clang/test/CodeGenCXX/attr-cpuspecific-outoflinedefs.cpp

   1 // RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm -o - %s | FileCheck %s --check-prefix=LINUX
   2 // RUN: %clang_cc1 -triple x86_64-windows-pc -fms-compatibility -emit-llvm -o - %s | FileCheck %s --check-prefix=WINDOWS
   3
   4 struct OutOfLineDefs {
   5   int foo(int);
   6   int foo(int, int);
   7   __attribute__((cpu_specific(atom))) int foo(int, int, int) { return 1; }
   8 };
   9
  10 int __attribute__((cpu_specific(atom))) OutOfLineDefs::foo(int) {
  11   return 1;
  12 }
  13 int __attribute__((cpu_specific(ivybridge))) OutOfLineDefs::foo(int) {
  14   return 2;
  15 }
  16 int __attribute__((cpu_dispatch(ivybridge, atom))) OutOfLineDefs::foo(int) {
  17 }
  18
  19 int __attribute__((cpu_specific(atom))) OutOfLineDefs::foo(int, int) {
  20   return 1;
  21 }
  22 int __attribute__((cpu_specific(ivybridge))) OutOfLineDefs::foo(int, int) {
  23   return 2;
  24 }
  25 int __attribute__((cpu_dispatch(ivybridge, atom)))
  26 OutOfLineDefs::foo(int, int) {
  27 }
  28
  29 int __attribute__((cpu_specific(ivybridge))) OutOfLineDefs::foo(int, int, int) {
  30   return 2;
  31 }
  32 int __attribute__((cpu_specific(sandybridge)))
  33 OutOfLineDefs::foo(int, int, int) {
  34   return 3;
  35 }
  36 int __attribute__((cpu_dispatch(sandybridge, ivybridge, atom)))
  37 OutOfLineDefs::foo(int, int, int) {
  38 }
  39
  40 // IFunc definitions, Linux only.
  41 // LINUX: @_ZN13OutOfLineDefs3fooEi = weak_odr alias i32 (ptr, i32), ptr @_ZN13OutOfLineDefs3fooEi.ifunc
  42 // LINUX: @_ZN13OutOfLineDefs3fooEii = weak_odr alias i32 (ptr, i32, i32), ptr @_ZN13OutOfLineDefs3fooEii.ifunc
  43 // LINUX: @_ZN13OutOfLineDefs3fooEiii = weak_odr alias i32 (ptr, i32, i32, i32), ptr @_ZN13OutOfLineDefs3fooEiii.ifunc
  44
  45 // LINUX: @_ZN13OutOfLineDefs3fooEi.ifunc = weak_odr ifunc i32 (ptr, i32), ptr @_ZN13OutOfLineDefs3fooEi.resolver
  46 // LINUX: @_ZN13OutOfLineDefs3fooEii.ifunc = weak_odr ifunc i32 (ptr, i32, i32), ptr @_ZN13OutOfLineDefs3fooEii.resolver
  47 // LINUX: @_ZN13OutOfLineDefs3fooEiii.ifunc = weak_odr ifunc i32 (ptr, i32, i32, i32), ptr @_ZN13OutOfLineDefs3fooEiii.resolver
  48
  49 // Arity 1 version:
  50 // LINUX: define dso_local noundef i32 @_ZN13OutOfLineDefs3fooEi.O
  51 // LINUX: define dso_local noundef i32 @_ZN13OutOfLineDefs3fooEi.S
  52 // LINUX: define weak_odr ptr @_ZN13OutOfLineDefs3fooEi.resolver()
  53 // LINUX: ret ptr @_ZN13OutOfLineDefs3fooEi.S
  54 // LINUX: ret ptr @_ZN13OutOfLineDefs3fooEi.O
  55 // LINUX: call void @llvm.trap
  56
