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29a0f0db9e
This test has apparently been broken for years, but we never noticed before because it's a long test and long tests approximately never get run. llvm-svn: 300151
23 lines
1016 B
C
23 lines
1016 B
C
// Check that clang is able to process short response files
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// Since this is a short response file, clang must not use a response file
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// to pass its parameters to other tools. This is only necessary for a large
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// number of parameters.
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// RUN: echo "-DTEST" > %t.0.txt
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// RUN: %clang -E @%t.0.txt %s -v 2>&1 | FileCheck %s -check-prefix=SHORT
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// SHORT-NOT: Arguments passed via response file
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// SHORT: extern int it_works;
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// Check that clang is able to process long response files, routing a long
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// sequence of arguments to other tools by using response files as well.
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// We generate a 2MB response file to attempt to surpass any system limit.
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// But there's no guarantee that we actually will (the system limit could be
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// *huge*), so just check that invoking cc1 succeeds under these conditions.
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//
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// RUN: %clang -E %S/Inputs/gen-response.c | grep DTEST > %t.1.txt
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// RUN: %clang -E @%t.1.txt %s -v 2>&1 | FileCheck %s -check-prefix=LONG
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// LONG: extern int it_works;
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#ifdef TEST
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extern int it_works;
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#endif
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