From 1fc08f5e9ef733ef1ce6f363fecedc2260e78974 Mon Sep 17 00:00:00 2001
From: dim <dim@FreeBSD.org>
Date: Sat, 14 Apr 2012 13:54:10 +0000
Subject: Vendor import of llvm trunk r154661:
 http://llvm.org/svn/llvm-project/llvm/trunk@r154661

---
 include/llvm/Support/MathExtras.h | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'include/llvm/Support/MathExtras.h')

diff --git a/include/llvm/Support/MathExtras.h b/include/llvm/Support/MathExtras.h
index 4627557..d085c94 100644
--- a/include/llvm/Support/MathExtras.h
+++ b/include/llvm/Support/MathExtras.h
@@ -51,6 +51,13 @@ inline bool isInt<32>(int64_t x) {
   return static_cast<int32_t>(x) == x;
 }
 
+/// isShiftedInt<N,S> - Checks if a signed integer is an N bit number shifted
+///                     left by S.
+template<unsigned N, unsigned S>
+inline bool isShiftedInt(int64_t x) {
+  return isInt<N+S>(x) && (x % (1<<S) == 0);
+}
+
 /// isUInt - Checks if an unsigned integer fits into the given bit width.
 template<unsigned N>
 inline bool isUInt(uint64_t x) {
@@ -70,6 +77,13 @@ inline bool isUInt<32>(uint64_t x) {
   return static_cast<uint32_t>(x) == x;
 }
 
+/// isShiftedUInt<N,S> - Checks if a unsigned integer is an N bit number shifted
+///                     left by S.
+template<unsigned N, unsigned S>
+inline bool isShiftedUInt(uint64_t x) {
+  return isUInt<N+S>(x) && (x % (1<<S) == 0);
+}
+
 /// isUIntN - Checks if an unsigned integer fits into the given (dynamic)
 /// bit width.
 inline bool isUIntN(unsigned N, uint64_t x) {
-- 
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