RPCS3/llvm-mirror
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-10-20 19:42:54 +02:00
Code Issues Projects Releases Wiki Activity

Remove useless check.

Browse Source 
Patch by Matthijs Kooijman.

llvm-svn: 51154
This commit is contained in:
Devang Patel 2008-05-15 18:04:29 +00:00
parent d86d86bbdf
commit 66480d1c07
1 changed files with 2 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
lib/Transforms/Scalar/TailDuplication.cpp
View File

@ -109,13 +109,9 @@ bool TailDup::shouldEliminateUnconditionalBranch(TerminatorInst *TI) {
if (!DTI->use_empty())
return false;
// Do not bother working on dead blocks...
pred_iterator PI = pred_begin(Dest), PE = pred_end(Dest);
if (PI == PE && Dest != Dest->getParent()->begin())
return false; // It's just a dead block, ignore it...
// Also, do not bother with blocks with only a single predecessor: simplify
// Do not bother with blocks with only a single predecessor: simplify
// CFG will fold these two blocks together!
pred_iterator PI = pred_begin(Dest), PE = pred_end(Dest);
++PI;
if (PI == PE) return false; // Exactly one predecessor!