[X86] Stop accidentally running the Bonnell LEA fixup path on Goldmont.

In one place we checked X86Subtarget.slowLEA() to decide if the pass should run. But to decide what the pass should we only check isSLM. This resulted in Goldmont going down the Bonnell path.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@338342 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/X86/X86FixupLEAs.cpp

@@ -578,7 +578,7 @@ bool FixupLEAPass::processBasicBlock(MachineFunction &MF,
         continue;
 
     if (OptLEA) {
-      if (MF.getSubtarget<X86Subtarget>().isSLM())
+      if (MF.getSubtarget<X86Subtarget>().slowLEA())
         processInstructionForSLM(I, MFI);
 
       else {

test/CodeGen/X86/atom-fixup-lea2.ll

@@ -1,5 +1,4 @@
 ; RUN: llc < %s -mcpu=atom -mtriple=i686-linux | FileCheck %s
-; RUN: llc < %s -mcpu=goldmont -mtriple=i686-linux | FileCheck %s
 
 ; CHECK:%bb.5
 ; CHECK-NEXT:leal