| ; RUN: llc < %s -mtriple=i686-unknown-linux -tailcallopt -no-x86-call-frame-opt | FileCheck %s |
| ; Linux has 8 byte alignment so the params cause stack size 20 when tailcallopt |
| ; is enabled, ensure that a normal fastcc call has matching stack size |
| |
| |
| define fastcc i32 @tailcallee(i32 %a1, i32 %a2, i32 %a3, i32 %a4) { |
| ret i32 %a3 |
| } |
| |
| define fastcc i32 @tailcaller(i32 %in1, i32 %in2, i32 %in3, i32 %in4) { |
| %tmp11 = tail call fastcc i32 @tailcallee(i32 %in1, i32 %in2, |
| i32 %in1, i32 %in2) |
| ret i32 %tmp11 |
| } |
| |
| define i32 @main(i32 %argc, i8** %argv) { |
| %tmp1 = call fastcc i32 @tailcaller( i32 1, i32 2, i32 3, i32 4 ) |
| ; expect match subl [stacksize] here |
| ret i32 0 |
| } |
| |
| ; CHECK: calll tailcaller |
| ; CHECK-NEXT: subl $12 |
