From 4bb926d91dbd9842c20dbeb0d6abea7dee36e1fa Mon Sep 17 00:00:00 2001 From: Micah Villmow Date: Mon, 15 Oct 2012 16:24:29 +0000 Subject: Resubmit the changes to llvm core to update the functions to support different pointer sizes on a per address space basis. llvm-svn: 165941 --- llvm/lib/Analysis/ConstantFolding.cpp | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) (limited to 'llvm/lib/Analysis/ConstantFolding.cpp') diff --git a/llvm/lib/Analysis/ConstantFolding.cpp b/llvm/lib/Analysis/ConstantFolding.cpp index b7bf044..146897a 100644 --- a/llvm/lib/Analysis/ConstantFolding.cpp +++ b/llvm/lib/Analysis/ConstantFolding.cpp @@ -916,10 +916,11 @@ Constant *llvm::ConstantFoldInstOperands(unsigned Opcode, Type *DestTy, if (TD && CE->getOpcode() == Instruction::IntToPtr) { Constant *Input = CE->getOperand(0); unsigned InWidth = Input->getType()->getScalarSizeInBits(); - if (TD->getPointerSizeInBits() < InWidth) { + unsigned AS = cast(CE->getType())->getAddressSpace(); + if (TD->getPointerSizeInBits(AS) < InWidth) { Constant *Mask = ConstantInt::get(CE->getContext(), APInt::getLowBitsSet(InWidth, - TD->getPointerSizeInBits())); + TD->getPointerSizeInBits(AS))); Input = ConstantExpr::getAnd(Input, Mask); } // Do a zext or trunc to get to the dest size. @@ -932,9 +933,10 @@ Constant *llvm::ConstantFoldInstOperands(unsigned Opcode, Type *DestTy, // the int size is >= the ptr size. This requires knowing the width of a // pointer, so it can't be done in ConstantExpr::getCast. if (ConstantExpr *CE = dyn_cast(Ops[0])) - if (TD && - TD->getPointerSizeInBits() <= CE->getType()->getScalarSizeInBits() && - CE->getOpcode() == Instruction::PtrToInt) + if (TD && CE->getOpcode() == Instruction::PtrToInt && + TD->getPointerSizeInBits( + cast(CE->getOperand(0)->getType())->getAddressSpace()) + <= CE->getType()->getScalarSizeInBits()) return FoldBitCast(CE->getOperand(0), DestTy, *TD); return ConstantExpr::getCast(Opcode, Ops[0], DestTy); -- cgit v1.1