legalize-load-trunc.mir
973 Bytes
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -march=aarch64 -run-pass=legalizer %s -o - -verify-machineinstrs | FileCheck %s
---
name: test_load_trunc
stack:
- { id: 0, type: default, offset: 0, size: 2,
alignment: 2, stack-id: default, callee-saved-register: '', callee-saved-restored: true,
debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
body: |
bb.0.entry:
; CHECK-LABEL: name: test_load_trunc
; CHECK: [[FRAME_INDEX:%[0-9]+]]:_(p0) = G_FRAME_INDEX %stack.0
; CHECK: [[LOAD:%[0-9]+]]:_(s16) = G_LOAD [[FRAME_INDEX]](p0) :: (load 2)
; CHECK: [[TRUNC:%[0-9]+]]:_(s10) = G_TRUNC [[LOAD]](s16)
; CHECK: [[TRUNC1:%[0-9]+]]:_(s1) = G_TRUNC [[TRUNC]](s10)
; CHECK: RET_ReallyLR implicit [[TRUNC1]](s1)
%0:_(p0) = G_FRAME_INDEX %stack.0
%1:_(s10) = G_LOAD %0(p0) :: (load 2)
%2:_(s1) = G_TRUNC %1(s10)
RET_ReallyLR implicit %2(s1)
...