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* [mips] Use --check-prefixes where appropriate. NFC.Daniel Sanders2016-06-241-12/+6
| | | | llvm-svn: 273669
* [mips] Account for constant-zero operands in ADDE nodes.Vasileios Kalintiris2015-02-271-0/+35
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
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