Autoupgrade malloc insts to malloc calls.

Update testcases that rely on malloc insts being present.

Also prematurely remove MallocInst handling from IndMemRemoval and RaiseAllocations to help pass tests in this incremental step.

llvm-svn: 84292

1 files changed, 9 insertions, 2 deletions

diff --git a/llvm/lib/Bitcode/Reader/BitcodeReader.cpp b/llvm/lib/Bitcode/Reader/BitcodeReader.cpp
index 4eb12c69eb6..fe4556f0a29 100644
--- a/llvm/lib/Bitcode/Reader/BitcodeReader.cpp
+++ b/llvm/lib/Bitcode/Reader/BitcodeReader.cpp
@@ -2044,14 +2044,21 @@ bool BitcodeReader::ParseFunctionBody(Function *F) {
     }
 
     case bitc::FUNC_CODE_INST_MALLOC: { // MALLOC: [instty, op, align]
+      // Autoupgrade malloc instruction to malloc call.
       if (Record.size() < 3)
         return Error("Invalid MALLOC record");
       const PointerType *Ty =
         dyn_cast_or_null<PointerType>(getTypeByID(Record[0]));
       Value *Size = getFnValueByID(Record[1], Type::getInt32Ty(Context));
-      unsigned Align = Record[2];
       if (!Ty || !Size) return Error("Invalid MALLOC record");
-      I = new MallocInst(Ty->getElementType(), Size, (1 << Align) >> 1);
+      if (!CurBB) return Error("Invalid malloc instruction with no BB");
+      const Type* Int32Ty = IntegerType::getInt32Ty(CurBB->getContext());
+      if (Size->getType() != Int32Ty)
+        Size = CastInst::CreateIntegerCast(Size, Int32Ty, false /*ZExt*/,
+                                           "", CurBB);
+      Value* Malloc = CallInst::CreateMalloc(CurBB, Int32Ty,
+                                             Ty->getElementType(), Size, NULL);
+      I = cast<Instruction>(Malloc);
       InstructionList.push_back(I);
       break;
     }