[PATCH] D116074: [NFC] Expose isRematerializable and copyHint from CalcSpillWeights
Mircea Trofin via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Tue Jan 4 08:20:04 PST 2022
This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rG64e56f835641: [NFC] Expose isRematerializable and copyHint from CalcSpillWeights (authored by mtrofin).
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D116074/new/
https://reviews.llvm.org/D116074
Files:
llvm/include/llvm/CodeGen/CalcSpillWeights.h
llvm/lib/CodeGen/CalcSpillWeights.cpp
Index: llvm/lib/CodeGen/CalcSpillWeights.cpp
===================================================================
--- llvm/lib/CodeGen/CalcSpillWeights.cpp
+++ llvm/lib/CodeGen/CalcSpillWeights.cpp
@@ -43,9 +43,9 @@
}
// Return the preferred allocation register for reg, given a COPY instruction.
-static Register copyHint(const MachineInstr *MI, unsigned Reg,
- const TargetRegisterInfo &TRI,
- const MachineRegisterInfo &MRI) {
+Register VirtRegAuxInfo::copyHint(const MachineInstr *MI, unsigned Reg,
+ const TargetRegisterInfo &TRI,
+ const MachineRegisterInfo &MRI) {
unsigned Sub, HSub;
Register HReg;
if (MI->getOperand(0).getReg() == Reg) {
@@ -77,9 +77,10 @@
}
// Check if all values in LI are rematerializable
-static bool isRematerializable(const LiveInterval &LI, const LiveIntervals &LIS,
- const VirtRegMap &VRM,
- const TargetInstrInfo &TII) {
+bool VirtRegAuxInfo::isRematerializable(const LiveInterval &LI,
+ const LiveIntervals &LIS,
+ const VirtRegMap &VRM,
+ const TargetInstrInfo &TII) {
Register Reg = LI.reg();
Register Original = VRM.getOriginal(Reg);
for (LiveInterval::const_vni_iterator I = LI.vni_begin(), E = LI.vni_end();
Index: llvm/include/llvm/CodeGen/CalcSpillWeights.h
===================================================================
--- llvm/include/llvm/CodeGen/CalcSpillWeights.h
+++ llvm/include/llvm/CodeGen/CalcSpillWeights.h
@@ -80,6 +80,18 @@
/// live intervals.
void calculateSpillWeightsAndHints();
+ /// Return the preferred allocation register for reg, given a COPY
+ /// instruction.
+ static Register copyHint(const MachineInstr *MI, unsigned Reg,
+ const TargetRegisterInfo &TRI,
+ const MachineRegisterInfo &MRI);
+
+ /// Determine if all values in LI are rematerializable.
+ static bool isRematerializable(const LiveInterval &LI,
+ const LiveIntervals &LIS,
+ const VirtRegMap &VRM,
+ const TargetInstrInfo &TII);
+
protected:
/// Helper function for weight calculations.
/// (Re)compute LI's spill weight and allocation hint, or, for non null
-------------- next part --------------
A non-text attachment was scrubbed...
Name: D116074.397310.patch
Type: text/x-patch
Size: 2512 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20220104/fdacf5fd/attachment.bin>
More information about the llvm-commits
mailing list