1 // Check that clang can use a PCH created from libclang.
2
3 // https://PR46644
4 // XFAIL: arm64-apple
5
6 // This test doesn't use -fdisable-module-hash and hence requires that
7 // CompilerInvocation::getModuleHash() computes exactly the same hash
8 // for c-index-test and clang, which in turn requires that the both use
9 // exactly the same resource-dir, even without calling realpath() on it:
10 // - a/../b/ and b/ are not considered the same
11 // - on Windows, c:\ and C:\ (only different in case) are not the same
12
13 // RUN: rm -rf %t.mcp %t.h.pch
14 // RUN: %clang_cc1 -fsyntax-only %s -verify
15 // RUN: c-index-test -write-pch %t.h.pch %s -fmodules -fmodules-cache-path=%t.mcp -Xclang -triple -Xclang x86_64-apple-darwin
16 // 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
17 // 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
18 // 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
19
20 // FIXME: Still fails on at least some linux boxen.
21 // REQUIRES: system-darwin
22
23 #ifndef HEADER
24 #define HEADER
25
26 void some_function(undeclared_type p); // expected-error{{unknown type name}}
27
28 struct S { int x; };
29
30 #else
31 // expected-no-diagnostics
32
test(struct S * s)33 void test(struct S *s) {
34 // CHECK: [[@LINE+1]]:6: MemberRefExpr=x:[[@LINE-6]]:16
35 s->x = 0;
36 }
37
38 #endif
39