select-intrinsic-aarch64-hint.mir
681 Bytes
# RUN: llc -mtriple=aarch64-- -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s
--- |
target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
define void @hint() { ret void }
...
---
# Check that we select a 'hint' intrinsic into a HINT instruction.
# CHECK-LABEL: name: hint
name: hint
legalized: true
regBankSelected: true
# CHECK: registers:
# CHECK-NEXT: - { id: 0, class: gpr, preferred-register: '' }
registers:
- { id: 0, class: gpr }
# CHECK: body:
# CHECK: HINT 1
body: |
bb.0:
liveins: $w0
%0(s32) = G_CONSTANT i32 1
G_INTRINSIC_W_SIDE_EFFECTS intrinsic(@llvm.aarch64.hint), %0
...