| # 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 |
| ... |