Optimization bisect support in X86-specific passes

Differential Revision: http://reviews.llvm.org/D19439

llvm-svn: 267608

5 files changed, 13 insertions, 3 deletions

diff --git a/llvm/lib/Target/X86/X86FixupBWInsts.cpp b/llvm/lib/Target/X86/X86FixupBWInsts.cpp
index 8b212127881..52037692185 100644
--- a/llvm/lib/Target/X86/X86FixupBWInsts.cpp
+++ b/llvm/lib/Target/X86/X86FixupBWInsts.cpp
@@ -138,7 +138,7 @@ char FixupBWInstPass::ID = 0;
 FunctionPass *llvm::createX86FixupBWInsts() { return new FixupBWInstPass(); }
 
 bool FixupBWInstPass::runOnMachineFunction(MachineFunction &MF) {
-  if (!FixupBWInsts)
+  if (!FixupBWInsts || skipFunction(*MF.getFunction()))
     return false;
 
   this->MF = &MF;
diff --git a/llvm/lib/Target/X86/X86FixupLEAs.cpp b/llvm/lib/Target/X86/X86FixupLEAs.cpp
index dc8f6d5f0bc..5af91de5a11 100644
--- a/llvm/lib/Target/X86/X86FixupLEAs.cpp
+++ b/llvm/lib/Target/X86/X86FixupLEAs.cpp
@@ -162,6 +162,9 @@ FixupLEAPass::postRAConvertToLEA(MachineFunction::iterator &MFI,
 FunctionPass *llvm::createX86FixupLEAs() { return new FixupLEAPass(); }
 
 bool FixupLEAPass::runOnMachineFunction(MachineFunction &Func) {
+  if (skipFunction(*Func.getFunction()))
+    return false;
+
   MF = &Func;
   const X86Subtarget &ST = Func.getSubtarget<X86Subtarget>();
   OptIncDec = !ST.slowIncDec() || Func.getFunction()->optForMinSize();
diff --git a/llvm/lib/Target/X86/X86InstrInfo.cpp b/llvm/lib/Target/X86/X86InstrInfo.cpp
index b0b8c59689e..088188566b3 100644
--- a/llvm/lib/Target/X86/X86InstrInfo.cpp
+++ b/llvm/lib/Target/X86/X86InstrInfo.cpp
@@ -7377,7 +7377,10 @@ namespace {
     LDTLSCleanup() : MachineFunctionPass(ID) {}
 
     bool runOnMachineFunction(MachineFunction &MF) override {
-      X86MachineFunctionInfo* MFI = MF.getInfo<X86MachineFunctionInfo>();
+      if (skipFunction(*MF.getFunction()))
+        return false;
+
+      X86MachineFunctionInfo *MFI = MF.getInfo<X86MachineFunctionInfo>();
       if (MFI->getNumLocalDynamicTLSAccesses() < 2) {
         // No point folding accesses if there isn't at least two.
         return false;
diff --git a/llvm/lib/Target/X86/X86OptimizeLEAs.cpp b/llvm/lib/Target/X86/X86OptimizeLEAs.cpp
index 3c83f5d64dc..2ec9941bc4a 100644
--- a/llvm/lib/Target/X86/X86OptimizeLEAs.cpp
+++ b/llvm/lib/Target/X86/X86OptimizeLEAs.cpp
@@ -616,7 +616,8 @@ bool OptimizeLEAPass::runOnMachineFunction(MachineFunction &MF) {
   bool Changed = false;
 
   // Perform this optimization only if we care about code size.
-  if (DisableX86LEAOpt || !MF.getFunction()->optForSize())
+  if (DisableX86LEAOpt || skipFunction(*MF.getFunction()) ||
+      !MF.getFunction()->optForSize())
     return false;
 
   MRI = &MF.getRegInfo();
diff --git a/llvm/lib/Target/X86/X86PadShortFunction.cpp b/llvm/lib/Target/X86/X86PadShortFunction.cpp
index 96e8b9b274d..18068485876 100644
--- a/llvm/lib/Target/X86/X86PadShortFunction.cpp
+++ b/llvm/lib/Target/X86/X86PadShortFunction.cpp
@@ -98,6 +98,9 @@ FunctionPass *llvm::createX86PadShortFunctions() {
 /// runOnMachineFunction - Loop over all of the basic blocks, inserting
 /// NOOP instructions before early exits.
 bool PadShortFunc::runOnMachineFunction(MachineFunction &MF) {
+  if (skipFunction(*MF.getFunction()))
+    return false;
+
   if (MF.getFunction()->optForSize()) {
     return false;
   }