Mercurial > hg > CbC > CbC_llvm
view clang/test/CodeGen/stack-clash-protection.c @ 207:2e18cbf3894f
LLVM12
author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Tue, 08 Jun 2021 06:07:14 +0900 |
parents | 1d019706d866 |
children | c4bab56944e8 |
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// Check the correct function attributes are generated // RUN: %clang_cc1 -triple x86_64-linux -O0 -S -emit-llvm -o- %s -fstack-clash-protection | FileCheck %s // RUN: %clang_cc1 -triple s390x-linux-gnu -O0 -S -emit-llvm -o- %s -fstack-clash-protection | FileCheck %s // RUN: %clang_cc1 -triple powerpc64le-linux-gnu -O0 -S -emit-llvm -o- %s -fstack-clash-protection | FileCheck %s // RUN: %clang_cc1 -triple powerpc64-linux-gnu -O0 -S -emit-llvm -o- %s -fstack-clash-protection | FileCheck %s // CHECK: define{{.*}} void @large_stack() #[[A:.*]] { void large_stack() { volatile int stack[20000], i; for (i = 0; i < sizeof(stack) / sizeof(int); ++i) stack[i] = i; } // CHECK: define{{.*}} void @vla({{.*}}) #[[A:.*]] { void vla(int n) { volatile int vla[n]; __builtin_memset(&vla[0], 0, 1); } // CHECK: define{{.*}} void @builtin_alloca({{.*}}) #[[A:.*]] { void builtin_alloca(int n) { volatile void *mem = __builtin_alloca(n); } // CHECK: attributes #[[A]] = {{.*}} "probe-stack"="inline-asm"