[llvm-commits] [llvm] r106686 - in /llvm/trunk: include/llvm/Analysis/MemoryBuiltins.h lib/Analysis/MemoryBuiltins.cpp
Gabor Greif
ggreif at gmail.com
Wed Jun 23 14:51:12 PDT 2010
Author: ggreif
Date: Wed Jun 23 16:51:12 2010
New Revision: 106686
URL: http://llvm.org/viewvc/llvm-project?rev=106686&view=rev
Log:
minor enhancement to llvm::isFreeCall API: return CallInst; no functional change
Modified:
llvm/trunk/include/llvm/Analysis/MemoryBuiltins.h
llvm/trunk/lib/Analysis/MemoryBuiltins.cpp
Modified: llvm/trunk/include/llvm/Analysis/MemoryBuiltins.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Analysis/MemoryBuiltins.h?rev=106686&r1=106685&r2=106686&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Analysis/MemoryBuiltins.h (original)
+++ llvm/trunk/include/llvm/Analysis/MemoryBuiltins.h Wed Jun 23 16:51:12 2010
@@ -72,8 +72,8 @@
// free Call Utility Functions.
//
-/// isFreeCall - Returns true if the value is a call to the builtin free()
-bool isFreeCall(const Value *I);
+/// isFreeCall - Returns non-null if the value is a call to the builtin free()
+const CallInst *isFreeCall(const Value *I);
} // End llvm namespace
Modified: llvm/trunk/lib/Analysis/MemoryBuiltins.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/MemoryBuiltins.cpp?rev=106686&r1=106685&r2=106686&view=diff
==============================================================================
--- llvm/trunk/lib/Analysis/MemoryBuiltins.cpp (original)
+++ llvm/trunk/lib/Analysis/MemoryBuiltins.cpp Wed Jun 23 16:51:12 2010
@@ -183,25 +183,25 @@
// free Call Utility Functions.
//
-/// isFreeCall - Returns true if the value is a call to the builtin free()
-bool llvm::isFreeCall(const Value *I) {
+/// isFreeCall - Returns non-null if the value is a call to the builtin free()
+const CallInst *llvm::isFreeCall(const Value *I) {
const CallInst *CI = dyn_cast<CallInst>(I);
if (!CI)
- return false;
+ return 0;
Function *Callee = CI->getCalledFunction();
if (Callee == 0 || !Callee->isDeclaration() || Callee->getName() != "free")
- return false;
+ return 0;
// Check free prototype.
// FIXME: workaround for PR5130, this will be obsolete when a nobuiltin
// attribute will exist.
const FunctionType *FTy = Callee->getFunctionType();
if (!FTy->getReturnType()->isVoidTy())
- return false;
+ return 0;
if (FTy->getNumParams() != 1)
- return false;
+ return 0;
if (FTy->param_begin()->get() != Type::getInt8PtrTy(Callee->getContext()))
- return false;
+ return 0;
- return true;
+ return CI;
}
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