[x86] Remove the FIXME that was implemented in r214628. Managed to

forget to update the comment here... =/

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@214630 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index eb722da..5ae752c 100644 (file)
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -18945,10 +18945,6 @@ static bool combineX86ShuffleChain(SDValue Op, SDValue Root, ArrayRef<int> Mask,
 /// This should never be an issue in practice as the shuffle lowering doesn't
 /// produce sequences of more than 8 instructions.
 ///
-/// FIXME: Currently, we don't collapse instructions *into* PSHUFB. We should,
-/// and we should do so more aggressively than we form PSHUFB because once we
-/// have a PSHUFB, we might as well do as much shuffling as we can.
-///
 /// FIXME: We will currently miss some cases where the redundant shuffling
 /// would simplify under the threshold for PSHUFB formation because of
 /// combine-ordering. To fix this, we should do the redundant instruction