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author | Matt Arsenault <Matthew.Arsenault@amd.com> | 2013-11-15 01:34:59 +0000 |
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committer | Matt Arsenault <Matthew.Arsenault@amd.com> | 2013-11-15 01:34:59 +0000 |
commit | 59d3ae6cdc4316ad338cd848251f33a236ccb36c (patch) | |
tree | aec8d2396d4a436295845b109fb15b73279a2186 /lib/IR/Constants.cpp | |
parent | 2b7fef0ad4bfaaf9fd41cda5abda35aab701b598 (diff) | |
download | external_llvm-59d3ae6cdc4316ad338cd848251f33a236ccb36c.zip external_llvm-59d3ae6cdc4316ad338cd848251f33a236ccb36c.tar.gz external_llvm-59d3ae6cdc4316ad338cd848251f33a236ccb36c.tar.bz2 |
Add addrspacecast instruction.
Patch by Michele Scandale!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194760 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/IR/Constants.cpp')
-rw-r--r-- | lib/IR/Constants.cpp | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/lib/IR/Constants.cpp b/lib/IR/Constants.cpp index 9067b34..a8a325a 100644 --- a/lib/IR/Constants.cpp +++ b/lib/IR/Constants.cpp @@ -1126,6 +1126,7 @@ getWithOperands(ArrayRef<Constant*> Ops, Type *Ty) const { case Instruction::PtrToInt: case Instruction::IntToPtr: case Instruction::BitCast: + case Instruction::AddrSpaceCast: return ConstantExpr::getCast(getOpcode(), Ops[0], Ty); case Instruction::Select: return ConstantExpr::getSelect(Ops[0], Ops[1], Ops[2]); @@ -1461,6 +1462,7 @@ Constant *ConstantExpr::getCast(unsigned oc, Constant *C, Type *Ty) { case Instruction::PtrToInt: return getPtrToInt(C, Ty); case Instruction::IntToPtr: return getIntToPtr(C, Ty); case Instruction::BitCast: return getBitCast(C, Ty); + case Instruction::AddrSpaceCast: return getAddrSpaceCast(C, Ty); } } @@ -1489,6 +1491,11 @@ Constant *ConstantExpr::getPointerCast(Constant *S, Type *Ty) { if (Ty->isIntOrIntVectorTy()) return getPtrToInt(S, Ty); + + unsigned SrcAS = S->getType()->getPointerAddressSpace(); + if (Ty->isPtrOrPtrVectorTy() && SrcAS != Ty->getPointerAddressSpace()) + return getAddrSpaceCast(S, Ty); + return getBitCast(S, Ty); } @@ -1662,6 +1669,13 @@ Constant *ConstantExpr::getBitCast(Constant *C, Type *DstTy) { return getFoldedCast(Instruction::BitCast, C, DstTy); } +Constant *ConstantExpr::getAddrSpaceCast(Constant *C, Type *DstTy) { + assert(CastInst::castIsValid(Instruction::AddrSpaceCast, C, DstTy) && + "Invalid constantexpr addrspacecast!"); + + return getFoldedCast(Instruction::AddrSpaceCast, C, DstTy); +} + Constant *ConstantExpr::get(unsigned Opcode, Constant *C1, Constant *C2, unsigned Flags) { // Check the operands for consistency first. |