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4d4c7ccee5
My initial motivation for this came from https://reviews.llvm.org/D48122, where it was pointed out that my change didn't fit well in SimplifyCFG and therefore using GVNHoist was a better way to go. GVNHoist has been disabled for a while as there was a list of bugs related to it. I have fixed the following bugs: https://bugs.llvm.org/show_bug.cgi?id=37808 -> https://reviews.llvm.org/D48372 (rL337149) https://bugs.llvm.org/show_bug.cgi?id=36787 -> https://reviews.llvm.org/D49555 (rL337674) https://bugs.llvm.org/show_bug.cgi?id=37445 -> https://reviews.llvm.org/D49425 (rL337680) The next two bugs no longer occur, and it's unclear which commit fixed them: https://bugs.llvm.org/show_bug.cgi?id=36635 https://bugs.llvm.org/show_bug.cgi?id=37791 I investigated this one and proved to be unrelated to GVNHoist, but a genuine bug in NewGvn: https://bugs.llvm.org/show_bug.cgi?id=37660 To convince myself GVNHoist is in a good state I made a successful bootstrap build of LLVM. Merging this change now in order to make it to the LLVM 7.0.0 branch. Differential Revision: https://reviews.llvm.org/D49858 llvm-svn: 338240 |
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| CMakeLists.txt | ||
| LLVMBuild.txt | ||
| PassBuilder.cpp | ||
| PassPlugin.cpp | ||
| PassRegistry.def | ||