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Commit 43b5ce49 authored by Simon Dardis's avatar Simon Dardis
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[mips] Fix compact branch hazard detection 

In certain cases it is possible that transient instructions such as
%reg = IMPLICIT_DEF as a single instruction in a basic block to reach
the MipsHazardSchedule pass. This patch teaches MipsHazardSchedule to
properly look through such cases.

Reviewers: vkalintiris, zoran.jovanovic

Differential Revision: https://reviews.llvm.org/D27209

llvm-svn: 289529
parent 2d9adbf5
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