[llvm-bugs] [Bug 38622] New: [x86] LLVM no longer generates efficient multiply lowering of divide by constant
via llvm-bugs
llvm-bugs at lists.llvm.org
Fri Aug 17 17:35:23 PDT 2018
https://bugs.llvm.org/show_bug.cgi?id=38622
Bug ID: 38622
Summary: [x86] LLVM no longer generates efficient multiply
lowering of divide by constant
Product: libraries
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: Backend: X86
Assignee: unassignedbugs at nondot.org
Reporter: chandlerc at gmail.com
CC: craig.topper at gmail.com, llvm-bugs at lists.llvm.org
https://godbolt.org/g/Y5K2ER
LLVM 6 did the right thing here, trunk appears not to.
Reporting this for Jorg Brown who doesn't yet have an account on bugzilla...
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