6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-07-30 17:25:21 +00:00
Code Issues Projects Releases Wiki Activity

Move replaceCongruentIVs into SCEVExapander and bias toward "expanded"

Browse Source 
IVs.

Indvars previously chose randomly between congruent IVs. Now it will
bias the decision toward IVs that SCEVExpander likes to create. This
was not done to fix any problem, it's just a welcome side effect of
factoring code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141633 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Andrew Trick
2011-10-11 02:28:51 +00:00
parent b58078be33
commit 204494149b
4 changed files with 129 additions and 88 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
test/Transforms/IndVarSimplify/no-iv-rewrite.ll
View File

@@ -281,6 +281,7 @@ return:
; CHECK-NOT: phi
; CHECK: add i32
; CHECK: add i32
; CHECK: add i32
; CHECK-NOT: add
; CHECK: return:
;