clang/test/CodeGen/attr-mprefer-vector-width.c

   1 // RUN: %clang_cc1 -mprefer-vector-width=128 -emit-llvm %s -o - | FileCheck %s --check-prefix=CHECK128
   2 // RUN: %clang_cc1 -mprefer-vector-width=256 -emit-llvm %s -o - | FileCheck %s --check-prefix=CHECK256
   3 // RUN: %clang_cc1 -mprefer-vector-width=none -emit-llvm %s -o - | FileCheck %s --check-prefix=CHECKNONE
   4
   5 int baz(int a) { return 4; }
   6
   7 // CHECK128: baz{{.*}} #0
   8 // CHECK128: #0 = {{.*}}"prefer-vector-width"="128"
   9
  10 // CHECK256: baz{{.*}} #0
  11 // CHECK256: #0 = {{.*}}"prefer-vector-width"="256"
  12
  13 // CHECKNONE: baz{{.*}} #0
  14 // CHECKNONE-NOT: #0 = {{.*}}"prefer-vector-width"="none"