From 6b4326367ad95c39d83236cd30fb3e734f865157 Mon Sep 17 00:00:00 2001
From: Chad Rosier <mcrosier@codeaurora.org>
Date: Tue, 29 Dec 2015 18:18:07 +0000
Subject: Add command line options to force function/loop alignments.

These are being added for testing purposes.
http://reviews.llvm.org/D15648

llvm-svn: 256571
---
 llvm/lib/CodeGen/MachineFunction.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'llvm/lib/CodeGen/MachineFunction.cpp')

diff --git a/llvm/lib/CodeGen/MachineFunction.cpp b/llvm/lib/CodeGen/MachineFunction.cpp
index 80d30a5..ca4bb1c 100644
--- a/llvm/lib/CodeGen/MachineFunction.cpp
+++ b/llvm/lib/CodeGen/MachineFunction.cpp
@@ -47,6 +47,11 @@ using namespace llvm;
 
 #define DEBUG_TYPE "codegen"
 
+static cl::opt<unsigned>
+    AlignAllFunctions("align-all-functions",
+                      cl::desc("Force the alignment of all functions."),
+                      cl::init(0), cl::Hidden);
+
 void MachineFunctionInitializer::anchor() {}
 
 //===----------------------------------------------------------------------===//
@@ -87,6 +92,9 @@ MachineFunction::MachineFunction(const Function *F, const TargetMachine &TM,
     Alignment = std::max(Alignment,
                          STI->getTargetLowering()->getPrefFunctionAlignment());
 
+  if (AlignAllFunctions)
+    Alignment = AlignAllFunctions;
+
   FunctionNumber = FunctionNum;
   JumpTableInfo = nullptr;
 
-- 
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