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isTriviallyReMaterializable checks the

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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
This commit is contained in:
Dan Gohman
2009-10-09 21:02:10 +00:00
parent 11596ed43c
commit 599a87aca0
4 changed files with 4 additions and 7 deletions
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3
lib/CodeGen/MachineInstr.cpp
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@ -960,8 +960,7 @@ bool MachineInstr::isSafeToMove(const TargetInstrInfo *TII,
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) {