| Warren Hunt | cca6f3b | 2013-11-02 00:34:45 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -triple=x86_64-linux-gnu -emit-llvm -o - %s | FileCheck %s |
| Douglas Gregor | b68e399 | 2010-12-21 19:47:46 +0000 | [diff] [blame] | 2 | |
| 3 | // PR8839 |
| 4 | extern "C" char memmove(); |
| 5 | |
| 6 | int main() { |
| Tim Northover | 55f0593 | 2013-02-07 15:11:36 +0000 | [diff] [blame] | 7 | // CHECK: call {{signext i8|i8}} @memmove() |
| Douglas Gregor | b68e399 | 2010-12-21 19:47:46 +0000 | [diff] [blame] | 8 | return memmove(); |
| 9 | } |
| Richard Smith | 5154dce | 2013-07-11 02:27:57 +0000 | [diff] [blame] | 10 | |
| 11 | struct S; |
| 12 | // CHECK: define {{.*}} @_Z9addressofbR1SS0_( |
| 13 | S *addressof(bool b, S &s, S &t) { |
| 14 | // CHECK: %[[LVALUE:.*]] = phi |
| 15 | // CHECK: ret {{.*}}* %[[LVALUE]] |
| 16 | return __builtin_addressof(b ? s : t); |
| 17 | } |
| Warren Hunt | 2d023ec | 2013-11-01 23:46:51 +0000 | [diff] [blame] | 18 | |
| 19 | extern "C" int __builtin_abs(int); // #1 |
| Warren Hunt | cca6f3b | 2013-11-02 00:34:45 +0000 | [diff] [blame] | 20 | long __builtin_abs(long); // #2 |
| Warren Hunt | 2d023ec | 2013-11-01 23:46:51 +0000 | [diff] [blame] | 21 | extern "C" int __builtin_abs(int); // #3 |
| 22 | |
| 23 | int x = __builtin_abs(-2); |
| NAKAMURA Takumi | 1e45375 | 2013-11-02 02:58:42 +0000 | [diff] [blame] | 24 | // CHECK: store i32 2, i32* @x, align 4 |
| Warren Hunt | 2d023ec | 2013-11-01 23:46:51 +0000 | [diff] [blame] | 25 | |
| Warren Hunt | cca6f3b | 2013-11-02 00:34:45 +0000 | [diff] [blame] | 26 | long y = __builtin_abs(-2l); |
| NAKAMURA Takumi | 1e45375 | 2013-11-02 02:58:42 +0000 | [diff] [blame] | 27 | // CHECK: [[Y:%.+]] = call i64 @_Z13__builtin_absl(i64 -2) |
| 28 | // CHECK: store i64 [[Y]], i64* @y, align 8 |