forked from OSchip/llvm-project
127 lines
2.8 KiB
C
127 lines
2.8 KiB
C
// RUN: clang-cc -triple x86_64-apple-darwin -S %s -o - | FileCheck %s
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#define strcpy(dest, src) \
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((__builtin_object_size(dest, 0) != -1ULL) \
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? __builtin___strcpy_chk (dest, src, __builtin_object_size(dest, 1)) \
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: __inline_strcpy_chk(dest, src))
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static char *__inline_strcpy_chk (char *dest, const char *src) {
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return __builtin___strcpy_chk(dest, src, __builtin_object_size(dest, 1));
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}
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char gbuf[63];
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char *gp;
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int gi, gj;
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void test1() {
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// CHECK: movabsq $59, %rdx
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// CHECK-NEXT: movq
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// CHECK-NEXT: movq
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// CHECK-NEXT: call ___strcpy_chk
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strcpy(&gbuf[4], "Hi there");
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}
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void test2() {
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// CHECK: movabsq $63, %rdx
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// CHECK-NEXT: movq
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// CHECK-NEXT: movq
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// CHECK-NEXT: call ___strcpy_chk
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strcpy(gbuf, "Hi there");
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}
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void test3() {
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// CHECK: movabsq $0, %rdx
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// CHECK-NEXT: movq
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// CHECK-NEXT: movq
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// CHECK-NEXT: call ___strcpy_chk
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strcpy(&gbuf[100], "Hi there");
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}
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void test4() {
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// CHECK: movabsq $0, %rdx
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// CHECK-NEXT: movq
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// CHECK-NEXT: movq
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// CHECK-NEXT: call ___strcpy_chk
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strcpy((char*)(void*)&gbuf[-1], "Hi there");
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}
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void test5() {
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// CHECK: movq $-1, %rax
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// CHECK-NEXT: cmpq $-1, %rax
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// CHECK: call ___inline_strcpy_chk
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strcpy(gp, "Hi there");
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}
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void test6() {
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char buf[57];
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// CHECK: movabsq $53, %rdx
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// CHECK-NEXT: movq
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// CHECK-NEXT: movq
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// CHECK-NEXT: call ___strcpy_chk
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strcpy(&buf[4], "Hi there");
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}
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void test7() {
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int i;
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// CHECK-NOT: call ___strcpy_chk
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// CHECK: call ___inline_strcpy_chk
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strcpy((++i, gbuf), "Hi there");
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}
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void test8() {
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char *buf[50];
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// CHECK-NOT: call ___strcpy_chk
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// CHECK: call ___inline_strcpy_chk
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strcpy(buf[++gi], "Hi there");
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}
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void test9() {
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// CHECK-NOT: call ___strcpy_chk
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// CHECK: call ___inline_strcpy_chk
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strcpy((char *)((++gi) + gj), "Hi there");
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}
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char **p;
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void test10() {
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// CHECK-NOT: call ___strcpy_chk
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// CHECK: call ___inline_strcpy_chk
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strcpy(*(++p), "Hi there");
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}
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void test11() {
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// CHECK-NOT: call ___strcpy_chk
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// CHECK: call ___inline_strcpy_chk
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strcpy(gp = gbuf, "Hi there");
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}
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void test12() {
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// CHECK-NOT: call ___strcpy_chk
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// CHECK: call ___inline_strcpy_chk
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strcpy(++gp, "Hi there");
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}
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void test13() {
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// CHECK-NOT: call ___strcpy_chk
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// CHECK: call ___inline_strcpy_chk
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strcpy(gp++, "Hi there");
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}
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void test14() {
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// CHECK-NOT: call ___strcpy_chk
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// CHECK: call ___inline_strcpy_chk
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strcpy(--gp, "Hi there");
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}
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void test15() {
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// CHECK-NOT: call ___strcpy_chk
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// CHECK: call ___inline_strcpy_chk
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strcpy(gp--, "Hi there");
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}
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void test16() {
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// CHECK-NOT: call ___strcpy_chk
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// CHECK: call ___inline_strcpy_chk
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strcpy(gp += 1, "Hi there");
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}
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