| #RUN: llc -mtriple=aarch64-- -run-pass prologepilog %s -o - | FileCheck %s |
| # Check that we use the frame pointer to address the emergency spill slot. |
| # Using the base pointer will result in an assert with "Emergency spill slot is |
| # out of reach". |
| --- |
| name: hugeStack |
| # CHECK-LABEL: name: hugeStack |
| tracksRegLiveness: true |
| frameInfo: |
| localFrameSize: 256 |
| stack: |
| - { id: 0, type: variable-sized, alignment: 1 } |
| - { id: 1, name: '', size: 32761, alignment: 8 } |
| body: | |
| bb.0: |
| STRXui undef $x8, %stack.0, 0 |
| ; CHECK: STURXi undef $x8, $fp, -24 |
| B %bb.1 |
| bb.1: |
| liveins: $x0, $x1, $x2, $x3, $x4, $x5, $x6, $x7, $x8, $x9, $x10, $x11, $x12, $x13, $x14, $x15, $x16, $x17, $x18, $x19, $x20, $x21, $x22, $x23, $x24, $x25, $x26, $x27, $x28, $fp, $lr |
| RET_ReallyLR implicit $x21, implicit $x22, implicit $x23, implicit $x24, implicit $x25, implicit $x26, implicit $x27, implicit $x28 |
| ... |
| --- |
| name: fpDoesNotFit |
| # CHECK-LABEL: name: fpDoesNotFit |
| tracksRegLiveness: true |
| frameInfo: |
| hasStackMap: true |
| # set to true to force hasFP to true. |
| stack: |
| - { id: 0, name: '', size: 4096, alignment: 8 } |
| - { id: 1, name: '', size: 32761, alignment: 8 } |
| body: | |
| bb.0: |
| STRXui undef $x8, %stack.0, -34 |
| ; Pick SP here. Picking FP will require scavenging a register. |
| ; CHECK: STRXui undef $x8, $sp, 4062 |
| RET_ReallyLR |
