================
@@ -254,3 +262,13 @@ bool
SIPreAllocateWWMRegs::runOnMachineFunction(MachineFunction &MF) {
rewriteRegs(MF);
return true;
}
+
+PreservedAnalyses
+SIPreAllocateWWMRegsPass::run(MachineFunction &MF,
+ MachineFunctionAnalysisManager &MFAM) {
+ auto *LIS = &MFAM.getResult<LiveIntervalsAnalysis>(MF);
+ auto *Matrix = &MFAM.getResult<LiveRegMatrixAnalysis>(MF);
+ auto *VRM = &MFAM.getResult<VirtRegMapAnalysis>(MF);
----------------
arsenm wrote:
I thought this should be using getCachedResult, and the pass supported no LIS
for the fast RA path. But I see now the legacy path is requiring them (although
it probably shouldn't?)
https://github.com/llvm/llvm-project/pull/109939
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