Auto-upgrade free instructions to calls to the builtin free function.
Update all analysis passes and transforms to treat free calls just like FreeInst.
Remove RaiseAllocations and all its tests since FreeInst no longer needs to be raised.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84987 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AsmParser/LLParser.cpp b/lib/AsmParser/LLParser.cpp
index 271567b..52fd2b2 100644
--- a/lib/AsmParser/LLParser.cpp
+++ b/lib/AsmParser/LLParser.cpp
@@ -2800,7 +2800,7 @@
// Memory.
case lltok::kw_alloca: return ParseAlloc(Inst, PFS);
case lltok::kw_malloc: return ParseAlloc(Inst, PFS, BB, false);
- case lltok::kw_free: return ParseFree(Inst, PFS);
+ case lltok::kw_free: return ParseFree(Inst, PFS, BB);
case lltok::kw_load: return ParseLoad(Inst, PFS, false);
case lltok::kw_store: return ParseStore(Inst, PFS, false);
case lltok::kw_volatile:
@@ -3496,12 +3496,13 @@
/// ParseFree
/// ::= 'free' TypeAndValue
-bool LLParser::ParseFree(Instruction *&Inst, PerFunctionState &PFS) {
+bool LLParser::ParseFree(Instruction *&Inst, PerFunctionState &PFS,
+ BasicBlock* BB) {
Value *Val; LocTy Loc;
if (ParseTypeAndValue(Val, Loc, PFS)) return true;
if (!isa<PointerType>(Val->getType()))
return Error(Loc, "operand to free must be a pointer");
- Inst = new FreeInst(Val);
+ Inst = CallInst::CreateFree(Val, BB);
return false;
}
diff --git a/lib/AsmParser/LLParser.h b/lib/AsmParser/LLParser.h
index 5dd6a2e..b6877bc 100644
--- a/lib/AsmParser/LLParser.h
+++ b/lib/AsmParser/LLParser.h
@@ -280,7 +280,7 @@
bool ParseCall(Instruction *&I, PerFunctionState &PFS, bool isTail);
bool ParseAlloc(Instruction *&I, PerFunctionState &PFS,
BasicBlock *BB = 0, bool isAlloca = true);
- bool ParseFree(Instruction *&I, PerFunctionState &PFS);
+ bool ParseFree(Instruction *&I, PerFunctionState &PFS, BasicBlock *BB);
bool ParseLoad(Instruction *&I, PerFunctionState &PFS, bool isVolatile);
bool ParseStore(Instruction *&I, PerFunctionState &PFS, bool isVolatile);
bool ParseGetResult(Instruction *&I, PerFunctionState &PFS);