Update clang to r86025.vendor/clang/clang-r86025

1 files changed, 126 insertions, 0 deletions

diff --git a/test/CodeGen/object-size.c b/test/CodeGen/object-size.c
new file mode 100644
index 000000000000..61d85419fc69
--- /dev/null
+++ b/test/CodeGen/object-size.c
@@ -0,0 +1,126 @@
+// RUN: clang-cc -triple x86_64-apple-darwin -S %s -o - | FileCheck %s
+
+#define strcpy(dest, src) \
+  ((__builtin_object_size(dest, 0) != -1ULL) \
+   ? __builtin___strcpy_chk (dest, src, __builtin_object_size(dest, 1)) \
+   : __inline_strcpy_chk(dest, src))
+
+static char *__inline_strcpy_chk (char *dest, const char *src) {
+  return __builtin___strcpy_chk(dest, src, __builtin_object_size(dest, 1));
+}
+
+char gbuf[63];
+char *gp;
+int gi, gj;
+
+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:       movb    $0, %al
+  // CHECK-NEXT:  testb   %al, %al
+  // CHECK:       call    ___inline_strcpy_chk
+  strcpy(gp, "Hi there");
+}
+
+void test6() {
+  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");
+}
+
+void test7() {
+  int i;
+  // CHECK-NOT:   call    ___strcpy_chk
+  // CHECK:       call    ___inline_strcpy_chk
+  strcpy((++i, gbuf), "Hi there");
+}
+
+void test8() {
+  char *buf[50];
+  // CHECK-NOT:   call    ___strcpy_chk
+  // CHECK:       call    ___inline_strcpy_chk
+  strcpy(buf[++gi], "Hi there");
+}
+
+void test9() {
+  // CHECK-NOT:   call    ___strcpy_chk
+  // CHECK:       call    ___inline_strcpy_chk
+  strcpy((char *)((++gi) + gj), "Hi there");
+}
+
+char **p;
+void test10() {
+  // CHECK-NOT:   call    ___strcpy_chk
+  // CHECK:       call    ___inline_strcpy_chk
+  strcpy(*(++p), "Hi there");
+}
+
+void test11() {
+  // CHECK-NOT:   call    ___strcpy_chk
+  // CHECK:       call    ___inline_strcpy_chk
+  strcpy(gp = gbuf, "Hi there");
+}
+
+void test12() {
+  // CHECK-NOT:   call    ___strcpy_chk
+  // CHECK:       call    ___inline_strcpy_chk
+  strcpy(++gp, "Hi there");
+}
+
+void test13() {
+  // CHECK-NOT:   call    ___strcpy_chk
+  // CHECK:       call    ___inline_strcpy_chk
+  strcpy(gp++, "Hi there");
+}
+
+void test14() {
+  // CHECK-NOT:   call    ___strcpy_chk
+  // CHECK:       call    ___inline_strcpy_chk
+  strcpy(--gp, "Hi there");
+}
+
+void test15() {
+  // CHECK-NOT:   call    ___strcpy_chk
+  // CHECK:       call    ___inline_strcpy_chk
+  strcpy(gp--, "Hi there");
+}
+
+void test16() {
+  // CHECK-NOT:   call    ___strcpy_chk
+  // CHECK:       call    ___inline_strcpy_chk
+  strcpy(gp += 1, "Hi there");
+}