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[OPENMP]Simplify printing of declare variant attribute, NFC.

This commit is contained in:
Alexey Bataev 2019-11-26 11:10:58 -05:00
parent 4965779f17
commit 87c3f4a5e0
1 changed files with 28 additions and 23 deletions
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51
clang/include/clang/Basic/Attr.td
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@ -3335,20 +3335,40 @@ def OMPDeclareVariant : InheritableAttr {
}
// TODO: add printing of real context selectors.
OS << " match(";
int Used[OMP_CTX_SET_unknown] = {0};
for (unsigned I = 0, E = ctxSelectorSets_size(); I < E; ++I) {
auto CtxSet = static_cast<OpenMPContextSelectorSetKind>(
*std::next(ctxSelectorSets_begin(), I));
auto Ctx = static_cast<OpenMPContextSelectorKind>(
*std::next(ctxSelectors_begin(), I));
assert(CtxSet != OMP_CTX_SET_unknown && Ctx != OMP_CTX_unknown &&
"Unknown context selector.");
if (Used[CtxSet])
continue;
if (I > 0)
OS << ",";
switch (CtxSet) {
case OMP_CTX_SET_implementation:
OS << "implementation={";
break;
case OMP_CTX_SET_device:
OS << "device={";
break;
case OMP_CTX_SET_unknown:
llvm_unreachable("Unknown context selector set.");
}
Used[CtxSet] = 1;
for (unsigned K = I, EK = ctxSelectors_size(); K < EK; ++K) {
auto CtxSetK = static_cast<OpenMPContextSelectorSetKind>(
*std::next(ctxSelectorSets_begin(), K));
if (CtxSet != CtxSetK)
continue;
if (K != I)
OS << ",";
auto Ctx = static_cast<OpenMPContextSelectorKind>(
*std::next(ctxSelectors_begin(), K));
switch (Ctx) {
case OMP_CTX_vendor:
assert(CtxSet == OMP_CTX_SET_implementation &&
"Expected implementation context selector set.");
OS << "vendor(";
printScore(OS, Policy, I);
printScore(OS, Policy, K);
if (implVendors_size() > 0) {
OS << *implVendors(). begin();
for (StringRef VendorName : llvm::drop_begin(implVendors(), 1))
@ -3357,16 +3377,8 @@ def OMPDeclareVariant : InheritableAttr {
OS << ")";
break;
case OMP_CTX_kind:
llvm_unreachable("Unexpected context selector in implementation set.");
case OMP_CTX_unknown:
llvm_unreachable("Unknown context selector.");
}
OS << "}";
break;
case OMP_CTX_SET_device:
OS << "device={";
switch (Ctx) {
case OMP_CTX_kind:
assert(CtxSet == OMP_CTX_SET_device &&
"Expected device context selector set.");
OS << "kind(";
if (deviceKinds_size() > 0) {
OS << *deviceKinds().begin();
@ -3375,18 +3387,11 @@ def OMPDeclareVariant : InheritableAttr {
}
OS << ")";
break;
case OMP_CTX_vendor:
llvm_unreachable("Unexpected context selector in device set.");
case OMP_CTX_unknown:
llvm_unreachable("Unknown context selector.");
}
OS << "}";
break;
case OMP_CTX_SET_unknown:
llvm_unreachable("Unknown context selector set.");
}
if (I != E - 1)
OS << ",";
OS << "}";
}
OS << ")";
}