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Remove the API compatibility layer which converted add, sub, and mul

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to fadd, fsub, and fmul, when used with a floating-point type. LLVM
has supported the new instructions since 2.6, so it's time to get
on board.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102971 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2010-05-03 22:44:19 +00:00
parent b98c549d13
commit 1eaac53261
3 changed files with 27 additions and 34 deletions
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lib/AsmParser/LLParser.cpp
+23 -7
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@@ -2351,11 +2351,28 @@ bool LLParser::ParseValID(ValID &ID, PerFunctionState *PFS) {
if (NSW)
return Error(ModifierLoc, "nsw only applies to integer operations");
}
// API compatibility: Accept either integer or floating-point types with
// add, sub, and mul.
if (!Val0->getType()->isIntOrIntVectorTy() &&
!Val0->getType()->isFPOrFPVectorTy())
return Error(ID.Loc,"constexpr requires integer, fp, or vector operands");
// Check that the type is valid for the operator.
switch (Opc) {
case Instruction::Add:
case Instruction::Sub:
case Instruction::Mul:
case Instruction::UDiv:
case Instruction::SDiv:
case Instruction::URem:
case Instruction::SRem:
if (!Val0->getType()->isIntOrIntVectorTy())
return Error(ID.Loc, "constexpr requires integer operands");
break;
case Instruction::FAdd:
case Instruction::FSub:
case Instruction::FMul:
case Instruction::FDiv:
case Instruction::FRem:
if (!Val0->getType()->isFPOrFPVectorTy())
return Error(ID.Loc, "constexpr requires fp operands");
break;
default: llvm_unreachable("Unknown binary operator!");
}
unsigned Flags = 0;
if (NUW) Flags |= OverflowingBinaryOperator::NoUnsignedWrap;
if (NSW) Flags |= OverflowingBinaryOperator::NoSignedWrap;
@@ -3000,8 +3017,7 @@ int LLParser::ParseInstruction(Instruction *&Inst, BasicBlock *BB,
if (EatIfPresent(lltok::kw_nuw))
NUW = true;
}
// API compatibility: Accept either integer or floating-point types.
bool Result = ParseArithmetic(Inst, PFS, KeywordVal, 0);
bool Result = ParseArithmetic(Inst, PFS, KeywordVal, 1);
if (!Result) {
if (!Inst->getType()->isIntOrIntVectorTy()) {
if (NUW)