Rename isNoReturn to doesNotReturn, and isNoUnwind to

doesNotThrow.

llvm-svn: 45160
This commit is contained in:
Duncan Sands 2007-12-18 09:59:50 +00:00
parent 30291f4a30
commit 3353ed09ac
8 changed files with 21 additions and 21 deletions

View File

@ -166,12 +166,12 @@ public:
}
/// @brief Determine if the function cannot return.
bool isNoReturn() const {
bool doesNotReturn() const {
return paramHasAttr(0, ParamAttr::NoReturn);
}
/// @brief Determine if the function cannot unwind.
bool isNoUnwind() const {
bool doesNotThrow() const {
return paramHasAttr(0, ParamAttr::NoUnwind);
}

View File

@ -940,12 +940,12 @@ public:
}
/// @brief Determine if the call cannot return.
bool isNoReturn() const {
bool doesNotReturn() const {
return paramHasAttr(0, ParamAttr::NoReturn);
}
/// @brief Determine if the call cannot unwind.
bool isNoUnwind() const {
bool doesNotThrow() const {
return paramHasAttr(0, ParamAttr::NoUnwind);
}
@ -1744,12 +1744,12 @@ public:
}
/// @brief Determine if the call cannot return.
bool isNoReturn() const {
bool doesNotReturn() const {
return paramHasAttr(0, ParamAttr::NoReturn);
}
/// @brief Determine if the call cannot unwind.
bool isNoUnwind() const {
bool doesNotThrow() const {
return paramHasAttr(0, ParamAttr::NoUnwind);
}

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@ -74,7 +74,7 @@ public:
bool onlyReadsMemory() const;
/// @brief Determine if the call cannot unwind.
bool isNoUnwind() const;
bool doesNotThrow() const;
/// getType - Return the type of the instruction that generated this call site
///

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@ -74,11 +74,11 @@ bool PruneEH::runOnSCC(const std::vector<CallGraphNode *> &SCC) {
SCCMightUnwind = true;
SCCMightReturn = true;
} else if (F->isDeclaration()) {
SCCMightUnwind |= !F->isNoUnwind();
SCCMightReturn |= !F->isNoReturn();
SCCMightUnwind |= !F->doesNotThrow();
SCCMightReturn |= !F->doesNotReturn();
} else {
bool CheckUnwind = !SCCMightUnwind && !F->isNoUnwind();
bool CheckReturn = !SCCMightReturn && !F->isNoReturn();
bool CheckUnwind = !SCCMightUnwind && !F->doesNotThrow();
bool CheckReturn = !SCCMightReturn && !F->doesNotReturn();
if (!CheckUnwind && !CheckReturn)
continue;
@ -98,7 +98,7 @@ bool PruneEH::runOnSCC(const std::vector<CallGraphNode *> &SCC) {
if (CheckUnwind && !SCCMightUnwind)
for (BasicBlock::iterator I = BB->begin(), E = BB->end(); I != E; ++I)
if (CallInst *CI = dyn_cast<CallInst>(I)) {
if (CI->isNoUnwind()) {
if (CI->doesNotThrow()) {
// This call cannot throw.
} else if (Function *Callee = CI->getCalledFunction()) {
CallGraphNode *CalleeNode = CG[Callee];
@ -155,7 +155,7 @@ bool PruneEH::SimplifyFunction(Function *F) {
bool MadeChange = false;
for (Function::iterator BB = F->begin(), E = F->end(); BB != E; ++BB) {
if (InvokeInst *II = dyn_cast<InvokeInst>(BB->getTerminator()))
if (II->isNoUnwind()) {
if (II->doesNotThrow()) {
SmallVector<Value*, 8> Args(II->op_begin()+3, II->op_end());
// Insert a call instruction before the invoke.
CallInst *Call = new CallInst(II->getCalledValue(),
@ -187,7 +187,7 @@ bool PruneEH::SimplifyFunction(Function *F) {
for (BasicBlock::iterator I = BB->begin(), E = BB->end(); I != E; )
if (CallInst *CI = dyn_cast<CallInst>(I++))
if (CI->isNoReturn() && !isa<UnreachableInst>(I)) {
if (CI->doesNotReturn() && !isa<UnreachableInst>(I)) {
// This call calls a function that cannot return. Insert an
// unreachable instruction after it and simplify the code. Do this
// by splitting the BB, adding the unreachable, then deleting the

View File

@ -8039,7 +8039,7 @@ Instruction *InstCombiner::visitCallSite(CallSite CS) {
}
}
if (isa<InlineAsm>(Callee) && !CS.isNoUnwind()) {
if (isa<InlineAsm>(Callee) && !CS.paramHasAttr(0, ParamAttr::NoUnwind)) {
// Inline asm calls cannot throw - mark them 'nounwind'.
const ParamAttrsList *PAL = CS.getParamAttrs();
uint16_t RAttributes = PAL ? PAL->getParamAttrs(0) : 0;

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@ -111,7 +111,7 @@ static bool MarkAliveBlocks(BasicBlock *BB,
// canonicalizes unreachable insts into stores to null or undef.
for (BasicBlock::iterator BBI = BB->begin(), E = BB->end(); BBI != E;++BBI){
if (CallInst *CI = dyn_cast<CallInst>(BBI)) {
if (CI->isNoReturn()) {
if (CI->doesNotReturn()) {
// If we found a call to a no-return function, insert an unreachable
// instruction after it. Make sure there isn't *already* one there
// though.
@ -135,7 +135,7 @@ static bool MarkAliveBlocks(BasicBlock *BB,
// Turn invokes that call 'nounwind' functions into ordinary calls.
if (InvokeInst *II = dyn_cast<InvokeInst>(BB->getTerminator()))
if (II->isNoUnwind()) {
if (II->doesNotThrow()) {
ChangeToCall(II);
Changed = true;
}

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@ -70,7 +70,7 @@ static void HandleInlinedInvoke(InvokeInst *II, BasicBlock *FirstNewBlock,
CallInst *CI = cast<CallInst>(I);
// If this call cannot unwind, don't convert it to an invoke.
if (CI->isNoUnwind())
if (CI->doesNotThrow())
continue;
// Convert this function call into an invoke instruction.

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@ -65,11 +65,11 @@ bool CallSite::onlyReadsMemory() const {
else
return cast<InvokeInst>(I)->onlyReadsMemory();
}
bool CallSite::isNoUnwind() const {
bool CallSite::doesNotThrow() const {
if (CallInst *CI = dyn_cast<CallInst>(I))
return CI->isNoUnwind();
return CI->doesNotThrow();
else
return cast<InvokeInst>(I)->isNoUnwind();
return cast<InvokeInst>(I)->doesNotThrow();
}
//===----------------------------------------------------------------------===//