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author | Dimitry Andric <dim@FreeBSD.org> | 2019-08-20 20:50:12 +0000 |
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committer | Dimitry Andric <dim@FreeBSD.org> | 2019-08-20 20:50:12 +0000 |
commit | e6d1592492a3a379186bfb02bd0f4eda0669c0d5 (patch) | |
tree | 599ab169a01f1c86eda9adc774edaedde2f2db5b /lib/CodeGen/LiveRegUnits.cpp | |
parent | 1a56a5ead7a2e84bee8240f5f6b033b5f1707154 (diff) | |
download | src-e6d1592492a3a379186bfb02bd0f4eda0669c0d5.tar.gz src-e6d1592492a3a379186bfb02bd0f4eda0669c0d5.zip |
Vendor import of stripped llvm trunk r366426 (just before the release_90vendor/llvm/llvm-trunk-r366426
branch point):
https://llvm.org/svn/llvm-project/llvm/trunk@366426
Notes
Notes:
svn path=/vendor/llvm/dist/; revision=351278
svn path=/vendor/llvm/llvm-trunk-r366426/; revision=351279; tag=vendor/llvm/llvm-trunk-r366426
Diffstat (limited to 'lib/CodeGen/LiveRegUnits.cpp')
-rw-r--r-- | lib/CodeGen/LiveRegUnits.cpp | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/lib/CodeGen/LiveRegUnits.cpp b/lib/CodeGen/LiveRegUnits.cpp index c22681385492..6afb7fb7aa11 100644 --- a/lib/CodeGen/LiveRegUnits.cpp +++ b/lib/CodeGen/LiveRegUnits.cpp @@ -1,9 +1,8 @@ //===- LiveRegUnits.cpp - Register Unit Set -------------------------------===// // -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// // @@ -126,13 +125,15 @@ void LiveRegUnits::addPristines(const MachineFunction &MF) { void LiveRegUnits::addLiveOuts(const MachineBasicBlock &MBB) { const MachineFunction &MF = *MBB.getParent(); - if (!MBB.succ_empty()) { - addPristines(MF); - // To get the live-outs we simply merge the live-ins of all successors. - for (const MachineBasicBlock *Succ : MBB.successors()) - addBlockLiveIns(*this, *Succ); - } else if (MBB.isReturnBlock()) { - // For the return block: Add all callee saved registers. + + addPristines(MF); + + // To get the live-outs we simply merge the live-ins of all successors. + for (const MachineBasicBlock *Succ : MBB.successors()) + addBlockLiveIns(*this, *Succ); + + // For the return block: Add all callee saved registers. + if (MBB.isReturnBlock()) { const MachineFrameInfo &MFI = MF.getFrameInfo(); if (MFI.isCalleeSavedInfoValid()) addCalleeSavedRegs(*this, MF); |