Merge r342884 into the 7.0 branch: [Mips][FastISel] Fix selectBranch on icmp i1

[atanasyan]

Bugzilla Link	39612
Resolution	FIXED
Resolved on	Nov 12, 2018 21:58
Version	trunk
OS	All
Blocks	#38454
CC	@tstellar
Fixed by commit(s)	r342884 r346741

Extended Description

Please merge the following revision to the 7.0 branch. This patch completes fixes started by the r337288.

https://reviews.llvm.org/rL342884

[tstellar]

Merged: r346741