6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-08-07 12:28:24 +00:00
Code Issues Projects Releases Wiki Activity

Move rematerialization out of beta.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35419 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2007-03-28 08:26:40 +00:00
parent 4acf155af3
commit 2005a02f32
1 changed files with 1 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
lib/CodeGen/LiveIntervalAnalysis.cpp
View File

@@ -50,11 +50,6 @@ namespace {
EnableJoining("join-liveintervals", EnableJoining("join-liveintervals",
cl::desc("Coallesce copies (default=true)"), cl::desc("Coallesce copies (default=true)"),
cl::init(true)); cl::init(true));
static cl::opt<bool>
EnableReMat("enable-rematerialization",
cl::desc("Perform trivial re-materialization"),
cl::init(false));
} }
void LiveIntervals::getAnalysisUsage(AnalysisUsage &AU) const { void LiveIntervals::getAnalysisUsage(AnalysisUsage &AU) const {
@@ -436,8 +431,7 @@ void LiveIntervals::handleVirtualRegisterDef(MachineBasicBlock *mbb,
// time we see a vreg. // time we see a vreg.
if (interval.empty()) { if (interval.empty()) {
// Remember if the definition can be rematerialized. // Remember if the definition can be rematerialized.
if (EnableReMat && if (vi.DefInst && tii_->isReMaterializable(vi.DefInst->getOpcode()))
vi.DefInst && tii_->isReMaterializable(vi.DefInst->getOpcode()))
interval.remat = vi.DefInst; interval.remat = vi.DefInst;
// Get the Idx of the defining instructions. // Get the Idx of the defining instructions.