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7 Commits

Author SHA1 Message Date
Fangrui Song 32401afd8c [llvm-exegesis] Move namespace exegesis inside llvm:: 
Summary:
This allows simplifying references of llvm::foo with foo when the needs
come in the future.

Reviewers: courbet, gchatelet

Reviewed By: gchatelet

Subscribers: javed.absar, tschuett, llvm-commits

Differential Revision: https://reviews.llvm.org/D53455

llvm-svn: 344922
 2018-10-22 17:10:47 +00:00
Guillaume Chatelet 70ac019efa [llvm-exegesis][NFC] moving code around. 
Summary: Renaming InstructionBuilder into InstructionTemplate and moving code generation tools from MCInstrDescView to CodeTemplate.

Reviewers: courbet

Subscribers: tschuett, llvm-commits

Differential Revision: https://reviews.llvm.org/D52592

llvm-svn: 343188
 2018-09-27 09:23:04 +00:00
Clement Courbet 78b2e73d15 [llvm-exegesis] Allow benchmarking arbitrary code snippets. 
Summary:

This is a step towards fixing PR38048.

Note that right now the measurements are given per instruction. We'll
need to give measurements a per code snippet and update the analysis (PR38731).

Reviewers: gchatelet

Subscribers: tschuett, llvm-commits

Differential Revision: https://reviews.llvm.org/D52041

llvm-svn: 342947
 2018-09-25 07:31:44 +00:00
Guillaume Chatelet c96a97bac7 [llvm-exegesis] Improve Register Setup (roll forward of D51856). 
Summary:
Added function to set a register to a particular value + tests.
Add EFLAGS test, use new setRegTo instead of setRegToConstant.

Reviewers: courbet, javed.absar

Subscribers: llvm-commits, tschuett, mgorny

Differential Revision: https://reviews.llvm.org/D52297

llvm-svn: 342644
 2018-09-20 12:22:18 +00:00
Simon Pilgrim 0242689725 Revert rL342466: [llvm-exegesis] Improve Register Setup. 
rL342465 is breaking the MSVC buildbots, but I need to revert this dependent revision as well.

Summary:
Added function to set a register to a particular value + tests.
Add EFLAGS test, use new setRegTo instead of setRegToConstant.

Reviewers: courbet, javed.absar

Subscribers: mgorny, tschuett, llvm-commits

Differential Revision: https://reviews.llvm.org/D51856

llvm-svn: 342489
 2018-09-18 15:35:49 +00:00
Guillaume Chatelet 937f3fedec [llvm-exegesis] Improve Register Setup. 
Summary:
Added function to set a register to a particular value + tests.
Add EFLAGS test, use new setRegTo instead of setRegToConstant.

Reviewers: courbet, javed.absar

Subscribers: mgorny, tschuett, llvm-commits

Differential Revision: https://reviews.llvm.org/D51856

llvm-svn: 342466
 2018-09-18 11:26:48 +00:00
Clement Courbet d939f6d013 [llvm-exegesis][NFC] Split BenchmarkRunner class 
Summary:
The snippet-generation part goes to the SnippetGenerator class.

This will allow benchmarking arbitrary code (see PR38437).

Reviewers: gchatelet

Subscribers: mgorny, tschuett, llvm-commits

Differential Revision: https://reviews.llvm.org/D51979

llvm-svn: 342117
 2018-09-13 07:40:53 +00:00