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42 lines
1.1 KiB
42 lines
1.1 KiB
4 months ago
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// Test that the checking is done with the actual type of f() even when the
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// calling module has an incorrect declaration. Test a mix of lto types.
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//
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// -flto below overrides -flto=thin in %clang_cfi
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// RUN: %clang_cfi %s -DMODULE_A -c -o %t1_a.o
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// RUN: %clang_cfi %s -DMODULE_B -c -o %t1_b.o -flto
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// RUN: %clang_cfi %t1_a.o %t1_b.o -o %t1
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// RUN: %expect_crash %t1 2>&1 | FileCheck --check-prefix=CFI %s
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//
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// RUN: %clang_cfi %s -DMODULE_A -c -o %t2_a.o -flto
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// RUN: %clang_cfi %s -DMODULE_B -c -o %t2_b.o
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// RUN: %clang_cfi %t2_a.o %t2_b.o -o %t2
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// RUN: %expect_crash %t2 2>&1 | FileCheck --check-prefix=CFI %s
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//
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// RUN: %clang_cfi %s -DMODULE_A -c -o %t3_a.o
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// RUN: %clang_cfi %s -DMODULE_B -c -o %t3_b.o
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// RUN: %clang_cfi %t3_a.o %t3_b.o -o %t3
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// RUN: %expect_crash %t3 2>&1 | FileCheck --check-prefix=CFI %s
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//
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// REQUIRES: thinlto
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#include <stdio.h>
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#if defined(MODULE_B)
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int f() {
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return 42;
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}
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#elif defined(MODULE_A)
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void f();
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int main() {
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// CFI: 1
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fprintf(stderr, "1\n");
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void (*volatile p)() = &f;
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p();
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// CFI-NOT: 2
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fprintf(stderr, "2\n");
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}
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#endif
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