xref: /minix3/external/bsd/llvm/dist/clang/test/CodeGen/available-externally-suppress.c (revision f4a2713ac843a11c696ec80c0a5e3e5d80b4d338)
1 // RUN: %clang_cc1 -emit-llvm -o - -triple x86_64-apple-darwin10 %s | FileCheck %s
2 
3 // Ensure that we don't emit available_externally functions at -O0.
4 int x;
5 
f0(int y)6 inline void f0(int y) { x = y; }
7 
8 // CHECK-LABEL: define void @test()
9 // CHECK: declare void @f0(i32)
test()10 void test() {
11   f0(17);
12 }
13 
f1(int x)14 inline int __attribute__((always_inline)) f1(int x) {
15   int blarg = 0;
16   for (int i = 0; i < x; ++i)
17     blarg = blarg + x * i;
18   return blarg;
19 }
20 
21 // CHECK: @test1
test1(int x)22 int test1(int x) {
23   // CHECK: br i1
24   // CHECK-NOT: call {{.*}} @f1
25   // CHECK: ret i32
26   return f1(x);
27 }
28