| Mon P Wang | cc2ab0c | 2010-04-04 03:10:52 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -triple i386-pc-linux-gnu -emit-llvm < %s| FileCheck %s |
| Daniel Dunbar | 327acd7 | 2008-07-22 00:26:45 +0000 | [diff] [blame] | 2 | |
| Chris Lattner | 30107ed | 2011-04-17 00:40:24 +0000 | [diff] [blame] | 3 | // CHECK: @test1 |
| Mon P Wang | cc2ab0c | 2010-04-04 03:10:52 +0000 | [diff] [blame] | 4 | // CHECK: call void @llvm.memset.p0i8.i32 |
| 5 | // CHECK: call void @llvm.memset.p0i8.i32 |
| 6 | // CHECK: call void @llvm.memcpy.p0i8.p0i8.i32 |
| 7 | // CHECK: call void @llvm.memmove.p0i8.p0i8.i32 |
| 8 | // CHECK-NOT: __builtin |
| 9 | // CHECK: ret |
| Chris Lattner | 30107ed | 2011-04-17 00:40:24 +0000 | [diff] [blame] | 10 | int test1(int argc, char **argv) { |
| Daniel Dunbar | 327acd7 | 2008-07-22 00:26:45 +0000 | [diff] [blame] | 11 | unsigned char a = 0x11223344; |
| 12 | unsigned char b = 0x11223344; |
| 13 | __builtin_bzero(&a, sizeof(a)); |
| 14 | __builtin_memset(&a, 0, sizeof(a)); |
| 15 | __builtin_memcpy(&a, &b, sizeof(a)); |
| 16 | __builtin_memmove(&a, &b, sizeof(a)); |
| 17 | return 0; |
| 18 | } |
| Chris Lattner | 30107ed | 2011-04-17 00:40:24 +0000 | [diff] [blame] | 19 | |
| 20 | // rdar://9289468 |
| 21 | |
| 22 | // CHECK: @test2 |
| 23 | // CHECK: call void @llvm.memcpy.p0i8.p0i8.i32 |
| 24 | char* test2(char* a, char* b) { |
| 25 | return __builtin_memcpy(a, b, 4); |
| 26 | } |
| 27 | |
| 28 | // CHECK: @test3 |
| 29 | // CHECK: call void @llvm.memset |
| 30 | void test3(char *P) { |
| 31 | __builtin___memset_chk(P, 42, 128, 128); |
| 32 | } |
| 33 | |
| 34 | // CHECK: @test4 |
| 35 | // CHECK: call void @llvm.memcpy |
| 36 | void test4(char *P, char *Q) { |
| 37 | __builtin___memcpy_chk(P, Q, 128, 128); |
| 38 | } |
| 39 | |
| 40 | // CHECK: @test5 |
| 41 | // CHECK: call void @llvm.memmove |
| 42 | void test5(char *P, char *Q) { |
| 43 | __builtin___memmove_chk(P, Q, 128, 128); |
| 44 | } |
| Chris Lattner | 54fd1a1 | 2011-04-20 23:14:50 +0000 | [diff] [blame] | 45 | |
| 46 | // CHECK: @test6 |
| 47 | // CHECK: call void @llvm.memcpy |
| 48 | int test6(char *X) { |
| 49 | return __builtin___memcpy_chk(X, X, 42, 42) != 0; |
| 50 | } |