Nigel
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add LCSSA as a requirement for LoopUnswitch, and assert that LoopUnswitch preserves 

LCSSA.

llvm-svn: 28739
This commit is contained in:
Owen Anderson 2006-06-09 18:40:32 +00:00
parent 505adff3f0
commit b1dc1d44f8
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
llvm/lib/Transforms/Scalar/LoopUnswitch.cpp
View File

@ -73,6 +73,8 @@ namespace {
AU.addPreservedID(LoopSimplifyID); AU.addPreservedID(LoopSimplifyID);
AU.addRequired<LoopInfo>(); AU.addRequired<LoopInfo>();
AU.addPreserved<LoopInfo>(); AU.addPreserved<LoopInfo>();
AU.addRequiredID(LCSSAID);
AU.addPreservedID(LCSSAID);
} }
private: private:
@ -199,6 +201,8 @@ bool LoopUnswitch::visitLoop(Loop *L) {
} }
} }
assert(L->isLCSSAForm());
return Changed; return Changed;
} }