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| author | Stanislav Mekhanoshin <Stanislav.Mekhanoshin@amd.com> | 2017-02-23 20:19:44 +0000 |
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| committer | Stanislav Mekhanoshin <Stanislav.Mekhanoshin@amd.com> | 2017-02-23 20:19:44 +0000 |
| commit | ce3ddd2de4c5dbd5a7a68b51ea38f96cf7fbf3aa (patch) | |
| tree | 05d2e6754a3580a96a723b01dcd89dcf58eec2bb /llvm/lib/CodeGen/MachineInstr.cpp | |
| parent | 851125dca903fdaa458d87fb0a35349286a2395f (diff) | |
| download | bcm5719-llvm-ce3ddd2de4c5dbd5a7a68b51ea38f96cf7fbf3aa.tar.gz bcm5719-llvm-ce3ddd2de4c5dbd5a7a68b51ea38f96cf7fbf3aa.zip | |
Correct register pressure calculation in presence of subregs
If a subreg is used in an instruction it counts as a whole superreg
for the purpose of register pressure calculation. This patch corrects
improper register pressure calculation by examining operand's lane mask.
Differential Revision: https://reviews.llvm.org/D29835
llvm-svn: 296009
Diffstat (limited to 'llvm/lib/CodeGen/MachineInstr.cpp')
0 files changed, 0 insertions, 0 deletions
