1 #RUN: llc -mtriple=aarch64-- -run-pass prologepilog %s -o - | FileCheck %s
2 # Check that we use the frame pointer to address the emergency spill slot.
3 # Using the base pointer will result in an assert with "Emergency spill slot is
7 # CHECK-LABEL: name: hugeStack
8 tracksRegLiveness: true
12 - { id: 0, type: variable-sized, alignment: 1 }
13 - { id: 1, name: '', size: 32761, alignment: 8 }
16 liveins: $x19, $x20, $x21, $x22, $x23, $x24, $x25, $x26, $x27, $x28
18 STRXui undef $x8, %stack.0, 0
19 ; CHECK: STRXui undef $x8, $fp, 0
22 liveins: $x19, $x20, $x21, $x22, $x23, $x24, $x25, $x26, $x27, $x28
24 RET_ReallyLR implicit $x19, implicit $x20, implicit $x21, implicit $x22, implicit $x23, implicit $x24, implicit $x25, implicit $x26, implicit $x27, implicit $x28
28 # CHECK-LABEL: name: fpDoesNotFit
29 tracksRegLiveness: true
32 # set to true to force hasFP to true.
34 - { id: 0, name: '', size: 4096, alignment: 8 }
35 - { id: 1, name: '', size: 32761, alignment: 8 }
38 STRXui undef $x8, %stack.0, -34
39 ; Pick SP here. Picking FP will require scavenging a register.
40 ; CHECK: STRXui undef $x8, $sp, 4062