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-rw-r--r--lib/Target/TargetELFWriterInfo.cpp33
1 files changed, 33 insertions, 0 deletions
diff --git a/lib/Target/TargetELFWriterInfo.cpp b/lib/Target/TargetELFWriterInfo.cpp
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+++ b/lib/Target/TargetELFWriterInfo.cpp
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+//===-- lib/Target/TargetELFWriterInfo.cpp - ELF Writer Info --0-*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements the TargetELFWriterInfo class.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Function.h"
+#include "llvm/Target/TargetELFWriterInfo.h"
+#include "llvm/Target/TargetData.h"
+#include "llvm/Target/TargetMachine.h"
+using namespace llvm;
+
+TargetELFWriterInfo::TargetELFWriterInfo(TargetMachine &tm) : TM(tm) {}
+
+TargetELFWriterInfo::~TargetELFWriterInfo() {}
+
+/// getFunctionAlignment - Returns the alignment for function 'F', targets
+/// with different alignment constraints should overload this method
+unsigned TargetELFWriterInfo::getFunctionAlignment(const Function *F) const {
+ const TargetData *TD = TM.getTargetData();
+ unsigned FnAlign = F->getAlignment();
+ unsigned TDAlign = TD->getPointerABIAlignment();
+ unsigned Align = std::max(FnAlign, TDAlign);
+ assert(!(Align & (Align-1)) && "Alignment is not a power of two!");
+ return Align;
+}