| // RUN: %clang_cc1 -emit-llvm -fms-extensions -o - %s | FileCheck %s |
| |
| typedef typeof(sizeof(0)) size_t; |
| |
| void bar(char *s); |
| void *memset(void *s, int c, size_t n); |
| void *memcpy(void *d, const void *s, size_t n); |
| |
| // CHECK: define{{.*}} void @foo1({{.*}}) #[[NO_NOBUILTIN:[0-9]+]] |
| void foo1(char *s, char *d, size_t n) { |
| bar(s); |
| memset(s, 0, n); |
| memcpy(d, s, n); |
| } |
| |
| #pragma function(strlen, memset) |
| |
| // CHECK: define{{.*}} void @foo2({{.*}}) #[[NOBUILTIN_MEMSET:[0-9]+]] |
| void foo2(char *s, char *d, size_t n) { |
| bar(s); |
| memset(s, 1, n); |
| memcpy(d, s, n); |
| } |
| |
| #pragma function(memcpy) |
| |
| // CHECK: define{{.*}} void @foo3({{.*}}) #[[NOBUILTIN_MEMSET_MEMCPY:[0-9]+]] |
| void foo3(char *s, char *d, size_t n) { |
| bar(s); |
| memset(s, 2, n); |
| memcpy(d, s, n); |
| } |
| |
| // CHECK-NOT: attributes #[[NO_NOBUILTIN]] = {{{.*}}"no-builtin-memset"{{.*}}} |
| // CHECK-NOT: attributes #[[NO_NOBUILTIN]] = {{{.*}}"no-builtin-memcpy"{{.*}}"no-builtin-memset"{{.*}}} |
| // CHECK: attributes #[[NOBUILTIN_MEMSET]] = {{{.*}}"no-builtin-memset"{{.*}}} |
| // CHECK-NOT: attributes #[[NOBUILTIN_MEMSET]] = {{{.*}}"no-builtin-memcpy"{{.*}}"no-builtin-memset"{{.*}}} |
| // CHECK: attributes #[[NOBUILTIN_MEMSET_MEMCPY]] = {{{.*}}"no-builtin-memcpy"{{.*}}"no-builtin-memset"{{.*}}} |