#RUN: llc -mtriple=aarch64-- -run-pass prologepilog %s -o - | FileCheck %s # Check that we spill a scratch register, but not also an additional # emergency spill slot. --- name: big_stack # CHECK-LABEL: name: big_stack # CHECK: frame-setup STPXi killed $x20, killed $x19 # CHECK: $sp = frame-setup SUBXri $sp, 8, 12 # CHECK-NOT: frame-setup SUBXri $sp, 16, 0 tracksRegLiveness: true stack: - { id: 0, name: '', size: 32761, alignment: 8 } body: | bb.0: $x19 = IMPLICIT_DEF ; $x20 can be used as scratch register. $x21 = IMPLICIT_DEF $x22 = IMPLICIT_DEF $x23 = IMPLICIT_DEF $x24 = IMPLICIT_DEF $x25 = IMPLICIT_DEF $x26 = IMPLICIT_DEF $x27 = IMPLICIT_DEF $x28 = IMPLICIT_DEF $lr = IMPLICIT_DEF $fp = IMPLICIT_DEF RET_ReallyLR ...