[LTO] Ignore unreachable virtual functions in WPD in hybrid LTO.

Differential Revision: https://reviews.llvm.org/D115492
2021-12-10 05:39:55 +00:00
parent 1695dd1752
commit 09a704c5ef
21 changed files with 452 additions and 40 deletions
--- a/llvm/lib/Bitcode/Reader/BitcodeReader.cpp
+++ b/llvm/lib/Bitcode/Reader/BitcodeReader.cpp
@@ -932,6 +932,7 @@ static FunctionSummary::FFlags getDecodedFFlags(uint64_t RawFlags) {
  Flags.NoUnwind = (RawFlags >> 6) & 0x1;
  Flags.MayThrow = (RawFlags >> 7) & 0x1;
  Flags.HasUnknownCall = (RawFlags >> 8) & 0x1;
+  Flags.MustBeUnreachable = (RawFlags >> 9) & 0x1;
  return Flags;
 }