6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-06-16 12:24:03 +00:00
Code Issues Projects Releases Wiki Activity

Reapply address space patch after fixing an issue in MemCopyOptimizer.

Browse Source 
Added support for address spaces and added a isVolatile field to memcpy, memmove, and memset,
e.g., llvm.memcpy.i32(i8*, i8*, i32, i32) -> llvm.memcpy.p0i8.p0i8.i32(i8*, i8*, i32, i32, i1)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100304 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Mon P Wang
2010-04-04 03:10:48 +00:00
parent 0c08d09204
commit 20adc9dc46
28 changed files with 317 additions and 145 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
lib/Transforms/Utils/InlineFunction.cpp
View File

@ -297,10 +297,10 @@ bool llvm::InlineFunction(CallSite CS, CallGraph *CG, const TargetData *TD,
I->getName(),
&*Caller->begin()->begin());
// Emit a memcpy.
const Type *Tys[] = { Type::getInt64Ty(Context) };
const Type *Tys[3] = {VoidPtrTy, VoidPtrTy, Type::getInt64Ty(Context)};
Function *MemCpyFn = Intrinsic::getDeclaration(Caller->getParent(),
Intrinsic::memcpy,
Tys, 1);
Tys, 3);
Value *DestCast = new BitCastInst(NewAlloca, VoidPtrTy, "tmp", TheCall);
Value *SrcCast = new BitCastInst(*AI, VoidPtrTy, "tmp", TheCall);
@ -309,17 +309,18 @@ bool llvm::InlineFunction(CallSite CS, CallGraph *CG, const TargetData *TD,
Size = ConstantExpr::getSizeOf(AggTy);
else
Size = ConstantInt::get(Type::getInt64Ty(Context),
TD->getTypeStoreSize(AggTy));
TD->getTypeStoreSize(AggTy));
// Always generate a memcpy of alignment 1 here because we don't know
// the alignment of the src pointer. Other optimizations can infer
// better alignment.
Value *CallArgs[] = {
DestCast, SrcCast, Size,
ConstantInt::get(Type::getInt32Ty(Context), 1)
ConstantInt::get(Type::getInt32Ty(Context), 1),
ConstantInt::get(Type::getInt1Ty(Context), 0)
};
CallInst *TheMemCpy =
CallInst::Create(MemCpyFn, CallArgs, CallArgs+4, "", TheCall);
CallInst::Create(MemCpyFn, CallArgs, CallArgs+5, "", TheCall);
// If we have a call graph, update it.
if (CG) {