1 ; RUN: llc < %s -arm-tail-calls=1 | FileCheck %s 2 3 ; tail call inside a function where byval argument is splitted between 4 ; registers and stack is currently unsupported. 5 ; XFAIL: * 6 7 target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:32-f32:32:32-f64:32:32-v64:32:64-v128:32:128-a0:0:32-n32" 8 target triple = "thumbv7-apple-ios" 9 10 %struct.A = type <{ i16, i16, i32, i16, i16, i32, i16, [8 x %struct.B], [418 x i8], %struct.C }> 11 %struct.B = type <{ i32, i16, i16 }> 12 %struct.C = type { i16, i32, i16, i16 } 13 14 ; CHECK: f 15 ; CHECK: push {r1, r2, r3} 16 ; CHECK: add sp, #12 17 ; CHECK: b.w _puts 18 19 define void @f(i8* %s, %struct.A* nocapture byval %a) nounwind optsize { 20 entry: 21 %puts = tail call i32 @puts(i8* %s) 22 ret void 23 } 24 25 declare i32 @puts(i8* nocapture) nounwind 26