clang/test/CodeGenCXX/fastcall.cpp

   1 // RUN: %clang_cc1 -no-enable-noundef-analysis -triple i386-unknown-unknown -emit-llvm -o - %s | FileCheck %s
   2
   3 void __attribute__((fastcall)) foo1(int &y);
   4 void bar1(int &y) {
   5   // CHECK-LABEL: define{{.*}} void @_Z4bar1Ri
   6   // CHECK: call x86_fastcallcc void @_Z4foo1Ri(ptr inreg nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) %
   7   foo1(y);
   8 }
   9
  10 struct S1 {
  11   int x;
  12   S1(const S1 &y);
  13 };
  14
  15 void __attribute__((fastcall)) foo2(S1 a, int b);
  16 void bar2(S1 a, int b) {
  17   // CHECK-LABEL: define{{.*}} void @_Z4bar22S1i
  18   // CHECK: call x86_fastcallcc void @_Z4foo22S1i(ptr inreg %{{.*}}, i32 inreg %
  19   foo2(a, b);
  20 }