llvm-6502

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Tom Stellard f518f53f5e Merging r228303:

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r228303 | thomas.stellard | 2015-02-05 10:32:18 -0500 (Thu, 05 Feb 2015) | 11 lines

R600/SI: Fix bug in TTI loop unrolling preferences

We should be setting UnrollingPreferences::MaxCount to MAX_UINT instead
of UnrollingPreferences::Count.

Count is a 'forced unrolling factor', while MaxCount sets an upper
limit to the unrolling factor.

Setting Count to MAX_UINT was causing the loop in the testcase to be
unrolled 15 times, when it only had a maximum of 4 iterations.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_36@228320 91177308-0d34-0410-b5e6-96231b3b80d8

2015-02-05 18:05:18 +00:00

AArch64

Merging r226664:

2015-01-26 23:16:44 +00:00

ARM

Merging r228129:

2015-02-04 17:01:58 +00:00

CPP

…

Generic

CodeGen: do not attempt to invalidate virtual registers for zero-sized phis.

2014-12-19 20:50:07 +00:00