diff options
| author | Sjoerd Meijer <sjoerd.meijer@arm.com> | 2020-01-06 09:56:02 +0000 |
|---|---|---|
| committer | Sjoerd Meijer <sjoerd.meijer@arm.com> | 2020-01-06 09:56:02 +0000 |
| commit | 0efc9e5a8cc12b9cb30adf2a3dbb14ffbc60e338 (patch) | |
| tree | 351bf5fc3310a42fb50baf6e5a150590dafb740b /llvm/lib/Target/ARM/ARMLowOverheadLoops.cpp | |
| parent | 5173bfcbc4873fa12d14de0a0a4e6ac9ce960b5e (diff) | |
| download | bcm5719-llvm-0efc9e5a8cc12b9cb30adf2a3dbb14ffbc60e338.tar.gz bcm5719-llvm-0efc9e5a8cc12b9cb30adf2a3dbb14ffbc60e338.zip | |
[ARM][MVE] More MVETailPredication debug messages. NFC.
I've added a few more debug messages to MVETailPredication because I wanted to
trace better which instructions are added/removed. And while I was at it, I
factored out one function which I thought was clearer, and have added some
comments to describe better the flow between MVETailPredication and
ARMLowOverheadLoops.
Differential Revision: https://reviews.llvm.org/D71549
Diffstat (limited to 'llvm/lib/Target/ARM/ARMLowOverheadLoops.cpp')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMLowOverheadLoops.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/Target/ARM/ARMLowOverheadLoops.cpp b/llvm/lib/Target/ARM/ARMLowOverheadLoops.cpp index 136f7d7e8de..31a98d86a54 100644 --- a/llvm/lib/Target/ARM/ARMLowOverheadLoops.cpp +++ b/llvm/lib/Target/ARM/ARMLowOverheadLoops.cpp @@ -15,6 +15,10 @@ /// - t2LoopDec - placed within in the loop body. /// - t2LoopEnd - the loop latch terminator. /// +/// In addition to this, we also look for the presence of the VCTP instruction, +/// which determines whether we can generated the tail-predicated low-overhead +/// loop form. +/// //===----------------------------------------------------------------------===// #include "ARM.h" |
