Commit Graph

15 Commits

Author SHA1 Message Date
Nadav Rotem aa92ea4f12 We are not ready to estimate the cost of integer expansions based on the number of parts. This test is too noisy.
llvm-svn: 170999
2012-12-23 09:11:07 +00:00
Nadav Rotem 6d4fdd6d2c Improve the X86 cost model for loads and stores.
llvm-svn: 170830
2012-12-21 01:33:59 +00:00
Jakub Staszak 338863a546 Reverse order of checking SSE level when calculating compare cost, so we check
AVX2 before AVX.

llvm-svn: 170464
2012-12-18 22:57:56 +00:00
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