From 222e2a7620e6520ffaf4fc4e69d79c18da31542e Mon Sep 17 00:00:00 2001 From: "Zancanaro; Carlo" Date: Mon, 24 Sep 2012 09:58:17 +1000 Subject: Add the clang library to the repo (with some of my changes, too). --- clang/test/SemaCXX/linkage.cpp | 96 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 96 insertions(+) create mode 100644 clang/test/SemaCXX/linkage.cpp (limited to 'clang/test/SemaCXX/linkage.cpp') diff --git a/clang/test/SemaCXX/linkage.cpp b/clang/test/SemaCXX/linkage.cpp new file mode 100644 index 0000000..6b73d59 --- /dev/null +++ b/clang/test/SemaCXX/linkage.cpp @@ -0,0 +1,96 @@ +// This is an IR generation test because the calculation of visibility +// during IR gen will cause linkage to be implicitly recomputed and +// compared against the earlier cached value. If we had a way of +// testing linkage directly in Sema, that would be better. + +// RUN: %clang_cc1 -Werror -triple x86_64-apple-darwin10 -emit-llvm %s -o - | FileCheck %s + +// PR8926 +namespace test0 { + typedef struct { + void *foo() { return 0; } + } A; + + // CHECK: define linkonce_odr i8* @_ZN5test01A3fooEv( + + void test(A *a) { + a->foo(); + } +} + +namespace test1 { + typedef struct { + template void *foo() { return 0; } + + void foo() { + foo<0>(); + } + } A; + + // CHECK: define linkonce_odr void @_ZN5test11A3fooEv( + // another at the end + + void test(A *a) { + a->foo(); + } +} + +namespace test2 { + typedef struct { + template struct B { + void *foo() { return 0; } + }; + + void foo(B<0> *b) { + b->foo(); + } + } A; + + // CHECK: define linkonce_odr void @_ZN5test21A3fooEPNS0_1BILj0EEE( + + void test(A *a) { + a->foo(0); + } +} + +namespace test3 { + namespace { struct A {}; } + + // CHECK: define internal void @_ZN5test34testENS_12_GLOBAL__N_11AE( + void test(A a) {} + void force() { test(A()); } + + // CHECK: define void @test3( + extern "C" void test3(A a) {} +} + +namespace { + // CHECK: define void @test4( + extern "C" void test4(void) {} +} + +// PR9316: Ensure that even non-namespace-scope function declarations in +// a C declaration context respect that over the anonymous namespace. +extern "C" { + namespace { + struct X { + int f() { + extern int g(); + extern int a; + + // Test both for mangling in the code generation and warnings from use + // of internal, undefined names via -Werror. + // CHECK: call i32 @g( + // CHECK: load i32* @a, + return g() + a; + } + }; + } + // Force the above function to be emitted by codegen. + int test(X& x) { + return x.f(); + } +} + +// CHECK: define linkonce_odr i8* @_ZN5test21A1BILj0EE3fooEv( +// CHECK: define linkonce_odr i8* @_ZN5test11A3fooILj0EEEPvv( -- cgit v1.2.3