xref: /llvm-project/llvm/test/CodeGen/AArch64/GlobalISel/legalize-load-trunc.mir (revision 873d2aff426b484a7934c6b43a533a718d8bfbb1)
1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
2# RUN: llc -mtriple=aarch64 -run-pass=legalizer %s -o - -verify-machineinstrs | FileCheck %s
3---
4name:            test_load_trunc
5stack:
6  - { id: 0, type: default, offset: 0, size: 2,
7      alignment: 2, stack-id: default, callee-saved-register: '', callee-saved-restored: true,
8      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
9body: |
10  bb.0.entry:
11
12    ; CHECK-LABEL: name: test_load_trunc
13    ; CHECK: [[FRAME_INDEX:%[0-9]+]]:_(p0) = G_FRAME_INDEX %stack.0
14    ; CHECK: [[LOAD:%[0-9]+]]:_(s16) = G_LOAD [[FRAME_INDEX]](p0) :: (load (s16))
15    ; CHECK: [[ASSERT_ZEXT:%[0-9]+]]:_(s16) = G_ASSERT_ZEXT [[LOAD]], 10
16    ; CHECK: [[TRUNC:%[0-9]+]]:_(s1) = G_TRUNC [[ASSERT_ZEXT]](s16)
17    ; CHECK: RET_ReallyLR implicit [[TRUNC]](s1)
18    %0:_(p0) = G_FRAME_INDEX %stack.0
19    %1:_(s10) = G_LOAD %0(p0) :: (load (s10))
20    %2:_(s1) = G_TRUNC %1(s10)
21    RET_ReallyLR implicit %2(s1)
22...
23