1*a06ad186SRoman Lebedev // 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="error:"
2*a06ad186SRoman Lebedev // 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="error:"
3*a06ad186SRoman Lebedev // 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="error:"
4*a06ad186SRoman Lebedev // 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="error:"
5*a06ad186SRoman Lebedev
6*a06ad186SRoman Lebedev // 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="error:"
7*a06ad186SRoman Lebedev // 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="error:"
8*a06ad186SRoman Lebedev // 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="error:"
9*a06ad186SRoman Lebedev // 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="error:"
10*a06ad186SRoman Lebedev
11*a06ad186SRoman Lebedev #include <stdlib.h>
12*a06ad186SRoman Lebedev
13*a06ad186SRoman Lebedev char *__attribute__((alloc_align(2)))
passthrough(char * x,unsigned long alignment)14*a06ad186SRoman Lebedev passthrough(char *x, unsigned long alignment) {
15*a06ad186SRoman Lebedev return x;
16*a06ad186SRoman Lebedev }
17*a06ad186SRoman Lebedev
18*a06ad186SRoman Lebedev unsigned long alignment;
19*a06ad186SRoman Lebedev
main(int argc,char * argv[])20*a06ad186SRoman Lebedev int main(int argc, char* argv[]) {
21*a06ad186SRoman Lebedev char *ptr = (char *)malloc(2);
22*a06ad186SRoman Lebedev
23*a06ad186SRoman Lebedev alignment = 0x8000;
24*a06ad186SRoman Lebedev
25*a06ad186SRoman Lebedev passthrough(ptr + 1, alignment);
26*a06ad186SRoman Lebedev // CHECK: {{.*}}alignment-assumption-{{.*}}.cpp:[[@LINE-1]]:3: runtime error: assumption of 32768 byte alignment for pointer of type 'char *' failed
27*a06ad186SRoman Lebedev // CHECK: {{.*}}alignment-assumption-{{.*}}.cpp:[[@LINE-14]]:22: note: alignment assumption was specified here
28*a06ad186SRoman Lebedev // CHECK: 0x{{.*}}: note: address is {{.*}} aligned, misalignment offset is {{.*}} byte
29*a06ad186SRoman Lebedev
30*a06ad186SRoman Lebedev free(ptr);
31*a06ad186SRoman Lebedev
32*a06ad186SRoman Lebedev return 0;
33*a06ad186SRoman Lebedev }
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