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6 Commits

Author SHA1 Message Date
Simon Pilgrim dcfa908b51 [llvm-exegesis] Put a newline at the end of each error report. 
Makes multiple error messages much easier to read. 

llvm-svn: 330258
 2018-04-18 13:58:41 +00:00
Simon Pilgrim bc89a781b7 [llvm-exegesis] Fix unused return value warning and add a useful error message for event counter reads. 
llvm-svn: 329496
 2018-04-07 11:37:21 +00:00
Clement Courbet 804997ab28 [llvm-exegesis] Do not initialize FileDescriptor when libpfm is not 
available.

llvm-svn: 329177
 2018-04-04 12:12:38 +00:00
Clement Courbet ac74acdefe Re-land r329156 "Add llvm-exegesis tool." 
Fixed to depend on and initialize the native target instead of X86.

llvm-svn: 329169
 2018-04-04 11:37:06 +00:00
Clement Courbet 7949b3b1dc Revert r329156 "Add llvm-exegesis tool." 
Breaks a bunch of bots.

llvm-svn: 329157
 2018-04-04 08:22:54 +00:00
Clement Courbet 7287b2c1ec Add llvm-exegesis tool. 
Summary:
[llvm-exegesis][RFC] Automatic Measurement of Instruction Latency/Uops

This is the code corresponding to the RFC "llvm-exegesis Automatic Measurement of Instruction Latency/Uops".

The RFC is available on the LLVM mailing lists as well as the following document
for easier reading:
https://docs.google.com/document/d/1QidaJMJUyQdRrFKD66vE1_N55whe0coQ3h1GpFzz27M/edit?usp=sharing

Subscribers: mgorny, gchatelet, orwant, llvm-commits

Differential Revision: https://reviews.llvm.org/D44519

llvm-svn: 329156
 2018-04-04 08:13:32 +00:00