
switch (*Constraint) {
default:
@@ -749,7 +749,7 @@
assert(OutCons &&
"Must pass output names to constraints with a symbolic name");
unsigned Index;
- bool result = Target.resolveSymbolicName(Constraint,
+ bool result = Target.resolveSymbolicName(Constraint,
&(*OutCons)[0],
OutCons->size(), Index);
assert(result && "Could not resolve symbolic name"); result=result;
@@ -757,10 +757,10 @@
break;
}
}
-
+
Constraint++;
}
-
+
return Result;
}
@@ -769,9 +769,9 @@
const Expr *InputExpr,
std::string &ConstraintStr) {
llvm::Value *Arg;
- if (Info.allowsRegister() || !Info.allowsMemory()) {
+ if (Info.allowsRegister() || !Info.allowsMemory()) {
const llvm::Type *Ty = ConvertType(InputExpr->getType());
-
+
if (Ty->isSingleValueType()) {
Arg = EmitScalarExpr(InputExpr);
} else {
@@ -782,7 +782,7 @@
if (Size <= 64 && llvm::isPowerOf2_64(Size)) {
Ty = llvm::IntegerType::get(VMContext, Size);
Ty = llvm::PointerType::getUnqual(Ty);
-
+
Arg = Builder.CreateLoad(Builder.CreateBitCast(Dest.getAddress(), Ty));
} else {
Arg = Dest.getAddress();
@@ -795,7 +795,7 @@
Arg = Dest.getAddress();
ConstraintStr += '*';
}
-
+
return Arg;
}
@@ -805,7 +805,7 @@
llvm::SmallVector<AsmStmt::AsmStringPiece, 4> Pieces;
unsigned DiagOffs;
S.AnalyzeAsmString(Pieces, getContext(), DiagOffs);
-
+
// Assemble the pieces into the final asm string.
std::string AsmString;
for (unsigned i = 0, e = Pieces.size(); i != e; ++i) {
@@ -817,19 +817,19 @@
AsmString += "${" + llvm::utostr(Pieces[i].getOperandNo()) + ':' +
Pieces[i].getModifier() + '}';
}
-
+
// Get all the output and input constraints together.
llvm::SmallVector<TargetInfo::ConstraintInfo, 4> OutputConstraintInfos;
llvm::SmallVector<TargetInfo::ConstraintInfo, 4> InputConstraintInfos;
- for (unsigned i = 0, e = S.getNumOutputs(); i != e; i++) {
+ for (unsigned i = 0, e = S.getNumOutputs(); i != e; i++) {
TargetInfo::ConstraintInfo Info(S.getOutputConstraint(i),
S.getOutputName(i));
bool result = Target.validateOutputConstraint(Info);
assert(result && "Failed to parse output constraint"); result=result;
OutputConstraintInfos.push_back(Info);
- }
-
+ }
+
for (unsigned i = 0, e = S.getNumInputs(); i != e; i++) {
TargetInfo::ConstraintInfo Info(S.getInputConstraint(i),
S.getInputName(i));
@@ -839,9 +839,9 @@
assert(result && "Failed to parse input constraint");
InputConstraintInfos.push_back(Info);
}
-
+
std::string Constraints;
-
+
std::vector<LValue> ResultRegDests;
std::vector<QualType> ResultRegQualTys;
std::vector<const llvm::Type *> ResultRegTypes;
@@ -854,16 +854,16 @@
std::vector<llvm::Value*> InOutArgs;
std::vector<const llvm::Type*> InOutArgTypes;
- for (unsigned i = 0, e = S.getNumOutputs(); i != e; i++) {
+ for (unsigned i = 0, e = S.getNumOutputs(); i != e; i++) {
TargetInfo::ConstraintInfo &Info = OutputConstraintInfos[i];
// Simplify the output constraint.
std::string OutputConstraint(S.getOutputConstraint(i));
OutputConstraint = SimplifyConstraint(OutputConstraint.c_str() + 1, Target);
-
+
const Expr *OutExpr = S.getOutputExpr(i);
OutExpr = OutExpr->IgnoreParenNoopCasts(getContext());
-
+
LValue Dest = EmitLValue(OutExpr);
if (!Constraints.empty())
Constraints += ',';
@@ -876,7 +876,7 @@
ResultRegDests.push_back(Dest);
ResultRegTypes.push_back(ConvertTypeForMem(OutExpr->getType()));
ResultTruncRegTypes.push_back(ResultRegTypes.back());
-
+
// If this output is tied to an input, and if the input is larger, then
// we need to set the actual result type of the inline asm node to be the
// same as the input type.
@@ -889,10 +889,10 @@
break;
}
assert(InputNo != S.getNumInputs() && "Didn't find matching input!");
-
+
QualType InputTy = S.getInputExpr(InputNo)->getType();
QualType OutputTy = OutExpr->getType();
-
+
uint64_t InputSize = getContext().getTypeSize(InputTy);
if (getContext().getTypeSize(OutputTy) < InputSize) {
// Form the asm to return the value as a larger integer type.
