xref: /llvm-project/clang/test/CodeGen/pragma-ms-function.c (revision 3946de0456fcbcd3a6c9f0d09d16d46c7987e0d7)
1*3946de04SStephen Long // RUN: %clang_cc1 -emit-llvm -fms-extensions -o - %s | FileCheck %s
2*3946de04SStephen Long 
3*3946de04SStephen Long typedef typeof(sizeof(0)) size_t;
4*3946de04SStephen Long 
5*3946de04SStephen Long void bar(char *s);
6*3946de04SStephen Long void *memset(void *s, int c, size_t n);
7*3946de04SStephen Long void *memcpy(void *d, const void *s, size_t n);
8*3946de04SStephen Long 
9*3946de04SStephen Long // CHECK: define{{.*}} void @foo1({{.*}}) #[[NO_NOBUILTIN:[0-9]+]]
foo1(char * s,char * d,size_t n)10*3946de04SStephen Long void foo1(char *s, char *d, size_t n) {
11*3946de04SStephen Long   bar(s);
12*3946de04SStephen Long   memset(s, 0, n);
13*3946de04SStephen Long   memcpy(d, s, n);
14*3946de04SStephen Long }
15*3946de04SStephen Long 
16*3946de04SStephen Long #pragma function(strlen, memset)
17*3946de04SStephen Long 
18*3946de04SStephen Long // CHECK: define{{.*}} void @foo2({{.*}}) #[[NOBUILTIN_MEMSET:[0-9]+]]
foo2(char * s,char * d,size_t n)19*3946de04SStephen Long void foo2(char *s, char *d, size_t n) {
20*3946de04SStephen Long   bar(s);
21*3946de04SStephen Long   memset(s, 1, n);
22*3946de04SStephen Long   memcpy(d, s, n);
23*3946de04SStephen Long }
24*3946de04SStephen Long 
25*3946de04SStephen Long #pragma function(memcpy)
26*3946de04SStephen Long 
27*3946de04SStephen Long // CHECK: define{{.*}} void @foo3({{.*}}) #[[NOBUILTIN_MEMSET_MEMCPY:[0-9]+]]
foo3(char * s,char * d,size_t n)28*3946de04SStephen Long void foo3(char *s, char *d, size_t n) {
29*3946de04SStephen Long   bar(s);
30*3946de04SStephen Long   memset(s, 2, n);
31*3946de04SStephen Long   memcpy(d, s, n);
32*3946de04SStephen Long }
33*3946de04SStephen Long 
34*3946de04SStephen Long // CHECK-NOT: attributes #[[NO_NOBUILTIN]] = {{{.*}}"no-builtin-memset"{{.*}}}
35*3946de04SStephen Long // CHECK-NOT: attributes #[[NO_NOBUILTIN]] = {{{.*}}"no-builtin-memcpy"{{.*}}"no-builtin-memset"{{.*}}}
36*3946de04SStephen Long // CHECK:     attributes #[[NOBUILTIN_MEMSET]] = {{{.*}}"no-builtin-memset"{{.*}}}
37*3946de04SStephen Long // CHECK-NOT: attributes #[[NOBUILTIN_MEMSET]] = {{{.*}}"no-builtin-memcpy"{{.*}}"no-builtin-memset"{{.*}}}
38*3946de04SStephen Long // CHECK:     attributes #[[NOBUILTIN_MEMSET_MEMCPY]] = {{{.*}}"no-builtin-memcpy"{{.*}}"no-builtin-memset"{{.*}}}
39