Fix preselection/lowerswitches bug

llvm-svn: 9333

diff --git a/llvm/lib/Target/Sparc/SparcInstrInfo.cpp b/llvm/lib/Target/Sparc/SparcInstrInfo.cpp
index 0a3ccc8..2d87231 100644 (file)
--- a/llvm/lib/Target/Sparc/SparcInstrInfo.cpp
+++ b/llvm/lib/Target/Sparc/SparcInstrInfo.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()];