forked from OSchip/llvm-project
40 lines
1.5 KiB
C++
40 lines
1.5 KiB
C++
// RUN: %clangxx_msan -O0 %s -o %t && not %run %t >%t.out 2>&1
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// FileCheck --check-prefix=CHECK-RECOVER %s <%t.out
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// RUN: %clangxx_msan -O0 %s -o %t && MSAN_OPTIONS=keep_going=0 not %run %t >%t.out 2>&1
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// FileCheck %s <%t.out
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// RUN: %clangxx_msan -O0 %s -o %t && MSAN_OPTIONS=keep_going=1 not %run %t >%t.out 2>&1
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// FileCheck --check-prefix=CHECK-RECOVER %s <%t.out
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// Test how -fsanitize-recover=memory and MSAN_OPTIONS=keep_going affect reports
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// from interceptors.
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// -fsanitize-recover=memory provides the default value of keep_going flag, but is
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// always overwritten by MSAN_OPTIONS
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// RUN: %clangxx_msan -fsanitize-recover=memory -O0 %s -o %t && not %run %t >%t.out 2>&1
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// FileCheck --check-prefix=CHECK-RECOVER %s <%t.out
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// RUN: %clangxx_msan -fsanitize-recover=memory -O0 %s -o %t && MSAN_OPTIONS=keep_going=0 not %run %t >%t.out 2>&1
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// FileCheck %s <%t.out
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// RUN: %clangxx_msan -fsanitize-recover=memory -O0 %s -o %t && MSAN_OPTIONS=keep_going=1 not %run %t >%t.out 2>&1
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// FileCheck --check-prefix=CHECK-RECOVER %s <%t.out
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// Test how legacy -mllvm -msan-keep-going and MSAN_OPTIONS=keep_going affect
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// reports from interceptors.
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// RUN: %clangxx_msan -mllvm -msan-keep-going=1 -O0 %s -o %t && not %run %t >%t.out 2>&1
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// FileCheck --check-prefix=CHECK-RECOVER %s <%t.out
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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int main(int argc, char **argv) {
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char *volatile x = (char*)malloc(5 * sizeof(char));
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x[4] = 0;
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if (strlen(x) < 3)
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exit(0);
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fprintf(stderr, "Done\n");
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// CHECK-NOT: Done
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// CHECK-RECOVER: Done
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return 0;
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}
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