From b6dc09e725bf5782f45917cd92dcac7ab14cfe9c Mon Sep 17 00:00:00 2001 From: Fangrui Song Date: Sat, 15 Jun 2019 10:09:59 +0000 Subject: [BranchProbability] Delete a redundant overflow check llvm-svn: 363492 --- llvm/lib/Support/BranchProbability.cpp | 4 ---- 1 file changed, 4 deletions(-) (limited to 'llvm/lib/Support/BranchProbability.cpp') diff --git a/llvm/lib/Support/BranchProbability.cpp b/llvm/lib/Support/BranchProbability.cpp index bb608da16c1..195e2d58d8e 100644 --- a/llvm/lib/Support/BranchProbability.cpp +++ b/llvm/lib/Support/BranchProbability.cpp @@ -88,10 +88,6 @@ static uint64_t scale(uint64_t Num, uint32_t N, uint32_t D) { // 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; -- cgit v1.2.3