xref: /minix3/external/bsd/llvm/dist/clang/test/CodeGen/2008-07-29-override-alias-decl.c (revision f4a2713ac843a11c696ec80c0a5e3e5d80b4d338) 
1*f4a2713aSLionel Sambuc // RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -emit-llvm -o - %s | FileCheck %s
2*f4a2713aSLionel Sambuc 
x()3*f4a2713aSLionel Sambuc int x() { return 1; }
4*f4a2713aSLionel Sambuc 
5*f4a2713aSLionel Sambuc // CHECK:  ret i32 1
6*f4a2713aSLionel Sambuc 
7*f4a2713aSLionel Sambuc 
8*f4a2713aSLionel Sambuc int f() __attribute__((weak, alias("x")));
9*f4a2713aSLionel Sambuc 
10*f4a2713aSLionel Sambuc /* Test that we link to the alias correctly instead of making a new
11*f4a2713aSLionel Sambuc    forward definition. */
12*f4a2713aSLionel Sambuc int f();
h()13*f4a2713aSLionel Sambuc int h() {
14*f4a2713aSLionel Sambuc   return f();
15*f4a2713aSLionel Sambuc }
16*f4a2713aSLionel Sambuc 
17*f4a2713aSLionel Sambuc // CHECK:  [[call:%.*]] = call i32 (...)* @f()
18*f4a2713aSLionel Sambuc // CHECK:  ret i32 [[call]]
19*f4a2713aSLionel Sambuc 
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