1 // Check that clang can use a PCH created from libclang.
2
3 // This test doesn't use -fdisable-module-hash and hence requires that
4 // CompilerInvocation::getModuleHash() computes exactly the same hash
5 // for c-index-test and clang, which in turn requires that the both use
6 // exactly the same resource-dir, even without calling realpath() on it:
7 // - a/../b/ and b/ are not considered the same
8 // - on Windows, c:\ and C:\ (only different in case) are not the same
9
10 // RUN: rm -rf %t.mcp %t.h.pch
11 // RUN: %clang_cc1 -fsyntax-only %s -verify
12 // RUN: c-index-test -write-pch %t.h.pch %s -fmodules -fmodules-cache-path=%t.mcp -Xclang -triple -Xclang x86_64-apple-darwin
13 // RUN: %clang -fsyntax-only -include %t.h %s -Xclang -verify -fmodules -fmodules-cache-path=%t.mcp -Xclang -detailed-preprocessing-record -Xclang -triple -Xclang x86_64-apple-darwin -Xclang -fallow-pch-with-compiler-errors
14 // RUN: %clang -x c-header %s -o %t.clang.h.pch -fmodules -fmodules-cache-path=%t.mcp -Xclang -detailed-preprocessing-record -Xclang -triple -Xclang x86_64-apple-darwin -Xclang -fallow-pch-with-compiler-errors -Xclang -verify
15 // RUN: c-index-test -test-load-source local %s -include %t.clang.h -fmodules -fmodules-cache-path=%t.mcp -Xclang -triple -Xclang x86_64-apple-darwin | FileCheck %s
16
17 // FIXME: Still fails on at least some linux boxen.
18 // REQUIRES: system-darwin
19
20 #ifndef HEADER
21 #define HEADER
22
23 void some_function(undeclared_type p); // expected-error{{unknown type name}}
24
25 struct S { int x; };
26
27 #else
28 // expected-no-diagnostics
29
test(struct S * s)30 void test(struct S *s) {
31 // CHECK: [[@LINE+1]]:6: MemberRefExpr=x:[[@LINE-6]]:16
32 s->x = 0;
33 }
34
35 #endif
36