From a239e6879d111e50457970a35013f6abedfa7e5c Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Tue, 10 Sep 2002 22:38:47 +0000
Subject: Clean up code due to auto-insert constructors

llvm-svn: 3665
---
 llvm/lib/Transforms/Scalar/LowerAllocations.cpp | 25 ++++++++-----------------
 1 file changed, 8 insertions(+), 17 deletions(-)

(limited to 'llvm/lib/Transforms/Scalar/LowerAllocations.cpp')

diff --git a/llvm/lib/Transforms/Scalar/LowerAllocations.cpp b/llvm/lib/Transforms/Scalar/LowerAllocations.cpp
index bdb4f9c491d..001028eb21a 100644
--- a/llvm/lib/Transforms/Scalar/LowerAllocations.cpp
+++ b/llvm/lib/Transforms/Scalar/LowerAllocations.cpp
@@ -87,8 +87,6 @@ bool LowerAllocations::runOnBasicBlock(BasicBlock &BB) {
   // Loop over all of the instructions, looking for malloc or free instructions
   for (BasicBlock::iterator I = BB.begin(), E = BB.end(); I != E; ++I) {
     if (MallocInst *MI = dyn_cast<MallocInst>(&*I)) {
-      BBIL.remove(I);   // remove the malloc instr...
-
       const Type *AllocTy = MI->getType()->getElementType();
       
       // Get the number of bytes to be allocated for one element of the
@@ -101,39 +99,32 @@ bool LowerAllocations::runOnBasicBlock(BasicBlock &BB) {
         MallocArg = MI->getOperand(0);         // Operand * 1 = Operand
       } else if (MI->getNumOperands()) {
         // Multiply it by the array size if neccesary...
-        MallocArg = BinaryOperator::create(Instruction::Mul,MI->getOperand(0),
-                                           MallocArg);
-        I = ++BBIL.insert(I, cast<Instruction>(MallocArg));
+        MallocArg = BinaryOperator::create(Instruction::Mul, MI->getOperand(0),
+                                           MallocArg, "", I);
       }
       
       // Create the call to Malloc...
       CallInst *MCall = new CallInst(MallocFunc,
-                                     vector<Value*>(1, MallocArg));
-      I = BBIL.insert(I, MCall);
+                                     vector<Value*>(1, MallocArg), "", I);
       
       // Create a cast instruction to convert to the right type...
-      CastInst *MCast = new CastInst(MCall, MI->getType());
-      I = BBIL.insert(++I, MCast);
+      CastInst *MCast = new CastInst(MCall, MI->getType(), "", I);
       
       // Replace all uses of the old malloc inst with the cast inst
       MI->replaceAllUsesWith(MCast);
-      delete MI;                          // Delete the malloc inst
+      I = --BBIL.erase(I);         // remove and delete the malloc instr...
       Changed = true;
       ++NumLowered;
     } else if (FreeInst *FI = dyn_cast<FreeInst>(&*I)) {
-      BBIL.remove(I);
-      
       // Cast the argument to free into a ubyte*...
       CastInst *MCast = new CastInst(FI->getOperand(0), 
-                                     PointerType::get(Type::UByteTy));
-      I = ++BBIL.insert(I, MCast);
+                                     PointerType::get(Type::UByteTy), "", I);
       
       // Insert a call to the free function...
-      CallInst *FCall = new CallInst(FreeFunc, vector<Value*>(1, MCast));
-      I = BBIL.insert(I, FCall);
+      CallInst *FCall = new CallInst(FreeFunc, vector<Value*>(1, MCast), "", I);
       
       // Delete the old free instruction
-      delete FI;
+      I = --BBIL.erase(I);
       Changed = true;
       ++NumLowered;
     }
-- 
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