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llvm-project/llvm
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Nicolai Haehnle 7febdb7f27 MachineSSAUpdater: insert IMPLICIT_DEF at top of basic block 
Summary:
When getValueInMiddleOfBlock happens to be called for a basic block
that has no incoming value at all, an IMPLICIT_DEF is inserted in that
block via GetValueAtEndOfBlockInternal. This IMPLICIT_DEF must be at
the top of its basic block or it will likely not reach the use that
the caller intends to insert.

Issue: https://github.com/GPUOpen-Drivers/llpc/issues/204

Reviewers: arsenm, rampitec

Subscribers: jvesely, wdng, hiraditya, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D68183

llvm-svn: 374040
2019-10-08 12:46:20 +00:00
..
benchmarks
…
bindings
Revert "[OCaml] Handle nullptr in Llvm.global_initializer"
2019-10-01 08:29:07 +00:00
cmake
Reland r349624: Let TableGen write output only if it changed, instead of doing so in cmake
2019-10-03 21:22:28 +00:00
docs
Fix the spelling of my name.
2019-10-07 22:55:42 +00:00
examples
[Orc] Roll back ThreadPool to std::function
2019-09-13 11:59:51 +00:00
include
[MCA][LSUnit] Track loads and stores until retirement.
2019-10-08 10:46:01 +00:00
lib
MachineSSAUpdater: insert IMPLICIT_DEF at top of basic block
2019-10-08 12:46:20 +00:00
projects
Add few docs and implementation of strcpy and strcat.
2019-10-04 17:30:54 +00:00
resources
…
runtimes
Adding support for overriding LLVM_ENABLE_RUNTIMES for runtimes builds.
2019-09-24 22:38:18 +00:00
test
MachineSSAUpdater: insert IMPLICIT_DEF at top of basic block
2019-10-08 12:46:20 +00:00
tools
[llvm-exegesis] Finish plumbing the Config field.
2019-10-08 09:06:48 +00:00
unittests
[llvm-exegesis] Finish plumbing the Config field.
2019-10-08 09:06:48 +00:00
utils
[LitConfig] Silenced notes/warnings on quiet.
2019-10-08 01:31:02 +00:00
.arcconfig
…
.clang-format
…
.clang-tidy
…
.gitattributes
…
.gitignore
…
CMakeLists.txt
Add few docs and implementation of strcpy and strcat.
2019-10-04 17:30:54 +00:00
CODE_OWNERS.TXT
…
configure
…
CREDITS.TXT
…
LICENSE.TXT
…
llvm.spec.in
…
LLVMBuild.txt
…
README.txt
Test commit.
2019-10-03 14:57:49 +00:00
RELEASE_TESTERS.TXT
…

README.txt 

The LLVM Compiler Infrastructure
================================

This directory and its subdirectories contain source code for LLVM,
a toolkit for the construction of highly optimized compilers,
optimizers, and runtime environments.

LLVM is open source software. You may freely distribute it under the terms of
the license agreement found in LICENSE.txt.

Please see the documentation provided in docs/ for further
assistance with LLVM, and in particular docs/GettingStarted.rst for getting
started with LLVM and docs/README.txt for an overview of LLVM's
documentation setup.

If you are writing a package for LLVM, see docs/Packaging.rst for our
suggestions.