clang/test/CodeGenCXX/attr-target-mv-diff-ns.cpp

   1 // RUN: %clang_cc1 -std=c++11 -triple x86_64-linux-gnu -emit-llvm %s -o - | FileCheck %s --check-prefixes=ITANIUM,LINUX
   2 // RUN: %clang_cc1 -std=c++11 -triple x86_64-apple-macos -emit-llvm %s -o - | FileCheck %s --check-prefixes=ITANIUM,DARWIN
   3 // RUN: %clang_cc1 -std=c++11 -triple x86_64-windows-pc -emit-llvm %s -o - | FileCheck %s --check-prefix=WINDOWS
   4 // Test ensures that this properly differentiates between types in different
   5 // namespaces.
   6 int __attribute__((target("sse4.2"))) foo(int) { return 0; }
   7 int __attribute__((target("arch=sandybridge"))) foo(int);
   8 int __attribute__((target("arch=ivybridge"))) foo(int) {return 1;}
   9 int __attribute__((target("default"))) foo(int) { return 2; }
  10
  11 namespace ns {
  12 int __attribute__((target("sse4.2"))) foo(int) { return 0; }
  13 int __attribute__((target("arch=sandybridge"))) foo(int);
  14 int __attribute__((target("arch=ivybridge"))) foo(int) {return 1;}
  15 int __attribute__((target("default"))) foo(int) { return 2; }
  16 }
  17
  18 int bar() {
  19   return foo(1) + ns::foo(2);
  20 }
  21
  22 // DARWIN-NOT: comdat
  23
  24 // ITANIUM: @_Z3fooi.ifunc = weak_odr ifunc i32 (i32), ptr @_Z3fooi.resolver
  25 // ITANIUM: @_ZN2ns3fooEi.ifunc = weak_odr ifunc i32 (i32), ptr @_ZN2ns3fooEi.resolver
  26
  27 // ITANIUM: define{{.*}} i32 @_Z3fooi.sse4.2(i32 noundef %0)
  28 // ITANIUM: ret i32 0
  29 // ITANIUM: define{{.*}} i32 @_Z3fooi.arch_ivybridge(i32 noundef %0)
  30 // ITANIUM: ret i32 1
  31 // ITANIUM: define{{.*}} i32 @_Z3fooi(i32 noundef %0)
  32 // ITANIUM: ret i32 2
  33
  34 // WINDOWS: define dso_local noundef i32 @"?foo@@YAHH@Z.sse4.2"(i32 noundef %0)
  35 // WINDOWS: ret i32 0
  36 // WINDOWS: define dso_local noundef i32 @"?foo@@YAHH@Z.arch_ivybridge"(i32 noundef %0)
  37 // WINDOWS: ret i32 1
  38 // WINDOWS: define dso_local noundef i32 @"?foo@@YAHH@Z"(i32 noundef %0)
  39 // WINDOWS: ret i32 2
  40
  41 // ITANIUM: define{{.*}} i32 @_ZN2ns3fooEi.sse4.2(i32 noundef %0)
  42 // ITANIUM: ret i32 0
  43 // ITANIUM: define{{.*}} i32 @_ZN2ns3fooEi.arch_ivybridge(i32 noundef %0)
  44 // ITANIUM: ret i32 1
  45 // ITANIUM: define{{.*}} i32 @_ZN2ns3fooEi(i32 noundef %0)
  46 // ITANIUM: ret i32 2
  47
  48 // WINDOWS: define dso_local noundef i32 @"?foo@ns@@YAHH@Z.sse4.2"(i32 noundef %0)
  49 // WINDOWS: ret i32 0
  50 // WINDOWS: define dso_local noundef i32 @"?foo@ns@@YAHH@Z.arch_ivybridge"(i32 noundef %0)
  51 // WINDOWS: ret i32 1
  52 // WINDOWS: define dso_local noundef i32 @"?foo@ns@@YAHH@Z"(i32 noundef %0)
  53 // WINDOWS: ret i32 2
  54
  55 // ITANIUM: define{{.*}} i32 @_Z3barv()
  56 // ITANIUM: call noundef i32 @_Z3fooi.ifunc(i32 noundef 1)
  57 // ITANIUM: call noundef i32 @_ZN2ns3fooEi.ifunc(i32 noundef 2)
  58
  59 // WINDOWS: define dso_local noundef i32 @"?bar@@YAHXZ"()
  60 // WINDOWS: call noundef i32 @"?foo@@YAHH@Z.resolver"(i32 noundef 1)
  61 // WINDOWS: call noundef i32 @"?foo@ns@@YAHH@Z.resolver"(i32 noundef 2)
  62
  63 // ITANIUM: define weak_odr ptr @_Z3fooi.resolver()
  64 // LINUX-SAME: comdat
  65 // ITANIUM: ret ptr @_Z3fooi.arch_sandybridge
  66 // ITANIUM: ret ptr @_Z3fooi.arch_ivybridge
  67 // ITANIUM: ret ptr @_Z3fooi.sse4.2
  68 // ITANIUM: ret ptr @_Z3fooi
  69
  70 // WINDOWS: define weak_odr dso_local i32 @"?foo@@YAHH@Z.resolver"(i32 %0) comdat
  71 // WINDOWS: call i32 @"?foo@@YAHH@Z.arch_sandybridge"(i32 %0)
  72 // WINDOWS: call i32 @"?foo@@YAHH@Z.arch_ivybridge"(i32 %0)
  73 // WINDOWS: call i32 @"?foo@@YAHH@Z.sse4.2"(i32 %0)
  74 // WINDOWS: call i32 @"?foo@@YAHH@Z"(i32 %0)
  75
  76 // ITANIUM: define weak_odr ptr @_ZN2ns3fooEi.resolver()
  77 // LINUX-SAME: comdat
  78 // ITANIUM: ret ptr @_ZN2ns3fooEi.arch_sandybridge
  79 // ITANIUM: ret ptr @_ZN2ns3fooEi.arch_ivybridge
  80 // ITANIUM: ret ptr @_ZN2ns3fooEi.sse4.2
  81 // ITANIUM: ret ptr @_ZN2ns3fooEi
  82
  83 // WINDOWS: define weak_odr dso_local i32 @"?foo@ns@@YAHH@Z.resolver"(i32 %0) comdat
  84 // WINDOWS: call i32 @"?foo@ns@@YAHH@Z.arch_sandybridge"(i32 %0)
  85 // WINDOWS: call i32 @"?foo@ns@@YAHH@Z.arch_ivybridge"(i32 %0)
  86 // WINDOWS: call i32 @"?foo@ns@@YAHH@Z.sse4.2"(i32 %0)
  87 // WINDOWS: call i32 @"?foo@ns@@YAHH@Z"(i32 %0)
  88
  89 // ITANIUM: declare noundef i32 @_Z3fooi.arch_sandybridge(i32 noundef)
  90 // ITANIUM: declare noundef i32 @_ZN2ns3fooEi.arch_sandybridge(i32 noundef)
  91
  92 // WINDOWS: declare dso_local noundef i32 @"?foo@@YAHH@Z.arch_sandybridge"(i32 noundef)
  93 // WINDOWS: declare dso_local noundef i32 @"?foo@ns@@YAHH@Z.arch_sandybridge"(i32 noundef)