forked from OSchip/llvm-project
33 lines
984 B
C
33 lines
984 B
C
// RUN: %clang_cc1 -triple=i386-pc-solaris2.11 -w -emit-llvm %s -o - | FileCheck %s
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#pragma redefine_extname fake real
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#pragma redefine_extname name alias
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extern int fake(void);
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int name;
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// __PRAGMA_REDEFINE_EXTNAME should be defined. This will fail if it isn't...
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int fish() { return fake() + __PRAGMA_REDEFINE_EXTNAME + name; }
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// Check that the call to fake() is emitted as a call to real()
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// CHECK: call i32 @real()
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// Check that this also works with variables names
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// CHECK: load i32, i32* @alias
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// This is a case when redefenition is deferred *and* we have a local of the
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// same name. PR23923.
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#pragma redefine_extname foo bar
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int f() {
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int foo = 0;
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return foo;
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}
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extern int foo() { return 1; }
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// CHECK: define i32 @bar()
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// Check that pragma redefine_extname applies to external declarations only.
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#pragma redefine_extname foo_static bar_static
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static int foo_static() { return 1; }
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int baz() { return foo_static(); }
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// CHECK-NOT: call i32 @bar_static()
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