RPCS3/llvm-mirror
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-12-15 07:39:31 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Fix bug: LowerSwitch/2003-08-23-EmptySwitch.ll

Browse Source 
llvm-svn: 8087
This commit is contained in:
Chris Lattner 2003-08-23 22:54:34 +00:00
parent 7d51f90850
commit aa004bbc69
1 changed files with 7 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
lib/Transforms/Scalar/LowerSwitch.cpp
View File

@ -63,6 +63,13 @@ void LowerSwitch::processSwitchInst(SwitchInst *SI) {
// Unlink the switch instruction from it's block.
CurBlock->getInstList().remove(SI);
// If there is only the default destination, don't bother with the code below.
if (SI->getNumOperands() == 2) {
CurBlock->getInstList().push_back(new BranchInst(SI->getDefaultDest()));
delete SI;
return;
}
// Expand comparisons for all of the non-default cases...
for (unsigned i = 2, e = SI->getNumOperands(); i != e; i += 2) {
// Insert a new basic block after the current one...