diff options
| author | Fangrui Song <maskray@google.com> | 2019-06-15 10:09:59 +0000 |
|---|---|---|
| committer | Fangrui Song <maskray@google.com> | 2019-06-15 10:09:59 +0000 |
| commit | b6dc09e725bf5782f45917cd92dcac7ab14cfe9c (patch) | |
| tree | 66053b784233fd08621ea24d82e84954f0799486 /llvm/lib/Support/BranchProbability.cpp | |
| parent | 077f13c612c2e319878f2ce359dad7e9f4fb017e (diff) | |
| download | bcm5719-llvm-b6dc09e725bf5782f45917cd92dcac7ab14cfe9c.tar.gz bcm5719-llvm-b6dc09e725bf5782f45917cd92dcac7ab14cfe9c.zip | |
[BranchProbability] Delete a redundant overflow check
llvm-svn: 363492
Diffstat (limited to 'llvm/lib/Support/BranchProbability.cpp')
| -rw-r--r-- | llvm/lib/Support/BranchProbability.cpp | 4 |
1 files changed, 0 insertions, 4 deletions
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; |
