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// RUN: clang-cc -triple x86_64-apple-darwin -S -D_FORTIFY_SOURCE=2 %s -o %t.s &&
// RUN: FileCheck --input-file=%t.s %s
#include <string.h>
char gbuf[63];
char *gp;
void test1() {
// CHECK: movabsq $59, %rdx
// CHECK-NEXT: movq %rax, %rdi
// CHECK-NEXT: movq %rcx, %rsi
// CHECK-NEXT: call ___strcpy_chk
strcpy(&gbuf[4], "Hi there");
}
void test2() {
// CHECK: movabsq $63, %rdx
// CHECK-NEXT: movq %rax, %rdi
// CHECK-NEXT: movq %rcx, %rsi
// CHECK-NEXT: call ___strcpy_chk
strcpy(gbuf, "Hi there");
}
void test3() {
// CHECK: movabsq $0, %rdx
// CHECK-NEXT: movq %rax, %rdi
// CHECK-NEXT: movq %rcx, %rsi
// CHECK-NEXT: call ___strcpy_chk
strcpy(&gbuf[100], "Hi there");
}
void test4() {
// CHECK: movabsq $0, %rdx
// CHECK-NEXT: movq %rax, %rdi
// CHECK-NEXT: movq %rcx, %rsi
// CHECK-NEXT: call ___strcpy_chk
strcpy((char*)(void*)&gbuf[-1], "Hi there");
}
void test5() {
// CHECK: call ___inline_strcpy_chk
strcpy(gp, "Hi there");
}
void test6() {
int i;
// CHECK: call ___inline_strcpy_chk
strcpy((++i, gbuf), "Hi there");
}
void test7() {
char buf[57];
// CHECK: movabsq $53, %rdx
// CHECK-NEXT: movq %rax, %rdi
// CHECK-NEXT: movq %rcx, %rsi
// CHECK-NEXT: call ___strcpy_chk
strcpy(&buf[4], "Hi there");
}
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