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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-04-20 22:14:20 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-04-20 22:14:20 +0000 |
| commit | 3b7d917dec53a742fcb14802557ee75d35185968 (patch) | |
| tree | 681aea6f3a0796c561b21edeb65478422e6f1565 /lib/CodeGen/LiveRangeEdit.cpp | |
| parent | 08c5a347a05e73a34c70ec8b694b1e89b96a6bf5 (diff) | |
Add debug output for rematerializable instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129883 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/LiveRangeEdit.cpp')
| -rw-r--r-- | lib/CodeGen/LiveRangeEdit.cpp | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/lib/CodeGen/LiveRangeEdit.cpp b/lib/CodeGen/LiveRangeEdit.cpp index b1dc9019cc..443cc2e904 100644 --- a/lib/CodeGen/LiveRangeEdit.cpp +++ b/lib/CodeGen/LiveRangeEdit.cpp @@ -36,14 +36,16 @@ LiveInterval &LiveRangeEdit::createFrom(unsigned OldReg, return LI; } -void LiveRangeEdit::checkRematerializable(VNInfo *VNI, +bool LiveRangeEdit::checkRematerializable(VNInfo *VNI, const MachineInstr *DefMI, const TargetInstrInfo &tii, AliasAnalysis *aa) { assert(DefMI && "Missing instruction"); - if (tii.isTriviallyReMaterializable(DefMI, aa)) - remattable_.insert(VNI); scannedRemattable_ = true; + if (!tii.isTriviallyReMaterializable(DefMI, aa)) + return false; + remattable_.insert(VNI); + return true; } void LiveRangeEdit::scanRemattable(LiveIntervals &lis, |