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| author | Vasileios Kalintiris <Vasileios.Kalintiris@imgtec.com> | 2015-02-27 09:01:39 +0000 |
|---|---|---|
| committer | Vasileios Kalintiris <Vasileios.Kalintiris@imgtec.com> | 2015-02-27 09:01:39 +0000 |
| commit | 18581f16b45896c04ba6dfa44559ccc0cc5226e7 (patch) | |
| tree | b81bb6ffe9f205ba5934fe50819b3e10d82dce27 /llvm/lib/Target/X86/X86ISelLowering.cpp | |
| parent | 308062bd0dae3f25463a36d4208267422cc083da (diff) | |
| download | bcm5719-llvm-18581f16b45896c04ba6dfa44559ccc0cc5226e7.tar.gz bcm5719-llvm-18581f16b45896c04ba6dfa44559ccc0cc5226e7.zip | |
[mips] Account for constant-zero operands in ADDE nodes.
Summary:
We identify the cases where the operand to an ADDE node is a constant
zero. In such cases, we can avoid generating an extra ADDu instruction
disguised as an identity move alias (ie. addu $r, $r, 0 --> move $r, $r).
Reviewers: dsanders
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D7906
llvm-svn: 230742
Diffstat (limited to 'llvm/lib/Target/X86/X86ISelLowering.cpp')
0 files changed, 0 insertions, 0 deletions
