# RUN: llc -mtriple=aarch64-none-linux-gnu -run-pass=prologepilog %s -o - | FileCheck %s # Ensure references to scavenged stack slots in the CSR area use the # FP as a base when the stack pointer must be aligned to something # larger than required by the target. This is necessary because the # alignment padding area is between the CSR area and the SP, so the SP # cannot be used to reference the CSR area. name: test tracksRegLiveness: true frameInfo: maxAlignment: 64 # CHECK: stack: # CHECK: id: 0, name: '', type: default, offset: -64, size: 4, alignment: 64 # CHECK-NEXT: stack-id: 0 # CHECK-NEXT: local-offset: -64 # CHECK: id: 1, name: '', type: default, offset: -20, size: 4, alignment: 4 # CHECK-NEXT: stack-id: 0 # CHECK-NEXT: local-offset: -68 stack: - { id: 0, size: 4, alignment: 64, local-offset: -64 } - { id: 1, size: 4, alignment: 4, local-offset: -68 } # CHECK: body: # CHECK: $sp = ANDXri killed ${{x[0-9]+}}, 7865 # CHECK: STRSui $s0, $sp, 0 # CHECK: STURSi $s0, $fp, -4 body: | bb.0.entry: liveins: $s0 STRSui $s0, %stack.0, 0 STRSui $s0, %stack.1, 0 ; Force preserve a CSR to create a hole in the CSR stack region. $x28 = IMPLICIT_DEF RET_ReallyLR