Fix preselection/lowerswitches bug

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9333 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/SparcV9/SparcV9InstrInfo.cpp b/lib/Target/SparcV9/SparcV9InstrInfo.cpp
index 0a3ccc84e837b88dced8a126bc00cb24afb9801c..2d872314e9a3a6c018b1c1e52b7abb204f0e976a 100644 (file)
--- a/lib/Target/SparcV9/SparcV9InstrInfo.cpp
+++ b/lib/Target/SparcV9/SparcV9InstrInfo.cpp
@@ -431,6 +431,9 @@ UltraSparcInstrInfo::ConstantMayNotFitInImmedField(const Constant* CV,
   if (isa<ConstantPointerNull>(CV))               // can always use %g0
     return false;
 
+  if (isa<SwitchInst>(I)) // Switch instructions will be lowered!
+    return false;
+
   if (const ConstantInt* CI = dyn_cast<ConstantInt>(CV))
     return labs((int64_t)CI->getRawValue()) > MaxConstantsTable[I->getOpcode()];