| serge_sans_paille | e67cbac | 2019-09-09 16:59:34 +0200 | [diff] [blame^] | 1 | // Check the correct function attributes are generated |
| 2 | // RUN: %clang_cc1 -triple x86_64-linux -O0 -S -emit-llvm -o- %s -fstack-clash-protection | FileCheck %s |
| 3 | |
| 4 | // CHECK: define void @large_stack() #[[A:.*]] { |
| 5 | void large_stack() { |
| 6 | volatile int stack[20000], i; |
| 7 | for (i = 0; i < sizeof(stack) / sizeof(int); ++i) |
| 8 | stack[i] = i; |
| 9 | } |
| 10 | |
| 11 | // CHECK: define void @vla({{.*}}) #[[A:.*]] { |
| 12 | void vla(int n) { |
| 13 | volatile int vla[n]; |
| 14 | __builtin_memset(&vla[0], 0, 1); |
| 15 | } |
| 16 | |
| 17 | // CHECK: define void @builtin_alloca({{.*}}) #[[A:.*]] { |
| 18 | void builtin_alloca(int n) { |
| 19 | volatile void *mem = __builtin_alloca(n); |
| 20 | } |
| 21 | |
| 22 | // CHECK: attributes #[[A]] = {{.*}} "probe-stack"="inline-asm" |