T0b1/wasmtime
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Disable the LICM pass for now.

Browse Source 
There appear to be underlying problems with the way Cretonne handles value
aliases, which are causing problems for LICM. Disable LICM until we have
a chance to fix the underlying issues.

Fixes #275.
This commit is contained in:
Dan Gohman
2018-03-22 16:55:18 -07:00
parent af8ac8f8ca
commit 9602b78320
1 changed files with 2 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
lib/cretonne/src/context.rs
View File

@@ -92,8 +92,10 @@ impl Context {
self.legalize(isa)?; self.legalize(isa)?;
if isa.flags().opt_level() == OptLevel::Best { if isa.flags().opt_level() == OptLevel::Best {
self.compute_domtree(); self.compute_domtree();
/* TODO: Re-enable LICM.
self.compute_loop_analysis(); self.compute_loop_analysis();
self.licm(isa)?; self.licm(isa)?;
*/
self.simple_gvn(isa)?; self.simple_gvn(isa)?;
} }
self.compute_domtree(); self.compute_domtree();