[llvm-commits] CVS: llvm/lib/Target/X86/X86TargetMachine.cpp

[Alkis Evlogimenos]

Changes in directory llvm/lib/Target/X86:

X86TargetMachine.cpp updated: 1.27 -> 1.28

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Log message:

Change llc command line for register allocators

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Diffs of the changes:

Index: llvm/lib/Target/X86/X86TargetMachine.cpp
diff -u llvm/lib/Target/X86/X86TargetMachine.cpp:1.27 llvm/lib/Target/X86/X86TargetMachine.cpp:1.28
--- llvm/lib/Target/X86/X86TargetMachine.cpp:1.27	Wed Oct  1 14:40:13 2003
+++ llvm/lib/Target/X86/X86TargetMachine.cpp	Thu Oct  2 01:13:19 2003
@@ -16,8 +16,15 @@
 #include "Support/Statistic.h"
 
 namespace {
-  cl::opt<bool> NoLocalRA("disable-local-ra",
-                          cl::desc("Use Simple RA instead of Local RegAlloc"));
+  cl::opt<RegAllocName>
+  RegAlloc("regalloc",
+           cl::desc("Register allocator to use: (default = simple)"),
+           cl::Prefix,
+           cl::values(clEnumVal(simple, "  simple register allocator"),
+                      clEnumVal(local,  "  local register allocator"),
+                      0),
+           cl::init(local));
+
   cl::opt<bool> PrintCode("print-machineinstrs",
 			  cl::desc("Print generated machine code"));
   cl::opt<bool> NoPatternISel("disable-pattern-isel", cl::init(true),
@@ -66,10 +73,16 @@
     PM.add(createMachineFunctionPrinterPass());
 
   // Perform register allocation to convert to a concrete x86 representation
-  if (NoLocalRA)
+  switch (RegAlloc) {
+  case simple:
     PM.add(createSimpleRegisterAllocator());
-  else
+    break;
+  case local:
     PM.add(createLocalRegisterAllocator());
+    break;
+  default:
+    assert(0 && "no register allocator selected");
+  }
 
   if (PrintCode)
     PM.add(createMachineFunctionPrinterPass());
@@ -113,10 +126,16 @@
     PM.add(createMachineFunctionPrinterPass());
 
   // Perform register allocation to convert to a concrete x86 representation
-  if (NoLocalRA)
+  switch (RegAlloc) {
+  case simple:
     PM.add(createSimpleRegisterAllocator());
-  else
+    break;
+  case local:
     PM.add(createLocalRegisterAllocator());
+    break;
+  default:
+    assert(0 && "no register allocator selected");
+  }
 
   if (PrintCode)
     PM.add(createMachineFunctionPrinterPass());