[llvm] r355455 - [opt] Report if the provided architecture is invalid.

[Florian Hahn via llvm-commits]

Author: fhahn
Date: Tue Mar  5 15:10:28 2019
New Revision: 355455

URL: http://llvm.org/viewvc/llvm-project?rev=355455&view=rev
Log:
[opt] Report if the provided architecture is invalid.

Partly addresses PR15026.

There are a few tests that passed in invalid architectures, which are fixed in: rL355349 and D58931

Reviewers: echristo, efriedma, rengolin, atrick

Reviewed By: efriedma

Differential Revision: https://reviews.llvm.org/D58933

Modified:
    llvm/trunk/tools/opt/opt.cpp

Modified: llvm/trunk/tools/opt/opt.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/opt/opt.cpp?rev=355455&r1=355454&r2=355455&view=diff
==============================================================================
--- llvm/trunk/tools/opt/opt.cpp (original)
+++ llvm/trunk/tools/opt/opt.cpp Tue Mar  5 15:10:28 2019
@@ -639,6 +639,11 @@ int main(int argc, char **argv) {
     CPUStr = getCPUStr();
     FeaturesStr = getFeaturesStr();
     Machine = GetTargetMachine(ModuleTriple, CPUStr, FeaturesStr, Options);
+  } else if (ModuleTriple.getArchName() != "unknown" &&
+             ModuleTriple.getArchName() != "") {
+    errs() << argv[0] << ": unrecognized architecture '"
+           << ModuleTriple.getArchName() << "' provided.\n";
+    return 1;
   }
 
   std::unique_ptr<TargetMachine> TM(Machine);