6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-07-26 20:26:07 +00:00
Code Issues Projects Releases Wiki Activity

Ignore annotation function calls in cost computation

Browse Source 
The annotation instructions are dropped during codegen and have no
impact on size.  In some cases, the annotations were preventing the
unroller from unrolling a loop because the annotation calls were
pushing the cost over the unrolling threshold.

Differential Revision: http://reviews.llvm.org/D5335



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@218525 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Peixotto
2014-09-26 17:48:40 +00:00
parent a7579ed23f
commit ea468dddfe
2 changed files with 134 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
lib/Analysis/TargetTransformInfo.cpp
View File

@@ -392,6 +392,7 @@ struct NoTTI final : ImmutablePass, TargetTransformInfo {
// FIXME: This is wrong for libc intrinsics.
return TCC_Basic;
case Intrinsic::annotation:
case Intrinsic::assume:
case Intrinsic::dbg_declare:
case Intrinsic::dbg_value: