| Rafael Espindola | 2871020 | 2011-11-27 18:35:39 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -triple i386-unknown-unknown %s -emit-llvm -o - | FileCheck %s |
| 2 | |
| 3 | |
| 4 | // CHECK: _Z3fooRi(i32* inreg |
| 5 | void __attribute__ ((regparm (1))) foo(int &a) { |
| 6 | } |
| Rafael Espindola | 0b4cc95 | 2012-10-19 05:04:37 +0000 | [diff] [blame^] | 7 | |
| 8 | struct S1 { |
| 9 | int x; |
| 10 | S1(const S1 &y); |
| 11 | }; |
| 12 | |
| 13 | void __attribute__((regparm(3))) foo2(S1 a, int b); |
| 14 | // CHECK: declare void @_Z4foo22S1i(%struct.S1* inreg, i32 inreg) |
| 15 | void bar2(S1 a, int b) { |
| 16 | foo2(a, b); |
| 17 | } |
| 18 | |
| 19 | struct S2 { |
| 20 | int x; |
| 21 | }; |
| 22 | |
| 23 | void __attribute__((regparm(3))) foo3(struct S2 a, int b); |
| 24 | // declare void @_Z4foo12S1i(i32 inreg, i32 inreg) optsize |
| 25 | void bar3(struct S2 a, int b) { |
| 26 | foo3(a, b); |
| 27 | } |