diff options
| author | Chris Lattner <sabre@nondot.org> | 2002-02-04 00:33:08 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2002-02-04 00:33:08 +0000 |
| commit | 6dd98a6c317404b3b700573e6b3a7b627ba38ff4 (patch) | |
| tree | a945b93466609b77d0b83c3018d5269663e4a103 /lib/CodeGen | |
| parent | 7327d7ee8b730bf7a46c8520a0a59c9344ae5915 (diff) | |
Split RegisterAllocation stuff OUT of Sparc.cpp into a well defined pass
that has a very minimal interface (like it should have).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1667 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen')
| -rw-r--r-- | lib/CodeGen/RegAlloc/PhyRegAlloc.cpp | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/lib/CodeGen/RegAlloc/PhyRegAlloc.cpp b/lib/CodeGen/RegAlloc/PhyRegAlloc.cpp index 61a2019811..6ba63e3051 100644 --- a/lib/CodeGen/RegAlloc/PhyRegAlloc.cpp +++ b/lib/CodeGen/RegAlloc/PhyRegAlloc.cpp @@ -10,6 +10,7 @@ // 9/10/01 - Ruchira Sasanka - created. //**************************************************************************/ +#include "llvm/CodeGen/RegisterAllocation.h" #include "llvm/CodeGen/PhyRegAlloc.h" #include "llvm/CodeGen/MachineInstr.h" #include "llvm/CodeGen/MachineCodeForMethod.h" @@ -23,8 +24,6 @@ using std::cerr; // ***TODO: There are several places we add instructions. Validate the order // of adding these instructions. - - cl::Enum<RegAllocDebugLevel_t> DEBUG_RA("dregalloc", cl::NoFlags, "enable register allocation debugging information", clEnumValN(RA_DEBUG_None , "n", "disable debug output"), @@ -32,6 +31,22 @@ cl::Enum<RegAllocDebugLevel_t> DEBUG_RA("dregalloc", cl::NoFlags, clEnumValN(RA_DEBUG_Verbose, "v", "enable extra debug output"), 0); +bool RegisterAllocation::runOnMethod(Method *M) { + if (DEBUG_RA) + cerr << "\n******************** Method "<< M->getName() + << " ********************\n"; + + MethodLiveVarInfo LVI(M ); // Analyze live varaibles + LVI.analyze(); + + PhyRegAlloc PRA(M, Target, &LVI); // allocate registers + PRA.allocateRegisters(); + + if (DEBUG_RA) cerr << "\nRegister allocation complete!\n"; + return false; +} + + //---------------------------------------------------------------------------- // Constructor: Init local composite objects and create register classes. //---------------------------------------------------------------------------- |