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Add a FIXME in SelectionDAGBuilder before an assert that is valid only on X86.

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When lowering memcpy, memset or memmove, this assert checks whether the pointer
operands are in an address space < 256 which means "user defined address space"
on X86.  However, this notion of "user defined address space" does not exist
for other targets.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@227191 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Manuel Jacob 2015-01-27 13:14:35 +00:00
parent ad5a857bc5
commit 145de00800
1 changed files with 3 additions and 0 deletions
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3
lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
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@ -4775,6 +4775,7 @@ SelectionDAGBuilder::visitIntrinsicCall(const CallInst &I, unsigned Intrinsic) {
case Intrinsic::longjmp:
return &"_longjmp"[!TLI.usesUnderscoreLongJmp()];
case Intrinsic::memcpy: {
// FIXME: this definition of "user defined address space" is x86-specific
// Assert for address < 256 since we support only user defined address
// spaces.
assert(cast<PointerType>(I.getArgOperand(0)->getType())->getAddressSpace()
@ -4795,6 +4796,7 @@ SelectionDAGBuilder::visitIntrinsicCall(const CallInst &I, unsigned Intrinsic) {
return nullptr;
}
case Intrinsic::memset: {
// FIXME: this definition of "user defined address space" is x86-specific
// Assert for address < 256 since we support only user defined address
// spaces.
assert(cast<PointerType>(I.getArgOperand(0)->getType())->getAddressSpace()
@ -4812,6 +4814,7 @@ SelectionDAGBuilder::visitIntrinsicCall(const CallInst &I, unsigned Intrinsic) {
return nullptr;
}
case Intrinsic::memmove: {
// FIXME: this definition of "user defined address space" is x86-specific
// Assert for address < 256 since we support only user defined address
// spaces.
assert(cast<PointerType>(I.getArgOperand(0)->getType())->getAddressSpace()