  57 // WINDOWS: define dso_local noundef i32 @"?foo@OutOfLineDefs@@QEAAHH@Z.O"
  58 // WINDOWS: define dso_local noundef i32 @"?foo@OutOfLineDefs@@QEAAHH@Z.S"
  59 // WINDOWS: define weak_odr dso_local i32 @"?foo@OutOfLineDefs@@QEAAHH@Z"(ptr %0, i32 %1)
  60 // WINDOWS: musttail call i32 @"?foo@OutOfLineDefs@@QEAAHH@Z.S"(ptr %0, i32 %1)
  61 // WINDOWS: musttail call i32 @"?foo@OutOfLineDefs@@QEAAHH@Z.O"(ptr %0, i32 %1)
  62 // WINDOWS: call void @llvm.trap
  63
  64 // Arity 2 version:
  65 // LINUX: define dso_local noundef i32 @_ZN13OutOfLineDefs3fooEii.O
  66 // LINUX: define dso_local noundef i32 @_ZN13OutOfLineDefs3fooEii.S
  67 // LINUX: define weak_odr ptr @_ZN13OutOfLineDefs3fooEii.resolver()
  68 // LINUX: ret ptr @_ZN13OutOfLineDefs3fooEii.S
  69 // LINUX: ret ptr @_ZN13OutOfLineDefs3fooEii.O
  70 // LINUX: call void @llvm.trap
  71
  72 // WINDOWS: define dso_local noundef i32 @"?foo@OutOfLineDefs@@QEAAHHH@Z.O"
  73 // WINDOWS: define dso_local noundef i32 @"?foo@OutOfLineDefs@@QEAAHHH@Z.S"
  74 // WINDOWS: define weak_odr dso_local i32 @"?foo@OutOfLineDefs@@QEAAHHH@Z"(ptr %0, i32 %1, i32 %2)
  75 // WINDOWS: musttail call i32 @"?foo@OutOfLineDefs@@QEAAHHH@Z.S"(ptr %0, i32 %1, i32 %2)
  76 // WINDOWS: musttail call i32 @"?foo@OutOfLineDefs@@QEAAHHH@Z.O"(ptr %0, i32 %1, i32 %2)
  77 // WINDOWS: call void @llvm.trap
  78
  79 // Arity 3 version:
  80 // LINUX: define dso_local noundef i32 @_ZN13OutOfLineDefs3fooEiii.S
  81 // LINUX: define dso_local noundef i32 @_ZN13OutOfLineDefs3fooEiii.R
  82 // LINUX: define weak_odr ptr @_ZN13OutOfLineDefs3fooEiii.resolver()
  83 // LINUX: ret ptr @_ZN13OutOfLineDefs3fooEiii.R
  84 // LINUX: ret ptr @_ZN13OutOfLineDefs3fooEiii.S
  85 // LINUX: ret ptr @_ZN13OutOfLineDefs3fooEiii.O
  86 // LINUX: call void @llvm.trap
  87 // LINUX: define linkonce_odr noundef i32 @_ZN13OutOfLineDefs3fooEiii.O
  88
  89 // WINDOWS: define dso_local noundef i32 @"?foo@OutOfLineDefs@@QEAAHHHH@Z.S"
  90 // WINDOWS: define dso_local noundef i32 @"?foo@OutOfLineDefs@@QEAAHHHH@Z.R"
  91 // WINDOWS: define weak_odr dso_local i32 @"?foo@OutOfLineDefs@@QEAAHHHH@Z"(ptr %0, i32 %1, i32 %2, i32 %3)
  92 // WINDOWS: musttail call i32 @"?foo@OutOfLineDefs@@QEAAHHHH@Z.R"(ptr %0, i32 %1, i32 %2, i32 %3)
  93 // WINDOWS: musttail call i32 @"?foo@OutOfLineDefs@@QEAAHHHH@Z.S"(ptr %0, i32 %1, i32 %2, i32 %3)
  94 // WINDOWS: musttail call i32 @"?foo@OutOfLineDefs@@QEAAHHHH@Z.O"(ptr %0, i32 %1, i32 %2, i32 %3)
  95 // WINDOWS: call void @llvm.trap
  96 // WINDOWS: define linkonce_odr dso_local noundef i32 @"?foo@OutOfLineDefs@@QEAAHHHH@Z.O"
  97