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14 Commits

Author SHA1 Message Date
Clement Courbet 7b475f3b41 [llvm-exegesis] Also check latency mode in local lit. 
Summary: This should avoid failing on old CPUs that do not have a cycle counter.

Subscribers: tschuett, llvm-commits

Differential Revision: https://reviews.llvm.org/D55416

llvm-svn: 348740
 2018-12-10 07:29:47 +00:00
Clement Courbet c544838f87 [llvm-exegesis] Correclty handle all X86 memory encoding formats. 
Summary:
Add unit tests to check the support for each supported format to avoid
regressions such as the one in PR36906.

Reviewers: gchatelet

Subscribers: tschuett, lebedev.ri, llvm-commits

Differential Revision: https://reviews.llvm.org/D54144

llvm-svn: 346330
 2018-11-07 16:14:55 +00:00
John Brawn c616a7236c [llvm-exegesis] Fix function return generation so it doesn't return register 0 
When fillMachineFunction generates a return on targets without a return opcode
(such as AArch64) it should pass an empty set of registers as the return
registers, not 0 which means register number zero.

Differential Revision: https://reviews.llvm.org/D53074

llvm-svn: 344139
 2018-10-10 13:03:23 +00:00
Clement Courbet 217ed1ffff [llvm-exegesis][NFC] Test sched class names only in !NDEBUG mode. 
Sched classes have no names in NDEBUG.

llvm-svn: 343755
 2018-10-04 07:07:16 +00:00
Fangrui Song 5fbdce131d [llvm-exegesis] Unbreak analysis-uops-variant.test introduced in D52825 
A `defined(NDEBUG) && !defined(LLVM_ENABLE_DUMP)` build does not call
writeEscaped and there will be no `SBWriteZeroLatency` in the output.

llvm-svn: 343751
 2018-10-04 03:32:47 +00:00
Clement Courbet d5a39553ff [llvm-exegesis] Resolve variant classes in analysis. 
Summary: See PR38884.

Reviewers: gchatelet

Subscribers: tschuett, RKSimon, llvm-commits

Differential Revision: https://reviews.llvm.org/D52825

llvm-svn: 343680
 2018-10-03 11:50:25 +00:00
Clement Courbet 30183093ab [llvm-exegesis] Fix PR39096. 
Summary: The key is now the resource name, not the resource id.

Reviewers: gchatelet

Subscribers: tschuett, RKSimon, llvm-commits

Differential Revision: https://reviews.llvm.org/D52607

llvm-svn: 343208
 2018-09-27 13:26:37 +00:00
Clement Courbet a5720c4e62 [llvm-exgesis][NFC] Do not pollute buildbots with messages when 
the exegesis lit tests cannot run.

llvm-svn: 343110
 2018-09-26 13:58:26 +00:00
Clement Courbet 28d4f85824 [llvm-exegesis] Get rid of debug_string. 
Summary:
THis is a backwards-compatible change (existing files will work as
expected).

See PR39082.

Reviewers: gchatelet

Subscribers: tschuett, llvm-commits

Differential Revision: https://reviews.llvm.org/D52546

llvm-svn: 343108
 2018-09-26 13:35:10 +00:00
Guillaume Chatelet 345fae5d56 [llvm-exegesis] Serializes registers initial values. 
Summary: Adds the registers initial values to the YAML output of llvm-exegesis.

Reviewers: courbet

Subscribers: tschuett, llvm-commits

Differential Revision: https://reviews.llvm.org/D52460

llvm-svn: 342982
 2018-09-25 15:15:54 +00:00
Guillaume Chatelet 6078f82241 [llvm-exegesis] Fix missing document separator in YAML output. 
Reviewers: courbet

Subscribers: tschuett, llvm-commits

Differential Revision: https://reviews.llvm.org/D52496

llvm-svn: 342981
 2018-09-25 14:48:24 +00:00
Clement Courbet 86baebc5fd [llvm-exegesis] Add lit tests (v2). 
Summary: This revisits rL342953 by adding detection of host support.

Reviewers: gchatelet, lebedev.ri, alexshap

Subscribers: mgorny, tschuett, llvm-commits

Differential Revision: https://reviews.llvm.org/D52464

llvm-svn: 342975
 2018-09-25 13:59:35 +00:00
Clement Courbet 6d92c198ac Revert rL342953 "[llvm-exegesis] Add lit tests." 
We also need to make sure that we're on the right subtarget.

llvm-svn: 342955
 2018-09-25 09:36:44 +00:00
Clement Courbet 7f1322dc4d [llvm-exegesis] Add lit tests. 
Summary:
Right now we only have unit tests. This will allow testing the whole
tool. Even though We can't really check actual values, this will avoid
regressions such as PR39055.

Reviewers: gchatelet, alexshap

Subscribers: mgorny, tschuett, llvm-commits

Differential Revision: https://reviews.llvm.org/D52407

llvm-svn: 342953
 2018-09-25 09:27:43 +00:00