1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=i686-unknown-linux -tailcallopt -no-x86-call-frame-opt | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker; Linux has 8 byte alignment so the params cause stack size 20 when tailcallopt 3*9880d681SAndroid Build Coastguard Worker; is enabled, ensure that a normal fastcc call has matching stack size 4*9880d681SAndroid Build Coastguard Worker 5*9880d681SAndroid Build Coastguard Worker 6*9880d681SAndroid Build Coastguard Workerdefine fastcc i32 @tailcallee(i32 %a1, i32 %a2, i32 %a3, i32 %a4) { 7*9880d681SAndroid Build Coastguard Worker ret i32 %a3 8*9880d681SAndroid Build Coastguard Worker} 9*9880d681SAndroid Build Coastguard Worker 10*9880d681SAndroid Build Coastguard Workerdefine fastcc i32 @tailcaller(i32 %in1, i32 %in2, i32 %in3, i32 %in4) { 11*9880d681SAndroid Build Coastguard Worker %tmp11 = tail call fastcc i32 @tailcallee(i32 %in1, i32 %in2, 12*9880d681SAndroid Build Coastguard Worker i32 %in1, i32 %in2) 13*9880d681SAndroid Build Coastguard Worker ret i32 %tmp11 14*9880d681SAndroid Build Coastguard Worker} 15*9880d681SAndroid Build Coastguard Worker 16*9880d681SAndroid Build Coastguard Workerdefine i32 @main(i32 %argc, i8** %argv) { 17*9880d681SAndroid Build Coastguard Worker %tmp1 = call fastcc i32 @tailcaller( i32 1, i32 2, i32 3, i32 4 ) 18*9880d681SAndroid Build Coastguard Worker ; expect match subl [stacksize] here 19*9880d681SAndroid Build Coastguard Worker ret i32 0 20*9880d681SAndroid Build Coastguard Worker} 21*9880d681SAndroid Build Coastguard Worker 22*9880d681SAndroid Build Coastguard Worker; CHECK: calll tailcaller 23*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: subl $12 24