From: Devang Patel <dpatel@apple.com>
Date: Thu, 4 Sep 2008 21:03:41 +0000 (+0000)
Subject: If function notes say optimize for size, then adjust alignment.
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=db10033d7c001349e82a496e8d8042c4118a121b;p=oota-llvm.git

If function notes say optimize for size, then adjust alignment.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55794 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.cpp b/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.cpp
index 7c03f9da36c..eb31752ded9 100644
--- a/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.cpp
+++ b/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.cpp
@@ -160,6 +160,8 @@ void X86ATTAsmPrinter::emitFunctionHeader(const MachineFunction &MF) {
   SwitchToTextSection(SectionName.c_str());
 
   unsigned FnAlign = OptimizeForSize ? 1 : 4;
+  if (FnAlign == 4 && (F->getNotes() & FN_NOTE_OptimizeForSize))
+    FnAlign = 1;
   switch (F->getLinkage()) {
   default: assert(0 && "Unknown linkage type!");
   case Function::InternalLinkage:  // Symbols default to internal.
diff --git a/lib/Target/X86/AsmPrinter/X86IntelAsmPrinter.cpp b/lib/Target/X86/AsmPrinter/X86IntelAsmPrinter.cpp
index 1822c1f914a..ba1a164eb00 100644
--- a/lib/Target/X86/AsmPrinter/X86IntelAsmPrinter.cpp
+++ b/lib/Target/X86/AsmPrinter/X86IntelAsmPrinter.cpp
@@ -147,6 +147,8 @@ bool X86IntelAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
   SwitchToTextSection(getSectionForFunction(*F).c_str(), F);
 
   unsigned FnAlign = OptimizeForSize ? 1 : 4;
+  if (FnAlign == 4 && (F->getNotes() & FN_NOTE_OptimizeForSize))
+    FnAlign = 1;
   switch (F->getLinkage()) {
   default: assert(0 && "Unsupported linkage type!");
   case Function::InternalLinkage: