diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2019-01-19 10:01:25 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2019-01-19 10:01:25 +0000 |
| commit | d8e91e46262bc44006913e6796843909f1ac7bcd (patch) | |
| tree | 7d0c143d9b38190e0fa0180805389da22cd834c5 /lib/CodeGen/VirtRegMap.cpp | |
| parent | b7eb8e35e481a74962664b63dfb09483b200209a (diff) | |
Notes
Diffstat (limited to 'lib/CodeGen/VirtRegMap.cpp')
| -rw-r--r-- | lib/CodeGen/VirtRegMap.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/CodeGen/VirtRegMap.cpp b/lib/CodeGen/VirtRegMap.cpp index 0ead2b8340ab..ed7bef667e77 100644 --- a/lib/CodeGen/VirtRegMap.cpp +++ b/lib/CodeGen/VirtRegMap.cpp @@ -525,7 +525,7 @@ void VirtRegRewriter::rewrite() { // Preserve semantics of sub-register operands. unsigned SubReg = MO.getSubReg(); if (SubReg != 0) { - if (NoSubRegLiveness) { + if (NoSubRegLiveness || !MRI->shouldTrackSubRegLiveness(VirtReg)) { // A virtual register kill refers to the whole register, so we may // have to add implicit killed operands for the super-register. A // partial redef always kills and redefines the super-register. |