xref: /aosp_15_r20/external/clang/test/Driver/response-file.c (revision 67e74705e28f6214e480b399dd47ea732279e315)
1*67e74705SXin Li // REQUIRES: long_tests
2*67e74705SXin Li 
3*67e74705SXin Li // Check that clang is able to process short response files
4*67e74705SXin Li // Since this is a short response file, clang must not use a response file
5*67e74705SXin Li // to pass its parameters to other tools. This is only necessary for a large
6*67e74705SXin Li // number of parameters.
7*67e74705SXin Li // RUN: echo "-DTEST" > %t.0.txt
8*67e74705SXin Li // RUN: %clang -E @%t.0.txt %s -v 2>&1 | FileCheck %s -check-prefix=SHORT
9*67e74705SXin Li // SHORT-NOT: Arguments passed via response file
10*67e74705SXin Li // SHORT: extern int it_works;
11*67e74705SXin Li 
12*67e74705SXin Li // Check that clang is able to process long response files, routing a long
13*67e74705SXin Li // sequence of arguments to other tools by using response files as well.
14*67e74705SXin Li // We generate a 2MB response file to be big enough to surpass any system
15*67e74705SXin Li // limit.
16*67e74705SXin Li // RUN: %clang -E %S/Inputs/gen-response.c | grep DTEST > %t.1.txt
17*67e74705SXin Li // RUN: %clang -E @%t.1.txt %s -v 2>&1 | FileCheck %s -check-prefix=LONG
18*67e74705SXin Li // LONG: Arguments passed via response file
19*67e74705SXin Li // LONG: extern int it_works;
20*67e74705SXin Li 
21*67e74705SXin Li #ifdef TEST
22*67e74705SXin Li extern int it_works;
23*67e74705SXin Li #endif
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