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authorStephen Hines <srhines@google.com>2014-07-21 00:45:20 -0700
committerStephen Hines <srhines@google.com>2014-07-21 00:45:20 -0700
commitc6a4f5e819217e1e12c458aed8e7b122e23a3a58 (patch)
tree81b7dd2bb4370a392f31d332a566c903b5744764 /include/llvm/Support/MathExtras.h
parent19c6fbb3e8aaf74093afa08013134b61fa08f245 (diff)
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Update LLVM for rebase to r212749.
Includes a cherry-pick of: r212948 - fixes a small issue with atomic calls Change-Id: Ib97bd980b59f18142a69506400911a6009d9df18
Diffstat (limited to 'include/llvm/Support/MathExtras.h')
-rw-r--r--include/llvm/Support/MathExtras.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/llvm/Support/MathExtras.h b/include/llvm/Support/MathExtras.h
index f1f7b4f..0abba62 100644
--- a/include/llvm/Support/MathExtras.h
+++ b/include/llvm/Support/MathExtras.h
@@ -230,6 +230,9 @@ static const unsigned char BitReverseTable256[256] = {
#define R4(n) R2(n), R2(n + 2 * 16), R2(n + 1 * 16), R2(n + 3 * 16)
#define R6(n) R4(n), R4(n + 2 * 4), R4(n + 1 * 4), R4(n + 3 * 4)
R6(0), R6(2), R6(1), R6(3)
+#undef R2
+#undef R4
+#undef R6
};
/// \brief Reverse the bits in \p Val.
@@ -258,6 +261,12 @@ inline uint32_t Lo_32(uint64_t Value) {
return static_cast<uint32_t>(Value);
}
+/// Make_64 - This functions makes a 64-bit integer from a high / low pair of
+/// 32-bit integers.
+inline uint64_t Make_64(uint32_t High, uint32_t Low) {
+ return ((uint64_t)High << 32) | (uint64_t)Low;
+}
+
/// isInt - Checks if an integer fits into the given bit width.
template<unsigned N>
inline bool isInt(int64_t x) {