| Edward O'Callaghan | 81fff07 | 2009-11-22 11:45:44 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -mtriple=i686-unknown-linux -tailcallopt | FileCheck %s |
| Arnold Schwaighofer | 1fdc40f | 2008-09-11 20:28:43 +0000 | [diff] [blame] | 2 | ; Linux has 8 byte alignment so the params cause stack size 20 when tailcallopt |
| 3 | ; is enabled, ensure that a normal fastcc call has matching stack size |
| 4 | |
| 5 | |
| 6 | define fastcc i32 @tailcallee(i32 %a1, i32 %a2, i32 %a3, i32 %a4) { |
| 7 | ret i32 %a3 |
| 8 | } |
| 9 | |
| 10 | define fastcc i32 @tailcaller(i32 %in1, i32 %in2, i32 %in3, i32 %in4) { |
| 11 | %tmp11 = tail call fastcc i32 @tailcallee(i32 %in1, i32 %in2, |
| 12 | i32 %in1, i32 %in2) |
| 13 | ret i32 %tmp11 |
| 14 | } |
| 15 | |
| 16 | define i32 @main(i32 %argc, i8** %argv) { |
| 17 | %tmp1 = call fastcc i32 @tailcaller( i32 1, i32 2, i32 3, i32 4 ) |
| 18 | ; expect match subl [stacksize] here |
| 19 | ret i32 0 |
| 20 | } |
| 21 | |
| Chris Lattner | 1eb1b68 | 2010-09-22 05:49:14 +0000 | [diff] [blame^] | 22 | ; CHECK: calll tailcaller |
| Edward O'Callaghan | 81fff07 | 2009-11-22 11:45:44 +0000 | [diff] [blame] | 23 | ; CHECK-NEXT: subl $12 |