Keep track of memory allocated by alloca so that it is freed appropriately
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1776 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/ExecutionEngine/Interpreter/Execution.cpp b/lib/ExecutionEngine/Interpreter/Execution.cpp
index 9f6317f..8b910f6 100644
--- a/lib/ExecutionEngine/Interpreter/Execution.cpp
+++ b/lib/ExecutionEngine/Interpreter/Execution.cpp
@@ -741,15 +741,16 @@
}
// Allocate enough memory to hold the type...
- GenericValue Result;
// FIXME: Don't use CALLOC, use a tainted malloc.
- Result.PointerVal = (PointerTy)calloc(NumElements, TD.getTypeSize(Ty));
+ void *Memory = calloc(NumElements, TD.getTypeSize(Ty));
+
+ GenericValue Result;
+ Result.PointerVal = (PointerTy)Memory;
assert(Result.PointerVal != 0 && "Null pointer returned by malloc!");
SetValue(I, Result, SF);
- if (I->getOpcode() == Instruction::Alloca) {
- // TODO: FIXME: alloca should keep track of memory to free it later...
- }
+ if (I->getOpcode() == Instruction::Alloca)
+ ECStack.back().Allocas.add(Memory);
}
static void executeFreeInst(FreeInst *I, ExecutionContext &SF) {