Imported Upstream version 5.18.0.246

Former-commit-id: 0c7ce5b1a7851e13f22acfd379b7f9fb304e4833
This commit is contained in:
Xamarin Public Jenkins (auto-signing)
2019-01-23 08:21:40 +00:00
parent a7724cd563
commit 279aa8f685
28482 changed files with 3866972 additions and 44 deletions

View File

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# RUN: llc -mtriple=s390x-linux-gnu -mcpu=z13 -run-pass=postrapseudos -o - %s | FileCheck %s
#
# Test that a COPY with an undef source operand gets handled like an identity
# copy rather than lowered into a target instruction with the undef flag
# dropped.
---
# CHECK-LABEL: name: undef_copy
# CHECK: %r13d = KILL undef %r0d, implicit killed %r12q, implicit-def %r12q
name: undef_copy
tracksRegLiveness: true
body: |
bb.0:
liveins: %r12q
%r13d = COPY undef %r0d, implicit killed %r12q, implicit-def %r12q