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Rename isNoReturn to doesNotReturn, and isNoUnwind to

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doesNotThrow.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45160 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan Sands
2007-12-18 09:59:50 +00:00
parent f311f53a0f
commit 2b0e8990ab
8 changed files with 21 additions and 21 deletions
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14
lib/Transforms/IPO/PruneEH.cpp
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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