commit: d7b650cc721f7dbb52cbfa0a50797e61990d7990
[log]
author: Sam Parker <sam.parker@arm.com>
Thu May 09 11:56:16 2019 +0000
committer: Sam Parker <sam.parker@arm.com>
Thu May 09 11:56:16 2019 +0000
tree: 720a9289b3b505e542787857e9387986898efe5b
parent: 933e305ed909fd93f9c2d7107b28e4ec2fea38ab [diff]

[ARM][CGP] Guard against signext args and sitofp

Add an Argument that has the SExtAttr attached, as well as SIToFP
instructions, as values that generate sign bits. SIToFP doesn't
strictly do this and could be treated as a sink to be sign-extended.

Differential Revision: https://reviews.llvm.org/D61381

llvm-svn: 360331

llvm/lib/Target/ARM/ARMCodeGenPrepare.cpp[diff]
llvm/test/CodeGen/ARM/CGP/arm-cgp-casts.ll[diff]
llvm/test/CodeGen/ARM/CGP/arm-cgp-signed.ll[diff]

3 files changed

tree: 720a9289b3b505e542787857e9387986898efe5b

clang/
clang-tools-extra/
compiler-rt/
debuginfo-tests/
libclc/
libcxx/
libcxxabi/
libunwind/
lld/
lldb/
llgo/
llvm/
openmp/
parallel-libs/
polly/
pstl/
.arcconfig
.clang-format
.clang-tidy
.gitignore
README.md

README.md

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.