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412 Commits

Author SHA1 Message Date
Nadav Rotem 0a471ea66c Cost Model: change the default cost of control flow instructions (br / ret / ...) to zero. 
llvm-svn: 169423
 2012-12-05 21:21:26 +00:00
Nadav Rotem f036ca466e CostModel: add another known vector trunc optimization. 
llvm-svn: 167488
 2012-11-06 21:17:17 +00:00
Nadav Rotem 0914f0b262 Cost Model: add tables for some avx type-conversion hacks. 
llvm-svn: 167480
 2012-11-06 19:33:53 +00:00
Nadav Rotem c378a8067d CostModel: Add tables for the common x86 compares. 
llvm-svn: 167421
 2012-11-05 23:48:20 +00:00
Nadav Rotem ae79765676 Code Model: Improve the accuracy of the zext/sext/trunc vector cost estimation. 
llvm-svn: 167412
 2012-11-05 22:20:53 +00:00
Nadav Rotem 856ffa6677 Cost Model: Normalize the insert/extract index when splitting types 
llvm-svn: 167402
 2012-11-05 21:12:13 +00:00
Nadav Rotem 020be9dc29 Cost Model: teach the cost model about expanding integers. 
llvm-svn: 167401
 2012-11-05 21:11:10 +00:00
Nadav Rotem 7411623fd8 Implement the cost of abnormal x86 instruction lowering as a table. 
llvm-svn: 167395
 2012-11-05 19:32:46 +00:00
Nadav Rotem c2345cbe73 X86 CostModel: Add support for a some of the common arithmetic instructions for SSE4, AVX and AVX2. 
llvm-svn: 167347
 2012-11-03 00:39:56 +00:00
Nadav Rotem 23848f8f1d Add a stub for the x86 cost model impl. Implement a basic cost rule for inserting/extracting from XMM registers. 
llvm-svn: 167333
 2012-11-02 23:27:16 +00:00
Nadav Rotem 13da94734c CostModel: add support for Vector Insert and Extract. 
llvm-svn: 167329
 2012-11-02 22:31:56 +00:00
Nadav Rotem a6b91ac307 Add a cost model analysis that allows us to estimate the cost of IR-level instructions. 
llvm-svn: 167324
 2012-11-02 21:48:17 +00:00