commit 599a87aca0194edb46f0bee141c3de8281bf22b9
author Dan Gohman <gohman@apple.com> Fri Oct 09 21:02:10 2009 +0000
committer Dan Gohman <gohman@apple.com> Fri Oct 09 21:02:10 2009 +0000
tree 93f52d6527cc59b28dfa0cef1773c29e074cf5c9
parent 11596ed43c5eb3b8a49f563abdbdb7ea54fec991

isTriviallyReMaterializable checks the
TargetInstrDesc::isRematerializable flag, so it isn't necessary to do
this check in its callers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83671 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/LiveIntervalAnalysis.cpp

diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp
index 4fa172f..135cc17 100644
--- a/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -1423,8 +1423,7 @@
   // If the target-specific rules don't identify an instruction as
   // being trivially rematerializable, use some target-independent
   // rules.
-  if (!MI->getDesc().isRematerializable() ||
-      !tii_->isTriviallyReMaterializable(MI)) {
+  if (!tii_->isTriviallyReMaterializable(MI)) {
     if (!EnableAggressiveRemat)
       return false;
 

lib/CodeGen/MachineInstr.cpp

diff --git a/lib/CodeGen/MachineInstr.cpp b/lib/CodeGen/MachineInstr.cpp
index 2dc99f5..c4a9971 100644
--- a/lib/CodeGen/MachineInstr.cpp
+++ b/lib/CodeGen/MachineInstr.cpp
@@ -960,8 +960,7 @@
 bool MachineInstr::isSafeToReMat(const TargetInstrInfo *TII,
                                  unsigned DstReg) const {
   bool SawStore = false;
-  if (!getDesc().isRematerializable() ||
-      !TII->isTriviallyReMaterializable(this) ||
+  if (!TII->isTriviallyReMaterializable(this) ||
       !isSafeToMove(TII, SawStore))
     return false;
   for (unsigned i = 0, e = getNumOperands(); i != e; ++i) {

lib/CodeGen/MachineLICM.cpp

diff --git a/lib/CodeGen/MachineLICM.cpp b/lib/CodeGen/MachineLICM.cpp
index 5e2d39e..5612899 100644
--- a/lib/CodeGen/MachineLICM.cpp
+++ b/lib/CodeGen/MachineLICM.cpp
@@ -322,7 +322,7 @@
   // FIXME: For now, only hoist re-materilizable instructions. LICM will
   // increase register pressure. We want to make sure it doesn't increase
   // spilling.
-  if (!TID.isRematerializable() || !TII->isTriviallyReMaterializable(&MI))
+  if (!TII->isTriviallyReMaterializable(&MI))
     return false;
 
   // If result(s) of this instruction is used by PHIs, then don't hoist it.

lib/CodeGen/SimpleRegisterCoalescing.cpp

diff --git a/lib/CodeGen/SimpleRegisterCoalescing.cpp b/lib/CodeGen/SimpleRegisterCoalescing.cpp
index af3d60d..21bf5ea 100644
--- a/lib/CodeGen/SimpleRegisterCoalescing.cpp
+++ b/lib/CodeGen/SimpleRegisterCoalescing.cpp
@@ -646,8 +646,7 @@
   const TargetInstrDesc &TID = DefMI->getDesc();
   if (!TID.isAsCheapAsAMove())
     return false;
-  if (!DefMI->getDesc().isRematerializable() ||
-      !tii_->isTriviallyReMaterializable(DefMI))
+  if (!tii_->isTriviallyReMaterializable(DefMI))
     return false;
   bool SawStore = false;
   if (!DefMI->isSafeToMove(tii_, SawStore))