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clang-p2996/llvm/test/CodeGen/SystemZ
Zhan Jun Liau 0df350589f [SystemZ] Recognize RISBG opportunities involving a truncate
Summary:
Recognize RISBG opportunities where the end result is narrower than the
original input - where a truncate separates the shift/and operations.

The motivating case is some code in postgres which looks like:

	srlg	%r2, %r0, 11
	nilh	%r2, 255

Reviewers: uweigand

Author: RolandF

Differential Revision: http://reviews.llvm.org/D21452

llvm-svn: 273433
2016-06-22 16:16:27 +00:00
..
2015-10-10 07:14:24 +00:00
2016-06-10 19:58:10 +00:00