Displaying 2 results from an estimated 2 matches for "inliningpass".
2010 Jun 25
3
[LLVMdev] Why code doesn't speed up much with optimization level increase?
I run large piece of code in JIT and it runs only marginallty faster
with optimization levels 1,2,3. I think differences are within the
margin or error.
level user time
0 17339ms
1 16913ms
2 16891ms
3 16898ms
Level is set with builder->setOptLevel(olev);
Compilation time is excluded by taking the only top-level function
address before the run
2016 Jul 20
2
load instruction erroneously removed by GVN v2
before inlining
all 20005
after inlining
somewhere here changed made it NoAlias
after Global Variable Optimizer
20014
20373 20255
20372 20254
before GVN
19993
20011 19991
20010 20030
It appears that TBAA metadata certainly changed after inlining and
subsequent passes. I have attached the .bc file. I think I will try to dump
out more TBAA metadata between passes. The method in