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rdar://11542750 - llvm.trap should be marked no return.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157551 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2012-05-27 23:20:41 +00:00
parent 8e33712013
commit 86208903cb
6 changed files with 43 additions and 8 deletions
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25
utils/TableGen/IntrinsicEmitter.cpp
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@@ -451,6 +451,9 @@ namespace {
if (L->canThrow != R->canThrow)
return R->canThrow;
if (L->isNoReturn != R->isNoReturn)
return R->isNoReturn;
// Try to order by readonly/readnone attribute.
ModRefKind LK = getModRefKind(*L);
ModRefKind RK = getModRefKind(*R);
@@ -549,16 +552,30 @@ EmitAttributes(const std::vector<CodeGenIntrinsic> &Ints, raw_ostream &OS) {
ModRefKind modRef = getModRefKind(intrinsic);
if (!intrinsic.canThrow || modRef) {
if (!intrinsic.canThrow || modRef || intrinsic.isNoReturn) {
OS << " AWI[" << numAttrs++ << "] = AttributeWithIndex::get(~0, ";
bool Emitted = false;
if (!intrinsic.canThrow) {
OS << "Attribute::NoUnwind";
if (modRef) OS << '|';
Emitted = true;
}
if (intrinsic.isNoReturn) {
if (Emitted) OS << '|';
OS << "Attribute::NoReturn";
Emitted = true;
}
switch (modRef) {
case MRK_none: break;
case MRK_readonly: OS << "Attribute::ReadOnly"; break;
case MRK_readnone: OS << "Attribute::ReadNone"; break;
case MRK_readonly:
if (Emitted) OS << '|';
OS << "Attribute::ReadOnly";
break;
case MRK_readnone:
if (Emitted) OS << '|';
OS << "Attribute::ReadNone";
break;
}
OS << ");\n";
}