From fd617d0143a158bc1c996445262d409280e7b0cc Mon Sep 17 00:00:00 2001 From: Duncan Sands Date: Fri, 9 Nov 2007 13:41:39 +0000 Subject: Move MinAlign to MathExtras.h. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43944 91177308-0d34-0410-b5e6-96231b3b80d8 --- include/llvm/Support/MathExtras.h | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'include/llvm/Support/MathExtras.h') diff --git a/include/llvm/Support/MathExtras.h b/include/llvm/Support/MathExtras.h index 88a110395d..3955735d0b 100644 --- a/include/llvm/Support/MathExtras.h +++ b/include/llvm/Support/MathExtras.h @@ -358,6 +358,13 @@ int IsNAN(double d); int IsInf(float f); int IsInf(double d); +/// MinAlign - A and B are either alignments or offsets. Return the minimum +/// alignment that may be assumed after adding the two together. +static inline unsigned MinAlign(unsigned A, unsigned B) { + // The largest power of 2 that divides both A and B. + return (A | B) & -(A | B); +} + } // End llvm namespace #endif -- cgit v1.2.3