Use the cached subtarget from the MachineFunction rather than

doing a lookup on the TargetMachine.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@229995 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/X86CallFrameOptimization.cpp b/lib/Target/X86/X86CallFrameOptimization.cpp
index d6563c2f271239fe37c1e1526e54a1813d7300ee..5e8d37431e1a5dcfae16950bad9b6d22cf2cc9de 100644 (file)
--- a/lib/Target/X86/X86CallFrameOptimization.cpp
+++ b/lib/Target/X86/X86CallFrameOptimization.cpp
@@ -117,7 +117,7 @@ bool X86CallFrameOptimization::isLegal(MachineFunction &MF) {
   // No point in running this in 64-bit mode, since some arguments are
   // passed in-register in all common calling conventions, so the pattern
   // we're looking for will never match.
-  const X86Subtarget &STI = MF.getTarget().getSubtarget<X86Subtarget>();
+  const X86Subtarget &STI = MF.getSubtarget<X86Subtarget>();
   if (STI.is64Bit())
     return false;
 
@@ -402,7 +402,7 @@ bool X86CallFrameOptimization::adjustCallSequence(MachineFunction &MF,
 
       // If PUSHrmm is not slow on this target, try to fold the source of the
       // push into the instruction.
-      const X86Subtarget &ST = MF.getTarget().getSubtarget<X86Subtarget>();
+      const X86Subtarget &ST = MF.getSubtarget<X86Subtarget>();
       bool SlowPUSHrmm = ST.isAtom() || ST.isSLM();
 
       // Check that this is legal to fold. Right now, we're extremely

diff --git a/lib/Target/X86/X86FixupLEAs.cpp b/lib/Target/X86/X86FixupLEAs.cpp
index bc23f9d63cfc3d6303bedbae6d4b6a36f17e717a..b39c5aba30bfafb7d366053db90afb4454a90c73 100644 (file)
--- a/lib/Target/X86/X86FixupLEAs.cpp
+++ b/lib/Target/X86/X86FixupLEAs.cpp
@@ -88,7 +88,6 @@ public:
 
 private:
   MachineFunction *MF;
-  const TargetMachine *TM;
   const X86InstrInfo *TII; // Machine instruction info.
 };
 char FixupLEAPass::ID = 0;
@@ -150,8 +149,7 @@ FunctionPass *llvm::createX86FixupLEAs() { return new FixupLEAPass(); }
 
 bool FixupLEAPass::runOnMachineFunction(MachineFunction &Func) {
   MF = &Func;
-  TM = &Func.getTarget();
-  const X86Subtarget &ST = TM->getSubtarget<X86Subtarget>();
+  const X86Subtarget &ST = Func.getSubtarget<X86Subtarget>();
   if (!ST.LEAusesAG() && !ST.slowLEA())
     return false;
 
@@ -332,7 +330,7 @@ bool FixupLEAPass::processBasicBlock(MachineFunction &MF,
                                      MachineFunction::iterator MFI) {
 
   for (MachineBasicBlock::iterator I = MFI->begin(); I != MFI->end(); ++I) {
-    if (TM->getSubtarget<X86Subtarget>().isSLM())
+    if (MF.getSubtarget<X86Subtarget>().isSLM())
       processInstructionForSLM(I, MFI);
     else
       processInstruction(I, MFI);