lto/addAsmGlobalSymbols: fail fracefully when the target does not define AsmParser.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139283 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/lto/LTOModule.cpp b/tools/lto/LTOModule.cpp
index f6dc7d9..6b4e2d2 100644
--- a/tools/lto/LTOModule.cpp
+++ b/tools/lto/LTOModule.cpp
@@ -165,7 +165,7 @@
std::string CPU;
TargetMachine *target = march->createTargetMachine(Triple, CPU, FeatureStr);
LTOModule *Ret = new LTOModule(m.take(), target);
- bool Err = Ret->ParseSymbols();
+ bool Err = Ret->ParseSymbols(errMsg);
if (Err) {
delete Ret;
return NULL;
@@ -613,7 +613,7 @@
};
}
-bool LTOModule::addAsmGlobalSymbols(MCContext &Context) {
+bool LTOModule::addAsmGlobalSymbols(MCContext &Context, std::string &errMsg) {
const std::string &inlineAsm = _module->getModuleInlineAsm();
OwningPtr<RecordStreamer> Streamer(new RecordStreamer(Context));
@@ -629,6 +629,12 @@
_target->getTargetFeatureString()));
OwningPtr<MCTargetAsmParser>
TAP(_target->getTarget().createMCAsmParser(*STI, *Parser.get()));
+ if (!TAP) {
+ errMsg = "target " + std::string(_target->getTarget().getName()) +
+ " does not define AsmParser.";
+ return true;
+ }
+
Parser->setTargetParser(*TAP);
int Res = Parser->Run(false);
if (Res)
@@ -661,7 +667,7 @@
return isDeclaration(*V.getAliasedGlobal());
}
-bool LTOModule::ParseSymbols() {
+bool LTOModule::ParseSymbols(std::string &errMsg) {
// Use mangler to add GlobalPrefix to names to match linker names.
MCContext Context(*_target->getMCAsmInfo(), *_target->getRegisterInfo(),NULL);
Mangler mangler(Context, *_target->getTargetData());
@@ -684,7 +690,7 @@
}
// add asm globals
- if (addAsmGlobalSymbols(Context))
+ if (addAsmGlobalSymbols(Context, errMsg))
return true;
// add aliases