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Diffstat (limited to 'llvm/lib/Bitcode/Writer/BitcodeWriter.cpp')
-rw-r--r--llvm/lib/Bitcode/Writer/BitcodeWriter.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
index 2a921a7..5c13738 100644
--- a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
+++ b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
@@ -2425,6 +2425,8 @@ void ModuleBitcodeWriter::writeConstants(unsigned FirstVal, unsigned LastVal,
unsigned AbbrevToUse = 0;
if (C->isNullValue()) {
Code = bitc::CST_CODE_NULL;
+ } else if (isa<PoisonValue>(C)) {
+ Code = bitc::CST_CODE_POISON;
} else if (isa<UndefValue>(C)) {
Code = bitc::CST_CODE_UNDEF;
} else if (const ConstantInt *IV = dyn_cast<ConstantInt>(C)) {