mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-21 18:29:46 +00:00
[PM] Add a basic doxygen comment for this pass.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226993 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
parent
1928e50d07
commit
0a9ef5f8c2
@ -40,6 +40,12 @@ UnlikelyBranchWeight("unlikely-branch-weight", cl::Hidden, cl::init(4),
|
||||
cl::desc("Weight of the branch unlikely to be taken (default = 4)"));
|
||||
|
||||
namespace {
|
||||
/// \brief Legacy pass for lowering expect intrinsics out of the IR.
|
||||
///
|
||||
/// When this pass is run over a function it uses expect intrinsics which feed
|
||||
/// branches and switches to provide branch weight metadata for those
|
||||
/// terminators. It then removes the expect intrinsics from the IR so the rest
|
||||
/// of the optimizer can ignore them.
|
||||
class LowerExpectIntrinsic : public FunctionPass {
|
||||
|
||||
bool HandleSwitchExpect(SwitchInst *SI);
|
||||
|
Loading…
Reference in New Issue
Block a user