| #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 |
| ... |
