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annotate clang/test/CodeGen/stack-clash-protection.c @ 150:1d019706d866

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LLVM10
author anatofuz
date Thu, 13 Feb 2020 15:10:13 +0900
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children 2e18cbf3894f
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150
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1 // Check the correct function attributes are generated
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2 // RUN: %clang_cc1 -triple x86_64-linux -O0 -S -emit-llvm -o- %s -fstack-clash-protection | FileCheck %s
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3
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4 // CHECK: define void @large_stack() #[[A:.*]] {
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5 void large_stack() {
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6 volatile int stack[20000], i;
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7 for (i = 0; i < sizeof(stack) / sizeof(int); ++i)
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8 stack[i] = i;
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9 }
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10
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11 // CHECK: define void @vla({{.*}}) #[[A:.*]] {
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12 void vla(int n) {
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13 volatile int vla[n];
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14 __builtin_memset(&vla[0], 0, 1);
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15 }
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16
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17 // CHECK: define void @builtin_alloca({{.*}}) #[[A:.*]] {
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18 void builtin_alloca(int n) {
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19 volatile void *mem = __builtin_alloca(n);
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20 }
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21
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22 // CHECK: attributes #[[A]] = {{.*}} "probe-stack"="inline-asm"