From 4beea6623250516c2f8fe72a1d1f91970510f31c Mon Sep 17 00:00:00 2001 From: Mehdi Amini Date: Wed, 13 Jul 2016 23:39:34 +0000 Subject: [IPRA] Set callee saved registers to none for local function when IPRA is enabled. IPRA try to optimize caller saved register by propagating register usage information from callee to caller so it is beneficial to have caller saved registers compare to callee saved registers when IPRA is enabled. Please find more detailed explanation here https://groups.google.com/d/msg/llvm-dev/XRzGhJ9wtZg/tjAJqb0eEgAJ. This change makes local function do not have any callee preserved register when IPRA is enabled. A simple test case is also added to verify this change. Patch by Vivek Pandya Differential Revision: http://reviews.llvm.org/D21561 llvm-svn: 275347 --- llvm/lib/CodeGen/TargetPassConfig.cpp | 1 - 1 file changed, 1 deletion(-) (limited to 'llvm/lib/CodeGen/TargetPassConfig.cpp') diff --git a/llvm/lib/CodeGen/TargetPassConfig.cpp b/llvm/lib/CodeGen/TargetPassConfig.cpp index 4bdfb0406cc..dccdc52c75a 100644 --- a/llvm/lib/CodeGen/TargetPassConfig.cpp +++ b/llvm/lib/CodeGen/TargetPassConfig.cpp @@ -28,7 +28,6 @@ #include "llvm/IR/LegacyPassManager.h" #include "llvm/IR/Verifier.h" #include "llvm/MC/MCAsmInfo.h" -#include "llvm/Support/CommandLine.h" #include "llvm/Support/Debug.h" #include "llvm/Support/ErrorHandling.h" #include "llvm/Support/raw_ostream.h" -- cgit v1.2.3