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