1 // Check that a stack unwinding algorithm works corretly even with the assembly
4 // REQUIRES: x86_64-supported-target
5 // RUN: %clangxx_asan -g -O1 %s -fno-inline-functions -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -mllvm -asan-instrument-assembly -o %t && not %run %t 2>&1 | FileCheck %s
6 // RUN: %clangxx_asan -g -O1 %s -fno-inline-functions -fomit-frame-pointer -momit-leaf-frame-pointer -mllvm -asan-instrument-assembly -o %t && not %run %t 2>&1 | FileCheck %s
7 // RUN: %clangxx_asan -g0 -O1 %s -fno-unwind-tables -fno-asynchronous-unwind-tables -fno-exceptions -fno-inline-functions -fomit-frame-pointer -momit-leaf-frame-pointer -mllvm -asan-instrument-assembly -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-nounwind
11 // CHECK: READ of size 4
12 // CHECK-NEXT: {{#0 0x[0-9a-fA-F]+ in foo}}
13 // CHECK-NEXT: {{#1 0x[0-9a-fA-F]+ in main}}
15 // CHECK-nounwind: READ of size 4
16 // CHECK-nounwind-NEXT: {{#0 0x[0-9a-fA-F]+ in foo}}
18 __attribute__((noinline)) int foo(size_t n, int *buffer) {
20 __asm__("movl (%[buffer], %[n], 4), %[r] \n\t"
22 : [buffer] "r"(buffer), [n] "r"(n)
29 int *buffer = new int[n];