b076e515a0
The string "error:" is too general and reports false positive from system messages that can occur on stderr when using network devices for testing. The string "runtime error:" is sufficiently unique for these connection errors to pass through w/o a false positive. rdar://100564373 Reviewed By: thetruestblue Differential Revision: https://reviews.llvm.org/D139230
31 lines
2.1 KiB
C++
31 lines
2.1 KiB
C++
// RUN: %clang -x c -fsanitize=alignment -O0 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not=" assumption " --implicit-check-not="note:" --implicit-check-not="runtime error:"
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// RUN: %clang -x c -fsanitize=alignment -O1 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not=" assumption " --implicit-check-not="note:" --implicit-check-not="runtime error:"
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// RUN: %clang -x c -fsanitize=alignment -O2 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not=" assumption " --implicit-check-not="note:" --implicit-check-not="runtime error:"
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// RUN: %clang -x c -fsanitize=alignment -O3 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not=" assumption " --implicit-check-not="note:" --implicit-check-not="runtime error:"
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// RUN: %clang -x c++ -fsanitize=alignment -O0 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not=" assumption " --implicit-check-not="note:" --implicit-check-not="runtime error:"
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// RUN: %clang -x c++ -fsanitize=alignment -O1 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not=" assumption " --implicit-check-not="note:" --implicit-check-not="runtime error:"
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// RUN: %clang -x c++ -fsanitize=alignment -O2 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not=" assumption " --implicit-check-not="note:" --implicit-check-not="runtime error:"
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// RUN: %clang -x c++ -fsanitize=alignment -O3 %s -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not=" assumption " --implicit-check-not="note:" --implicit-check-not="runtime error:"
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#include <stdlib.h>
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char *passthrough(__attribute__((align_value(0x8000))) char *x) {
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return x;
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}
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int main(int argc, char* argv[]) {
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char *ptr = (char *)malloc(2);
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passthrough(ptr + 1);
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// CHECK: {{.*}}align-assume-{{.*}}.cpp:[[@LINE-7]]:10: runtime error: assumption of 32768 byte alignment for pointer of type 'char *' failed
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// CHECK: {{.*}}align-assume-{{.*}}.cpp:[[@LINE-9]]:34: note: alignment assumption was specified here
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// CHECK: 0x{{.*}}: note: address is {{.*}} aligned, misalignment offset is {{.*}} byte
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// FIXME: shouldn't there be an assumption on the caller's side too?
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free(ptr);
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return 0;
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}
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