commit b6dc09e725bf5782f45917cd92dcac7ab14cfe9c
author Fangrui Song <maskray@google.com> Sat Jun 15 10:09:59 2019
committer Fangrui Song <maskray@google.com> Sat Jun 15 10:09:59 2019
tree 66053b784233fd08621ea24d82e84954f0799486
parent 077f13c612c2e319878f2ce359dad7e9f4fb017e

[BranchProbability] Delete a redundant overflow check

llvm-svn: 363492

llvm/lib/Support/BranchProbability.cpp

diff --git a/llvm/lib/Support/BranchProbability.cpp b/llvm/lib/Support/BranchProbability.cpp
index bb608da..195e2d5 100644
--- a/llvm/lib/Support/BranchProbability.cpp
+++ b/llvm/lib/Support/BranchProbability.cpp
@@ -88,10 +88,6 @@
   // Carry.
   Upper32 += Mid32 < Mid32Partial;
 
-  // Check for overflow.
-  if (Upper32 >= D)
-    return UINT64_MAX;
-
   uint64_t Rem = (uint64_t(Upper32) << 32) | Mid32;
   uint64_t UpperQ = Rem / D;