[GlobalISel] Fall back to SDISel for swifterror/swiftself attributes.
We don't currently support these, fall back until we do.
llvm-svn: 337994
diff --git a/llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp b/llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp
index d481220..bafb7a0 100644
--- a/llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp
@@ -1157,6 +1157,9 @@
MachineIRBuilder &MIRBuilder) {
auto &AI = cast<AllocaInst>(U);
+ if (AI.isSwiftError())
+ return false;
+
if (AI.isStaticAlloca()) {
unsigned Res = getOrCreateVReg(AI);
int FI = getOrCreateFrameIndex(AI);
@@ -1574,6 +1577,18 @@
MRI->createGenericVirtualRegister(getLLTForType(*Arg.getType(), *DL)));
}
+ // We don't currently support translating swifterror or swiftself functions.
+ for (auto &Arg : F.args()) {
+ if (Arg.hasSwiftErrorAttr() || Arg.hasSwiftSelfAttr()) {
+ OptimizationRemarkMissed R("gisel-irtranslator", "GISelFailure",
+ F.getSubprogram(), &F.getEntryBlock());
+ R << "unable to lower arguments due to swifterror/swiftself: "
+ << ore::NV("Prototype", F.getType());
+ reportTranslationError(*MF, *TPC, *ORE, R);
+ return false;
+ }
+ }
+
if (!CLI->lowerFormalArguments(EntryBuilder, F, VRegArgs)) {
OptimizationRemarkMissed R("gisel-irtranslator", "GISelFailure",
F.getSubprogram(), &F.getEntryBlock());