From 033ff38411ffb429fad9d99295c71908eacb4b41 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Wed, 31 Dec 2008 08:41:38 +0000 Subject: [PATCH] Add a new Attribute::getAlignmentFromAttrs method. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61517 91177308-0d34-0410-b5e6-96231b3b80d8 --- include/llvm/Attributes.h | 16 +++++++++++----- 1 file changed, 11 insertions(+), 5 deletions(-) diff --git a/include/llvm/Attributes.h b/include/llvm/Attributes.h index ab093788f7a..972dbfa518d 100644 --- a/include/llvm/Attributes.h +++ b/include/llvm/Attributes.h @@ -88,6 +88,16 @@ inline Attributes constructAlignmentFromInt(unsigned i) { return (Log2_32(i)+1) << 16; } +/// This returns the alignment field of an attribute as a byte alignment value. +inline unsigned getAlignmentFromAttrs(Attributes A) { + Attributes Align = A & Attribute::Alignment; + if (Align == 0) + return 0; + + return 1U << ((Align >> 16) - 1); +} + + /// The set of Attributes set in Attributes is converted to a /// string of equivalent mnemonics. This is, presumably, for writing out /// the mnemonics for the assembly writer. @@ -184,11 +194,7 @@ public: /// getParamAlignment - Return the alignment for the specified function /// parameter. unsigned getParamAlignment(unsigned Idx) const { - Attributes Align = getAttributes(Idx) & Attribute::Alignment; - if (Align == 0) - return 0; - - return 1ull << ((Align >> 16) - 1); + return Attribute::getAlignmentFromAttrs(getAttributes(Idx)); } /// hasAttrSomewhere - Return true if the specified attribute is set for at