Arnold Schwaighofer f4775827d0 LoopVectorizer: Perform redundancy elimination on induction variables ... When the loop vectorizer was part of the SCC inliner pass manager gvn would run after the loop vectorizer followed by instcombine. This way redundancy (multiple uses) were removed and instcombine could perform scalarization on the induction variables. Having moved the loop vectorizer to later we no longer run any form of redundancy elimination before we perform instcombine. This caused vectorized induction variables to survive that did not before. On a recent iMac this helps linpack back from 6000Mflops to 7000Mflops. This should also help lpbench and paq8p. I ran a Release (without Asserts) build over the test-suite and did not see any negative impact on compile time. radar://15339680 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193891 91177308-0d34-0410-b5e6-96231b3b80d8		2013-11-01 22:18:19 +00:00
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Hello	First check in. Modified a comment.	2013-09-27 07:36:10 +00:00
InstCombine	Remove x86_sse42_crc32_64_8 intrinsic. It has no functional difference from x86_sse42_crc32_32_8 and was not mapped to a clang builtin. I'm not even sure why this form of the instruction is even called out explicitly in the docs. Also add AutoUpgrade support to convert it into the other intrinsic with appropriate trunc and zext.	2013-10-15 05:20:47 +00:00
Instrumentation	fix PR17635: false positive with packed structures	2013-10-24 09:17:24 +00:00
IPO	Use LTO_SYMBOL_SCOPE_DEFAULT_CAN_BE_HIDDEN instead of the "dso list".	2013-10-31 20:51:58 +00:00
ObjCARC	Revert "Give internal classes hidden visibility."	2013-09-11 18:05:11 +00:00
Scalar	Teach scalarrepl about address spaces	2013-10-30 22:54:58 +00:00
Utils	Do not convert "call asm" to "invoke asm" in Inliner.	2013-10-31 21:56:03 +00:00
Vectorize	LoopVectorizer: Perform redundancy elimination on induction variables	2013-11-01 22:18:19 +00:00
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