clang/test/CodeGen/PowerPC/musttail-forward-declaration-weak.c

   1 // RUN: %clang_cc1 %s -triple powerpc64le-unknown-linux-gnu -o /dev/null -emit-llvm -verify
   2 // RUN: %clang_cc1 %s -triple powerpc64-unknown-linux-gnu -o /dev/null -emit-llvm -verify
   3
   4 int func2(int i);
   5 int external_call2(int i) {
   6   // expected-error@+1 {{'musttail' attribute for this call is impossible because external calls cannot be tail called on PPC}}
   7   [[clang::musttail]] return func2(i);
   8 }
   9
  10 __attribute__((weak)) int func2(int i) {
  11   return 0;
  12 }