@@ -905,13 +905,13 @@
Constraints += "=*";
Constraints += OutputConstraint;
}
-
+
if (Info.isReadWrite()) {
InOutConstraints += ',';
const Expr *InputExpr = S.getOutputExpr(i);
llvm::Value *Arg = EmitAsmInput(S, Info, InputExpr, InOutConstraints);
-
+
if (Info.allowsRegister())
InOutConstraints += llvm::utostr(i);
else
@@ -921,9 +921,9 @@
InOutArgs.push_back(Arg);
}
}
-
+
unsigned NumConstraints = S.getNumOutputs() + S.getNumInputs();
-
+
for (unsigned i = 0, e = S.getNumInputs(); i != e; i++) {
const Expr *InputExpr = S.getInputExpr(i);
@@ -931,14 +931,14 @@
if (!Constraints.empty())
Constraints += ',';
-
+
// Simplify the input constraint.
std::string InputConstraint(S.getInputConstraint(i));
InputConstraint = SimplifyConstraint(InputConstraint.c_str(), Target,
&OutputConstraintInfos);
llvm::Value *Arg = EmitAsmInput(S, Info, InputExpr, Constraints);
-
+
// If this input argument is tied to a larger output result, extend the
// input to be the same size as the output. The LLVM backend wants to see
// the input and output of a matching constraint be the same size. Note
@@ -948,7 +948,7 @@
unsigned Output = Info.getTiedOperand();
QualType OutputTy = S.getOutputExpr(Output)->getType();
QualType InputTy = InputExpr->getType();
-
+
if (getContext().getTypeSize(OutputTy) >
getContext().getTypeSize(InputTy)) {
// Use ptrtoint as appropriate so that we can do our extension.
@@ -959,35 +959,35 @@
Arg = Builder.CreateZExt(Arg, llvm::IntegerType::get(VMContext, OutputSize));
}
}
-
-
+
+
ArgTypes.push_back(Arg->getType());
Args.push_back(Arg);
Constraints += InputConstraint;
}
-
+
// Append the "input" part of inout constraints last.
for (unsigned i = 0, e = InOutArgs.size(); i != e; i++) {
ArgTypes.push_back(InOutArgTypes[i]);
Args.push_back(InOutArgs[i]);
}
Constraints += InOutConstraints;
-
+
// Clobbers
for (unsigned i = 0, e = S.getNumClobbers(); i != e; i++) {
std::string Clobber(S.getClobber(i)->getStrData(),
S.getClobber(i)->getByteLength());
Clobber = Target.getNormalizedGCCRegisterName(Clobber.c_str());
-
+
if (i != 0 || NumConstraints != 0)
Constraints += ',';
-
+
Constraints += "~{";
Constraints += Clobber;
Constraints += '}';
}
-
+
// Add machine specific clobbers
std::string MachineClobbers = Target.getClobbers();
if (!MachineClobbers.empty()) {
@@ -1003,17 +1003,17 @@
ResultType = ResultRegTypes[0];
else
ResultType = llvm::StructType::get(VMContext, ResultRegTypes);
-
- const llvm::FunctionType *FTy =
+
+ const llvm::FunctionType *FTy =
llvm::FunctionType::get(ResultType, ArgTypes, false);
-
- llvm::InlineAsm *IA =
- llvm::InlineAsm::get(FTy, AsmString, Constraints,
+
+ llvm::InlineAsm *IA =
+ llvm::InlineAsm::get(FTy, AsmString, Constraints,
S.isVolatile() || S.getNumOutputs() == 0);
llvm::CallInst *Result = Builder.CreateCall(IA, Args.begin(), Args.end());
Result->addAttribute(~0, llvm::Attribute::NoUnwind);
-
-
+
+
// Extract all of the register value results from the asm.
std::vector<llvm::Value*> RegResults;
if (ResultRegTypes.size() == 1) {
@@ -1024,10 +1024,10 @@
RegResults.push_back(Tmp);
}
}
-
+
for (unsigned i = 0, e = RegResults.size(); i != e; ++i) {
llvm::Value *Tmp = RegResults[i];
-
+
// If the result type of the LLVM IR asm doesn't match the result type of
// the expression, do the conversion.
if (ResultRegTypes[i] != ResultTruncRegTypes[i]) {
@@ -1036,13 +1036,13 @@
// ResultTruncRegTypes can be a pointer.
uint64_t ResSize = CGM.getTargetData().getTypeSizeInBits(TruncTy);
Tmp = Builder.CreateTrunc(Tmp, llvm::IntegerType::get(VMContext, (unsigned)ResSize));
-
+
if (Tmp->getType() != TruncTy) {
assert(isa<llvm::PointerType>(TruncTy));
Tmp = Builder.CreateIntToPtr(Tmp, TruncTy);
}
}
-
+
EmitStoreThroughLValue(RValue::get(Tmp), ResultRegDests[i],
ResultRegQualTys[i]);
}