[llvm] r260979 - [X86] Enable the LEA optimization pass by default.

[Andrey Turetskiy via llvm-commits]

Author: aturetsk
Date: Tue Feb 16 10:41:38 2016
New Revision: 260979

URL: http://llvm.org/viewvc/llvm-project?rev=260979&view=rev
Log:
[X86] Enable the LEA optimization pass by default.

Differential Revision: http://reviews.llvm.org/D16877


Modified:
    llvm/trunk/lib/Target/X86/X86OptimizeLEAs.cpp
    llvm/trunk/test/CodeGen/X86/lea-opt-memop-check.ll
    llvm/trunk/test/CodeGen/X86/lea-opt.ll

Modified: llvm/trunk/lib/Target/X86/X86OptimizeLEAs.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86OptimizeLEAs.cpp?rev=260979&r1=260978&r2=260979&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86OptimizeLEAs.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86OptimizeLEAs.cpp Tue Feb 16 10:41:38 2016
@@ -35,9 +35,10 @@ using namespace llvm;
 
 #define DEBUG_TYPE "x86-optimize-LEAs"
 
-static cl::opt<bool> EnableX86LEAOpt("enable-x86-lea-opt", cl::Hidden,
-                                     cl::desc("X86: Enable LEA optimizations."),
-                                     cl::init(false));
+static cl::opt<bool>
+    DisableX86LEAOpt("disable-x86-lea-opt", cl::Hidden,
+                     cl::desc("X86: Disable LEA optimizations."),
+                     cl::init(false));
 
 STATISTIC(NumSubstLEAs, "Number of LEA instruction substitutions");
 STATISTIC(NumRedundantLEAs, "Number of redundant LEA instructions removed");
@@ -573,7 +574,7 @@ bool OptimizeLEAPass::runOnMachineFuncti
   bool Changed = false;
 
   // Perform this optimization only if we care about code size.
-  if (!EnableX86LEAOpt || !MF.getFunction()->optForSize())
+  if (DisableX86LEAOpt || !MF.getFunction()->optForSize())
     return false;
 
   MRI = &MF.getRegInfo();

Modified: llvm/trunk/test/CodeGen/X86/lea-opt-memop-check.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/lea-opt-memop-check.ll?rev=260979&r1=260978&r2=260979&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/lea-opt-memop-check.ll (original)
+++ llvm/trunk/test/CodeGen/X86/lea-opt-memop-check.ll Tue Feb 16 10:41:38 2016
@@ -1,5 +1,5 @@
 ; REQUIRES: asserts
-; RUN: llc < %s -march=x86 -mtriple=i686-pc-win32 -enable-x86-lea-opt | FileCheck %s
+; RUN: llc < %s -march=x86 -mtriple=i686-pc-win32 | FileCheck %s
 
 ; PR26575
 ; Assertion `(Disp->isImm() || Disp->isGlobal()) && (Other.Disp->isImm() || Other.Disp->isGlobal()) && "Address displacement operand is always an immediate or a global"' failed.

Modified: llvm/trunk/test/CodeGen/X86/lea-opt.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/lea-opt.ll?rev=260979&r1=260978&r2=260979&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/lea-opt.ll (original)
+++ llvm/trunk/test/CodeGen/X86/lea-opt.ll Tue Feb 16 10:41:38 2016
@@ -1,4 +1,4 @@
-; RUN: llc < %s -mtriple=x86_64-linux -enable-x86-lea-opt | FileCheck %s
+; RUN: llc < %s -mtriple=x86_64-linux | FileCheck %s
 
 %struct.anon1 = type { i32, i32, i32 }
 %struct.anon2 = type { i32, [32 x i32], i32 }