[SCCP] Merge two conditions into one. NFCI.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@275593 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Transforms/Scalar/SCCP.cpp b/lib/Transforms/Scalar/SCCP.cpp
index d7a541dbe5c28d99e29150bbe7254ebd008783bc..da700f18cdafbba95376e8d7f5893f44b1a8a125 100644 (file)
--- a/lib/Transforms/Scalar/SCCP.cpp
+++ b/lib/Transforms/Scalar/SCCP.cpp
@@ -1489,9 +1489,7 @@ bool SCCPSolver::ResolvedUndefsIn(Function &F) {
     }
 
     if (SwitchInst *SI = dyn_cast<SwitchInst>(TI)) {
-      if (!SI->getNumCases())
-        continue;
-      if (!getValueState(SI->getCondition()).isUnknown())
+      if (!SI->getNumCases() || !getValueState(SI->getCondition()).isUnknown())
         continue;
 
       // If the input to SCCP is actually switch on undef, fix the undef to