llvm-project/llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-implicit-def.mir

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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=amdgcn-mesa-mesa3d -run-pass=legalizer %s -o - | FileCheck %s
# FIXME: Need to add test for IMPLICIT_DEF > 512 once all the operations used
# to legalize IMPLICIT_DEF are leagl.
---
name: test_implicit_def
body: |
bb.0:
liveins: $vgpr0, $vgpr1
; CHECK-LABEL: name: test_implicit_def
; CHECK: [[DEF:%[0-9]+]]:_(s448) = G_IMPLICIT_DEF
; CHECK: [[EXTRACT:%[0-9]+]]:_(s32) = G_EXTRACT [[DEF]](s448), 0
; CHECK: $vgpr0 = COPY [[EXTRACT]](s32)
%0:_(s448) = G_IMPLICIT_DEF
%1:_(s32) = G_EXTRACT %0, 0
$vgpr0 = COPY %1
...