| ; RUN: llc -mtriple=aarch64-windows -verify-machineinstrs %s -o - \ |
| ; RUN: | FileCheck -check-prefix CHECK-DEFAULT-CODE-MODEL %s |
| ; RUN: llc -mtriple=aarch64-windows -print-machineinstrs=prologepilog %s -o - 2>&1 \ |
| ; RUN: | FileCheck -check-prefix CHECK-REGSTATE %s |
| |
| ; RUN: llc -mtriple=aarch64-windows -verify-machineinstrs -code-model=large %s -o - \ |
| ; RUN: | FileCheck -check-prefix CHECK-LARGE-CODE-MODEL %s |
| ; RUN: llc -mtriple=aarch64-windows -print-machineinstrs=prologepilog -code-model=large %s -o - 2>&1 \ |
| ; RUN: | FileCheck -check-prefix CHECK-REGSTATE-LARGE %s |
| |
| define void @check_watermark() { |
| entry: |
| %buffer = alloca [4096 x i8], align 1 |
| ret void |
| } |
| |
| ; CHECK-DEFAULT-CODE-MODEL: check_watermark: |
| ; CHECK-DEFAULT-CODE-MODEL-DAG: stp x29, x30, [sp |
| ; CHECK-DEFAULT-CODE-MODEL-DAG: mov x15, #256 |
| ; CHECK-DEFAULT-CODE-MODEL: bl __chkstk |
| ; CHECK-DEFAULT-CODE-MODEL: sub sp, sp, x15, lsl #4 |
| |
| ; CHECK-REGSTATE: frame-setup BL &__chkstk, implicit-def $lr, implicit $sp, implicit $x15, implicit-def dead $x16, implicit-def dead $x17, implicit-def dead $nzcv |
| |
| ; CHECK-LARGE-CODE-MODEL: check_watermark: |
| ; CHECK-LARGE-CODE-MODEL-DAG: stp x29, x30, [sp |
| ; CHECK-LARGE-CODE-MODEL-DAG: mov x15, #256 |
| ; CHECK-LARGE-CODE-MODEL-DAG: adrp x16, __chkstk |
| ; CHECK-LARGE-CODE-MODEL-DAG: add x16, x16, __chkstk |
| ; CHECK-LARGE-CODE-MODEL: blr x16 |
| ; CHECK-LARGE-CODE-MODEL: sub sp, sp, x15, lsl #4 |
| |
| ; CHECK-REGSTATE-LARGE: frame-setup BLR killed $x16, implicit-def $lr, implicit $sp, implicit-def $x15, implicit-def dead $x16, implicit-def dead $x17, implicit-def dead $nzcv |