From f3840d2c16a4ec4c879a8ded402835746de380f8 Mon Sep 17 00:00:00 2001 From: Micah Villmow Date: Thu, 11 Oct 2012 17:21:41 +0000 Subject: Add in the first iteration of support for llvm/clang/lldb to allow variable per address space pointer sizes to be optimized correctly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165726 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Analysis/InstructionSimplify.cpp | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) (limited to 'lib/Analysis/InstructionSimplify.cpp') diff --git a/lib/Analysis/InstructionSimplify.cpp b/lib/Analysis/InstructionSimplify.cpp index b3d62487fc..8e326122fa 100644 --- a/lib/Analysis/InstructionSimplify.cpp +++ b/lib/Analysis/InstructionSimplify.cpp @@ -666,7 +666,8 @@ Value *llvm::SimplifyAddInst(Value *Op0, Value *Op1, bool isNSW, bool isNUW, /// 'Offset' APInt must be the bitwidth of the target's pointer size. static bool accumulateGEPOffset(const DataLayout &TD, GEPOperator *GEP, APInt &Offset) { - unsigned IntPtrWidth = TD.getPointerSizeInBits(); + unsigned AS = GEP->getPointerAddressSpace(); + unsigned IntPtrWidth = TD.getPointerSizeInBits(AS); assert(IntPtrWidth == Offset.getBitWidth()); gep_type_iterator GTI = gep_type_begin(GEP); @@ -696,12 +697,14 @@ static bool accumulateGEPOffset(const DataLayout &TD, GEPOperator *GEP, /// accumulates the total constant offset applied in the returned constant. It /// returns 0 if V is not a pointer, and returns the constant '0' if there are /// no constant offsets applied. +/// FIXME: This function also exists in InlineCost.cpp. static Constant *stripAndComputeConstantOffsets(const DataLayout &TD, Value *&V) { if (!V->getType()->isPointerTy()) return 0; - unsigned IntPtrWidth = TD.getPointerSizeInBits(); + unsigned AS = cast(V->getType())->getAddressSpace();; + unsigned IntPtrWidth = TD.getPointerSizeInBits(AS); APInt Offset = APInt::getNullValue(IntPtrWidth); // Even though we don't look through PHI nodes, we could be called on an @@ -1877,7 +1880,9 @@ static Value *SimplifyICmpInst(unsigned Predicate, Value *LHS, Value *RHS, // Turn icmp (ptrtoint x), (ptrtoint/constant) into a compare of the input // if the integer type is the same size as the pointer type. if (MaxRecurse && Q.TD && isa(LI) && - Q.TD->getPointerSizeInBits() == DstTy->getPrimitiveSizeInBits()) { + Q.TD->getPointerSizeInBits( + cast(LI)->getPointerAddressSpace()) == + DstTy->getPrimitiveSizeInBits()) { if (Constant *RHSC = dyn_cast(RHS)) { // Transfer the cast to the constant. if (Value *V = SimplifyICmpInst(Pred, SrcOp, -- cgit v1.2.3-18-g5258