trivial QoI improvement. On this invalid input:

[oota-llvm.git] / lib / Target / X86 / SSEDomainFix.cpp

diff --git a/lib/Target/X86/SSEDomainFix.cpp b/lib/Target/X86/SSEDomainFix.cpp
index b5892602fb4b208d2eaec2cb86c88b187102617c..13680c592e01b274dbfca95729fa68147ba43598 100644 (file)
--- a/lib/Target/X86/SSEDomainFix.cpp
+++ b/lib/Target/X86/SSEDomainFix.cpp
@@ -115,7 +115,7 @@ class SSEDomainFixPass : public MachineFunctionPass {
   unsigned Distance;
 
 public:
-  SSEDomainFixPass() : MachineFunctionPass(&ID) {}
+  SSEDomainFixPass() : MachineFunctionPass(ID) {}
 
   virtual void getAnalysisUsage(AnalysisUsage &AU) const {
     AU.setPreservesAll();
@@ -155,11 +155,9 @@ char SSEDomainFixPass::ID = 0;
 /// Translate TRI register number to an index into our smaller tables of
 /// interesting registers. Return -1 for boring registers.
 int SSEDomainFixPass::RegIndex(unsigned reg) {
-  // Registers are sorted lexicographically.
-  // We just need them to be consecutive, ordering doesn't matter.
-  assert(X86::XMM9 == X86::XMM0+NumRegs-1 && "Unexpected sort");
+  assert(X86::XMM15 == X86::XMM0+NumRegs-1 && "Unexpected sort");
   reg -= X86::XMM0;
-  return reg < NumRegs ? reg : -1;
+  return reg < NumRegs ? (int) reg : -1;
 }
 
 DomainValue *SSEDomainFixPass::Alloc(int domain) {
@@ -270,7 +268,7 @@ bool SSEDomainFixPass::Merge(DomainValue *A, DomainValue *B) {
 
 void SSEDomainFixPass::enterBasicBlock() {
   // Try to coalesce live-out registers from predecessors.
-  for (MachineBasicBlock::const_livein_iterator i = MBB->livein_begin(),
+  for (MachineBasicBlock::livein_iterator i = MBB->livein_begin(),
          e = MBB->livein_end(); i != e; ++i) {
     int rx = RegIndex(*i);
     if (rx < 0) continue;