Remove unneeded conditionals - the code is already conditional on the same condition

llvm-svn: 305226
diff --git a/llvm/tools/llvm-stress/llvm-stress.cpp b/llvm/tools/llvm-stress/llvm-stress.cpp
index 9696dec..0ed7adb 100644
--- a/llvm/tools/llvm-stress/llvm-stress.cpp
+++ b/llvm/tools/llvm-stress/llvm-stress.cpp
@@ -405,17 +405,15 @@
 
     if (Ty->isIntegerTy()) {
       switch (Ran->Rand() % 7) {
-      case 0: if (Ty->isIntegerTy())
-                return PT->push_back(ConstantInt::get(Ty,
-                  APInt::getAllOnesValue(Ty->getPrimitiveSizeInBits())));
-              llvm_unreachable("Unexpected state");
-      case 1: if (Ty->isIntegerTy())
-                return PT->push_back(ConstantInt::get(Ty,
-                  APInt::getNullValue(Ty->getPrimitiveSizeInBits())));
-              llvm_unreachable("Unexpected state");
+      case 0:
+        return PT->push_back(ConstantInt::get(
+            Ty, APInt::getAllOnesValue(Ty->getPrimitiveSizeInBits())));
+      case 1:
+        return PT->push_back(ConstantInt::get(
+            Ty, APInt::getNullValue(Ty->getPrimitiveSizeInBits())));
       case 2: case 3: case 4: case 5:
-      case 6: if (Ty->isIntegerTy())
-                PT->push_back(ConstantInt::get(Ty, Ran->Rand()));
+      case 6:
+        PT->push_back(ConstantInt::get(Ty, Ran->Rand()));
       }
     }