http://llvm.org/bugs/show_bug.cgi?id=2577
Summary: Support __builtin_expect
Product: new-bugs
Version: unspecified
Platform: All
OS/Version: All
Status: NEW
Severity: enhancement
Priority: P2
Component: new bugs
AssignedTo: [EMAIL PROTECTED]
ReportedBy: [EMAIL PROTECTED]
CC: [email protected]
We should use the information provided by the gcc __builtin_expect function.
This involves adding some mechanism for encoding the information in the LLVM IR
(most likely an intrinsic) and updating llvm-gcc and clang to emit this
information.
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