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fix crash when the malloc/free function is defined or is a declaration with 0 parameters. 

this pass doesnt seem to be used, but still it's now a little more correct

llvm-svn: 55873
This commit is contained in:
Nuno Lopes 2008-09-06 17:44:06 +00:00
parent 95c2a7848a
commit 421f488cb7
1 changed files with 2 additions and 4 deletions
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6
llvm/lib/Transforms/IPO/IndMemRemoval.cpp
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@ -51,8 +51,7 @@ bool IndMemRemPass::runOnModule(Module &M) {
//happen through intrinsics. //happen through intrinsics.
bool changed = false; bool changed = false;
if (Function* F = M.getFunction("free")) { if (Function* F = M.getFunction("free")) {
assert(F->isDeclaration() && "free not external?"); if (F->isDeclaration() && F->arg_size() == 1 && !F->use_empty()) {
if (!F->use_empty()) {
Function* FN = Function::Create(F->getFunctionType(), Function* FN = Function::Create(F->getFunctionType(),
GlobalValue::LinkOnceLinkage, GlobalValue::LinkOnceLinkage,
"free_llvm_bounce", &M); "free_llvm_bounce", &M);
@ -66,8 +65,7 @@ bool IndMemRemPass::runOnModule(Module &M) {
} }
} }
if (Function* F = M.getFunction("malloc")) { if (Function* F = M.getFunction("malloc")) {
assert(F->isDeclaration() && "malloc not external?"); if (F->isDeclaration() && F->arg_size() == 1 && !F->use_empty()) {
if (!F->use_empty()) {
Function* FN = Function::Create(F->getFunctionType(), Function* FN = Function::Create(F->getFunctionType(),
GlobalValue::LinkOnceLinkage, GlobalValue::LinkOnceLinkage,
"malloc_llvm_bounce", &M); "malloc_llvm_bounce", &M);