Refine debug dump

Mel-Chen · Mel-Chen · commit 2924bf9184b3 · 2024-12-11T18:53:51.000-08:00
diff --git a/llvm/lib/Analysis/IVDescriptors.cpp b/llvm/lib/Analysis/IVDescriptors.cpp
@@ -986,7 +986,11 @@ bool RecurrenceDescriptor::isReductionPHI(PHINode *Phi, Loop *TheLoop,
   }
   if (AddReductionVar(Phi, RecurKind::IFindLastIV, TheLoop, FMF, RedDes, DB, AC,
                       DT, SE)) {
-    LLVM_DEBUG(dbgs() << "Found a FindLastIV reduction PHI." << *Phi << "\n");
+    LLVM_DEBUG(dbgs() << "Found a "
+                      << (RedDes.getRecurrenceKind() == RecurKind::FFindLastIV
+                              ? "F"
+                              : "I")
+                      << "FindLastIV reduction PHI." << *Phi << "\n");
     return true;
   }
   if (AddReductionVar(Phi, RecurKind::FMul, TheLoop, FMF, RedDes, DB, AC, DT,

Original file line number	Diff line number	Diff line change
`@@ -986,7 +986,11 @@ bool RecurrenceDescriptor::isReductionPHI(PHINode Phi, Loop TheLoop,`
`986`	`986`	`}`
`987`	`987`	`if (AddReductionVar(Phi, RecurKind::IFindLastIV, TheLoop, FMF, RedDes, DB, AC,`
`988`	`988`	`DT, SE)) {`
`989`		`- LLVM_DEBUG(dbgs() << "Found a FindLastIV reduction PHI." << *Phi << "\n");`
	`989`	`+ LLVM_DEBUG(dbgs() << "Found a "`
	`990`	`+ << (RedDes.getRecurrenceKind() == RecurKind::FFindLastIV`
	`991`	`+ ? "F"`
	`992`	`+ : "I")`
	`993`	`+ << "FindLastIV reduction PHI." << *Phi << "\n");`
`990`	`994`	`return true;`
`991`	`995`	`}`
`992`	`996`	`if (AddReductionVar(Phi, RecurKind::FMul, TheLoop, FMF, RedDes, DB, AC, DT,`