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

   1 // RUN: %clang_cc1 %s -triple powerpc64-ibm-aix-xcoff -o /dev/null -emit-llvm -verify=aix
   2 // RUN: %clang_cc1 %s -triple powerpc-ibm-aix-xcoff -o /dev/null -emit-llvm -verify=aix
   3 // RUN: %clang_cc1 %s -triple powerpc64-unknown-linux-gnu -o /dev/null -emit-llvm -verify=linux
   4 // RUN: %clang_cc1 %s -triple powerpc64le-unknown-linux-gnu -o /dev/null -emit-llvm -verify=linux
   5
   6 __attribute__((weak)) int func2(int i) {
   7   return 0;
   8 }
   9 int external_call2(int i) {
  10   // linux-error@+2 {{'musttail' attribute for this call is impossible because external calls cannot be tail called on PPC}}
  11   // aix-error@+1 {{'musttail' attribute is not supported on AIX}}
  12   [[clang::musttail]] return func2(i);
  13 }