From 394e6d2b9e5f7d0cd1bd4858c5e24d04f61f40f4 Mon Sep 17 00:00:00 2001
From: Eric Christopher <echristo@gmail.com>
Date: Fri, 18 Jul 2014 20:29:02 +0000
Subject: [PATCH] Make non-module passes unconditionally added in the pass
 manager for mips, and early exit if we don't want to do anything because of
 the current subtarget.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@213407 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/Mips/MipsLongBranch.cpp    |  3 ++-
 lib/Target/Mips/MipsTargetMachine.cpp | 20 +++++---------------
 2 files changed, 7 insertions(+), 16 deletions(-)

diff --git a/lib/Target/Mips/MipsLongBranch.cpp b/lib/Target/Mips/MipsLongBranch.cpp
index c6838a37be2..27110b6e870 100644
--- a/lib/Target/Mips/MipsLongBranch.cpp
+++ b/lib/Target/Mips/MipsLongBranch.cpp
@@ -449,7 +449,8 @@ bool MipsLongBranch::runOnMachineFunction(MachineFunction &F) {
   const MipsInstrInfo *TII =
     static_cast<const MipsInstrInfo*>(TM.getInstrInfo());
 
-  if (TM.getSubtarget<MipsSubtarget>().inMips16Mode())
+  const MipsSubtarget &STI = TM.getSubtarget<MipsSubtarget>();
+  if (STI.inMips16Mode() || !STI.enableLongBranchPass())
     return false;
   if ((TM.getRelocationModel() == Reloc::PIC_) &&
       TM.getSubtarget<MipsSubtarget>().isABI_O32() &&
diff --git a/lib/Target/Mips/MipsTargetMachine.cpp b/lib/Target/Mips/MipsTargetMachine.cpp
index 425dbf1d89f..ed0152fdbe5 100644
--- a/lib/Target/Mips/MipsTargetMachine.cpp
+++ b/lib/Target/Mips/MipsTargetMachine.cpp
@@ -124,13 +124,9 @@ void MipsPassConfig::addIRPasses() {
 // Install an instruction selector pass using
 // the ISelDag to gen Mips code.
 bool MipsPassConfig::addInstSelector() {
-  if (getMipsSubtarget().allowMixed16_32()) {
-    addPass(createMipsModuleISelDag(getMipsTargetMachine()));
-    addPass(createMips16ISelDag(getMipsTargetMachine()));
-    addPass(createMipsSEISelDag(getMipsTargetMachine()));
-  } else {
-    addPass(createMipsISelDag(getMipsTargetMachine()));
-  }
+  addPass(createMipsModuleISelDag(getMipsTargetMachine()));
+  addPass(createMips16ISelDag(getMipsTargetMachine()));
+  addPass(createMipsSEISelDag(getMipsTargetMachine()));
   return false;
 }
 
@@ -166,15 +162,9 @@ void MipsTargetMachine::addAnalysisPasses(PassManagerBase &PM) {
 // print out the code after the passes.
 bool MipsPassConfig::addPreEmitPass() {
   MipsTargetMachine &TM = getMipsTargetMachine();
-  const MipsSubtarget &Subtarget = TM.getSubtarget<MipsSubtarget>();
   addPass(createMipsDelaySlotFillerPass(TM));
-
-  if (Subtarget.enableLongBranchPass())
-    addPass(createMipsLongBranchPass(TM));
-  if (Subtarget.inMips16Mode() ||
-      Subtarget.allowMixed16_32())
-    addPass(createMipsConstantIslandPass(TM));
-
+  addPass(createMipsLongBranchPass(TM));
+  addPass(createMipsConstantIslandPass(TM));
   return true;
 }
 
-- 
2.34.1