Implement some helpers
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13738 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/VMCore/Constants.cpp b/lib/VMCore/Constants.cpp
index 3ed7008..a393be9 100644
--- a/lib/VMCore/Constants.cpp
+++ b/lib/VMCore/Constants.cpp
@@ -372,7 +372,17 @@
return get(Instruction::Shr, C1, C2);
}
+Constant *ConstantExpr::getUShr(Constant *C1, Constant *C2) {
+ if (C1->getType()->isUnsigned()) return getShr(C1, C2);
+ return getCast(getShr(getCast(C1,
+ C1->getType()->getUnsignedVersion()), C2), C1->getType());
+}
+Constant *ConstantExpr::getSShr(Constant *C1, Constant *C2) {
+ if (C1->getType()->isSigned()) return getShr(C1, C2);
+ return getCast(getShr(getCast(C1,
+ C1->getType()->getSignedVersion()), C2), C1->getType());
+}
//===----------------------------------------------------------------------===//