; 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, ptr %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