don't create the post-ra scheduler unless it is enabled.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45972 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2008-01-14 19:00:06 +00:00
parent a6c3f80d97
commit 459525df1e
2 changed files with 8 additions and 17 deletions

View File

@ -41,6 +41,12 @@ PerformLICM("machine-licm",
cl::init(false), cl::Hidden,
cl::desc("Perform loop-invariant code motion on machine code"));
// When this works it will be on by default.
static cl::opt<bool>
DisablePostRAScheduler("disable-post-RA-scheduler",
cl::desc("Disable scheduling after register allocation"),
cl::init(true));
FileModel::Model
LLVMTargetMachine::addPassesToEmitFile(FunctionPassManager &PM,
std::ostream &Out,
@ -103,7 +109,7 @@ LLVMTargetMachine::addPassesToEmitFile(FunctionPassManager &PM,
PM.add(createPrologEpilogCodeInserter());
// Second pass scheduler.
if (!Fast)
if (!Fast && !DisablePostRAScheduler)
PM.add(createPostRAScheduler());
// Branch folding must be run after regalloc and prolog/epilog insertion.