[llvm] [SPARC] Set how many bytes load from or store to stack slot (PR #182674)

[via llvm-commits]

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@@ -47,15 +47,31 @@ SparcInstrInfo::SparcInstrInfo(const SparcSubtarget &ST)
 /// not, return 0.  This predicate must return 0 if the instruction has
 /// any side effects other than loading from the stack slot.
 Register SparcInstrInfo::isLoadFromStackSlot(const MachineInstr &MI,
-                                             int &FrameIndex) const {
-  if (MI.getOpcode() == SP::LDri || MI.getOpcode() == SP::LDXri ||
-      MI.getOpcode() == SP::LDFri || MI.getOpcode() == SP::LDDFri ||
-      MI.getOpcode() == SP::LDQFri) {
-    if (MI.getOperand(1).isFI() && MI.getOperand(2).isImm() &&
-        MI.getOperand(2).getImm() == 0) {
-      FrameIndex = MI.getOperand(1).getIndex();
-      return MI.getOperand(0).getReg();
-    }
+                                             int &FrameIndex,
+                                             TypeSize &MemBytes) const {
+  switch (MI.getOpcode()) {
+  default:
+    return 0;
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koachan wrote:

Just a question here, so no need to set MemBytes in this case?

https://github.com/llvm/llvm-project/pull/182674