1 files changed, 12 insertions, 0 deletions
diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
index b402f53..a1ad86e 100644
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -3191,6 +3191,15 @@ static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK,
 
   // Get the OpenMP target triples if any.
   if (Arg *A = Args.getLastArg(options::OPT_fopenmp_targets_EQ)) {
+    enum ArchPtrSize { Arch16Bit, Arch32Bit, Arch64Bit };
+    auto getArchPtrSize = [](const llvm::Triple &T) {
+      if (T.isArch16Bit())
+        return Arch16Bit;
+      if (T.isArch32Bit())
+        return Arch32Bit;
+      assert(T.isArch64Bit() && "Expected 64-bit architecture");
+      return Arch64Bit;
+    };
 
     for (unsigned i = 0; i < A->getNumValues(); ++i) {
       llvm::Triple TT(A->getValue(i));
@@ -3206,6 +3215,9 @@ static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK,
             TT.getArch() == llvm::Triple::x86 ||
             TT.getArch() == llvm::Triple::x86_64))
         Diags.Report(diag::err_drv_invalid_omp_target) << A->getValue(i);
+      else if (getArchPtrSize(T) != getArchPtrSize(TT))
+        Diags.Report(diag::err_drv_incompatible_omp_arch)
+            << A->getValue(i) << T.str();
       else
         Opts.OMPTargetTriples.push_back(TT);
     }