Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b
This commit is contained in:
Xamarin Public Jenkins (auto-signing)
2020-01-16 16:38:04 +00:00
parent d94e79959b
commit 468663ddbb
48518 changed files with 2789335 additions and 61176 deletions

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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