RPCS3/llvm-mirror
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-12-28 22:43:29 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Reverse branch condition only when there is a conditional branch.

Browse Source 
llvm-svn: 71214
This commit is contained in:
Evan Cheng 2009-05-08 09:35:53 +00:00
parent a8f179d44b
commit 10038ab095
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
lib/CodeGen/CodePlacementOpt.cpp
View File

@ -211,7 +211,8 @@ bool CodePlacementOpt::OptimizeIntraLoopEdges() {
} else if (!FBB && SSMBB == TBB && Cond.empty()) {
TBB = 0;
--Cost;
} else if (!TII->ReverseBranchCondition(Cond)) {
} else if (!Cond.empty() && !TII->ReverseBranchCondition(Cond)) {
assert(SSMBB == TBB);
TBB = FBB;
FBB = 0;
--Cost;