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-rw-r--r--llvm/lib/Support/KnownBits.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/Support/KnownBits.cpp b/llvm/lib/Support/KnownBits.cpp
index 1a5f1ad..13d79a38 100644
--- a/llvm/lib/Support/KnownBits.cpp
+++ b/llvm/lib/Support/KnownBits.cpp
@@ -839,6 +839,8 @@ KnownBits KnownBits::udiv(const KnownBits &LHS, const KnownBits &RHS,
Known.Zero.setBit(0);
// Odd / Even -> impossible
// Even / Even -> unknown
+ if (Known.hasConflict())
+ Known.setAllZero();
}
return Known;