text: // RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm %s -o - | FileCheck %s --check-prefix=LINUX
  // RUN: %clang_cc1 -triple x86_64-windows-pc -emit-llvm %s -o - | FileCheck %s --check-prefix=WINDOWS
  int __attribute__((target("sse4.2"))) foo(int i, ...) { return 0; }
  int __attribute__((target("arch=sandybridge"))) foo(int i, ...);
  int __attribute__((target("arch=ivybridge"))) foo(int i, ...) {return 1;}
  int __attribute__((target("default"))) foo(int i, ...) { return 2; }
  
  int bar() {
    return foo(1, 'a', 1.1) + foo(2, 2.2, "asdf");
  }
  
  // LINUX: @foo.ifunc = ifunc i32 (i32, ...), i32 (i32, ...)* ()* @foo.resolver
  // LINUX: define i32 @foo.sse4.2(i32 %i, ...)
  // LINUX: ret i32 0
  // LINUX: define i32 @foo.arch_ivybridge(i32 %i, ...)
  // LINUX: ret i32 1
  // LINUX: define i32 @foo(i32 %i, ...)
  // LINUX: ret i32 2
  // LINUX: define i32 @bar()
  // LINUX: call i32 (i32, ...) @foo.ifunc(i32 1, i32 97, double
  // LINUX: call i32 (i32, ...) @foo.ifunc(i32 2, double 2.2{{[0-9Ee+]+}}, i8* getelementptr inbounds
  
  // LINUX: define i32 (i32, ...)* @foo.resolver() comdat
  // LINUX: ret i32 (i32, ...)* @foo.arch_sandybridge
  // LINUX: ret i32 (i32, ...)* @foo.arch_ivybridge
  // LINUX: ret i32 (i32, ...)* @foo.sse4.2
  // LINUX: ret i32 (i32, ...)* @foo
  // LINUX: declare i32 @foo.arch_sandybridge(i32, ...)
  
  // WINDOWS: define dso_local i32 @foo.sse4.2(i32 %i, ...)
  // WINDOWS: ret i32 0
  // WINDOWS: define dso_local i32 @foo.arch_ivybridge(i32 %i, ...)
  // WINDOWS: ret i32 1
  // WINDOWS: define dso_local i32 @foo(i32 %i, ...)
  // WINDOWS: ret i32 2
  // WINDOWS: define dso_local i32 @bar()
  // WINDOWS: call i32 (i32, ...) @foo.resolver(i32 1, i32 97, double
  // WINDOWS: call i32 (i32, ...) @foo.resolver(i32 2, double 2.2{{[0-9Ee+]+}}, i8* getelementptr inbounds
  
  // WINDOWS: define dso_local i32 @foo.resolver(i32, ...) comdat
  // WINDOWS: musttail call i32 (i32, ...) @foo.arch_sandybridge
  // WINDOWS: musttail call i32 (i32, ...) @foo.arch_ivybridge
  // WINDOWS: musttail call i32 (i32, ...) @foo.sse4.2
  // WINDOWS: musttail call i32 (i32, ...) @foo
  // WINDOWS: declare dso_local i32 @foo.arch_sandybridge(i32, ...)
  