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Author SHA1 Message Date
Daniel Sanders 0d97270ae5 [mips] Use --check-prefixes where appropriate. NFC. 
llvm-svn: 273669
 2016-06-24 12:23:17 +00:00
Vasileios Kalintiris 18581f16b4 [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
 2015-02-27 09:01:39 +00:00