xref: /llvm-project/clang/test/CodeGen/attr-target-mv-func-ptrs.c (revision 6c12fd91540fe2f86b5032b10f04b74910b4c411)
1 // RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm %s -o - | FileCheck %s --check-prefix=LINUX
2 // RUN: %clang_cc1 -triple x86_64-apple-macos -emit-llvm %s -o - | FileCheck %s --check-prefix=LINUX
3 // RUN: %clang_cc1 -triple x86_64-windows-pc -emit-llvm %s -o - | FileCheck %s --check-prefix=WINDOWS
foo(int i)4 int __attribute__((target("sse4.2"))) foo(int i) { return 0; }
5 int __attribute__((target("arch=sandybridge"))) foo(int);
foo(int i)6 int __attribute__((target("arch=ivybridge"))) foo(int i) {return 1;}
foo(int i)7 int __attribute__((target("default"))) foo(int i) { return 2; }
8 
9 typedef int (*FuncPtr)(int);
10 void func(FuncPtr);
11 
bar(void)12 int bar(void) {
13   func(foo);
14   FuncPtr Free = &foo;
15   FuncPtr Free2 = foo;
16 
17   return 0;
18   return Free(1) + Free(2);
19 }
20 
21 // LINUX: @foo.ifunc = weak_odr ifunc i32 (i32), ptr @foo.resolver
22 // LINUX: define{{.*}} i32 @foo.sse4.2(
23 // LINUX: ret i32 0
24 // LINUX: define{{.*}} i32 @foo.arch_ivybridge(
25 // LINUX: ret i32 1
26 // LINUX: define{{.*}} i32 @foo(
27 // LINUX: ret i32 2
28 
29 // WINDOWS: define dso_local i32 @foo.sse4.2(
30 // WINDOWS: ret i32 0
31 // WINDOWS: define dso_local i32 @foo.arch_ivybridge(
32 // WINDOWS: ret i32 1
33 // WINDOWS: define dso_local i32 @foo(
34 // WINDOWS: ret i32 2
35 
36 // LINUX: define{{.*}} i32 @bar()
37 // LINUX: call void @func(ptr noundef @foo.ifunc)
38 // LINUX: store ptr @foo.ifunc
39 // LINUX: store ptr @foo.ifunc
40 
41 // WINDOWS: define dso_local i32 @bar()
42 // WINDOWS: call void @func(ptr noundef @foo.resolver)
43 // WINDOWS: store ptr @foo.resolver
44 // WINDOWS: store ptr @foo.resolver
45 
46 // LINUX: declare i32 @foo.arch_sandybridge(
47 
48 // WINDOWS: declare dso_local i32 @foo.arch_sandybridge(
49