1; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s 2; 3; Test that space is allocated for the incoming back chain also in cases 4; where no GPRs are saved / restored. 5 6define void @fun0() #0 { 7; CHECK-LABEL: fun0: 8; CHECK: lgr %r1, %r15 9; CHECK-NEXT: aghi %r15, -24 10; CHECK-NEXT: stg %r1, 152(%r15) 11; CHECK-NEXT: #APP 12; CHECK-NEXT: stcke 160(%r15) 13; CHECK-NEXT: #NO_APP 14; CHECK-NEXT: aghi %r15, 24 15; CHECK-NEXT: br %r14 16 17entry: 18 %b = alloca [16 x i8], align 1 19 %0 = getelementptr inbounds [16 x i8], [16 x i8]* %b, i64 0, i64 0 20 call void asm "stcke $0", "=*Q"([16 x i8]* nonnull %b) #2 21 ret void 22} 23 24attributes #0 = { nounwind "packed-stack" "backchain" "use-soft-float"="true" } 25