15805c030f
Supports either default of -f[no-]sanitize-memory-param-retval. Reviewed By: aeubanks, MaskRay Differential Revision: https://reviews.llvm.org/D134683
26 lines
701 B
C++
26 lines
701 B
C++
// RUN: %clangxx_msan -fno-sanitize-memory-param-retval -O0 %s -o %t && %run %t >%t.out 2>&1
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// RUN: %clangxx_msan -fno-sanitize-memory-param-retval -O1 %s -o %t && %run %t >%t.out 2>&1
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// RUN: %clangxx_msan -fno-sanitize-memory-param-retval -O2 %s -o %t && %run %t >%t.out 2>&1
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// RUN: %clangxx_msan -fno-sanitize-memory-param-retval -O3 %s -o %t && %run %t >%t.out 2>&1
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// Test that (no_sanitize_memory) functions DO NOT propagate shadow.
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#include <stdlib.h>
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#include <stdio.h>
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__attribute__((noinline))
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__attribute__((weak))
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__attribute__((no_sanitize_memory))
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int f(int x) {
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return x;
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}
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int main(void) {
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int x;
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int * volatile p = &x;
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int y = f(*p);
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if (y)
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exit(0);
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return 0;
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}
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