1 // RUN: %clang_cc1 -triple=i386-pc-solaris2.11 -w -emit-llvm %s -o - | FileCheck %s 2 3 #pragma redefine_extname fake real 4 #pragma redefine_extname name alias 5 6 extern int fake(void); 7 8 int name; 9 10 // __PRAGMA_REDEFINE_EXTNAME should be defined. This will fail if it isn't... fish()11int fish() { return fake() + __PRAGMA_REDEFINE_EXTNAME + name; } 12 // Check that the call to fake() is emitted as a call to real() 13 // CHECK: call i32 @real() 14 // Check that this also works with variables names 15 // CHECK: load i32, i32* @alias 16 17 // This is a case when redefenition is deferred *and* we have a local of the 18 // same name. PR23923. 19 #pragma redefine_extname foo bar f()20int f() { 21 int foo = 0; 22 return foo; 23 } foo()24extern int foo() { return 1; } 25 // CHECK: define i32 @bar() 26 27 // Check that pragma redefine_extname applies to external declarations only. 28 #pragma redefine_extname foo_static bar_static foo_static()29static int foo_static() { return 1; } baz()30int baz() { return foo_static(); } 31 // CHECK-NOT: call i32 @bar_static() 32 33