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| author | evgeny <eleviant@accesssoftek.com> | 2020-01-15 19:29:01 +0300 |
|---|---|---|
| committer | evgeny <eleviant@accesssoftek.com> | 2020-01-15 19:29:01 +0300 |
| commit | 10cadee5ce86e80d7486855199d329951f38af01 (patch) | |
| tree | 9af9164ab50e8b7cee108cbe50f0473e9b1fd09c /llvm/lib/Bitcode/Writer/BitcodeWriter.cpp | |
| parent | 3f3017e162ec4208399dcf633c99bdac788c06fd (diff) | |
| download | llvm-10cadee5ce86e80d7486855199d329951f38af01.zip llvm-10cadee5ce86e80d7486855199d329951f38af01.tar.gz llvm-10cadee5ce86e80d7486855199d329951f38af01.tar.bz2 | |
[ThinLTO] Always import constants
This patch imports constant variables even when they can't be internalized
(which results in promotion). This offers some extra constant folding
opportunities.
Differential revision: https://reviews.llvm.org/D70404
Diffstat (limited to 'llvm/lib/Bitcode/Writer/BitcodeWriter.cpp')
| -rw-r--r-- | llvm/lib/Bitcode/Writer/BitcodeWriter.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp index dcff7c4..ef92bc2 100644 --- a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp +++ b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp @@ -1028,7 +1028,8 @@ static uint64_t getEncodedGVSummaryFlags(GlobalValueSummary::GVFlags Flags) { } static uint64_t getEncodedGVarFlags(GlobalVarSummary::GVarFlags Flags) { - uint64_t RawFlags = Flags.MaybeReadOnly | (Flags.MaybeWriteOnly << 1); + uint64_t RawFlags = + Flags.MaybeReadOnly | (Flags.MaybeWriteOnly << 1) | (Flags.Constant << 2); return RawFlags; } |