[llvm-branch-commits] [llvm] FastISel: Do not check for module debug info (PR #100353)

[Matt Arsenault via llvm-branch-commits]

https://github.com/arsenm updated https://github.com/llvm/llvm-project/pull/100353

>From 708970d494353c8a2e5dcf66fb4fc0554132d518 Mon Sep 17 00:00:00 2001
From: Matt Arsenault <Matthew.Arsenault at amd.com>
Date: Wed, 24 Jul 2024 15:53:01 +0400
Subject: [PATCH] FastISel: Do not check for module debug info

I don't see the point of this check and SelectionDAG
does not perform it. In the normal usecase, if there's
no debug info the debug intrinsics would not be there
in the first place.
---
 llvm/lib/CodeGen/SelectionDAG/FastISel.cpp | 16 ----------------
 1 file changed, 16 deletions(-)

diff --git a/llvm/lib/CodeGen/SelectionDAG/FastISel.cpp b/llvm/lib/CodeGen/SelectionDAG/FastISel.cpp
index ef9f783355190..e255bbaa92b16 100644
--- a/llvm/lib/CodeGen/SelectionDAG/FastISel.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/FastISel.cpp
@@ -1203,11 +1203,6 @@ void FastISel::handleDbgInfo(const Instruction *II) {
 
     if (DbgLabelRecord *DLR = dyn_cast<DbgLabelRecord>(&DR)) {
       assert(DLR->getLabel() && "Missing label");
-      if (!FuncInfo.MF->getMMI().hasDebugInfo()) {
-        LLVM_DEBUG(dbgs() << "Dropping debug info for " << *DLR << "\n");
-        continue;
-      }
-
       BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DLR->getDebugLoc(),
               TII.get(TargetOpcode::DBG_LABEL))
           .addMetadata(DLR->getLabel());
@@ -1402,12 +1397,6 @@ bool FastISel::selectIntrinsicCall(const IntrinsicInst *II) {
   case Intrinsic::dbg_declare: {
     const DbgDeclareInst *DI = cast<DbgDeclareInst>(II);
     assert(DI->getVariable() && "Missing variable");
-    if (!FuncInfo.MF->getMMI().hasDebugInfo()) {
-      LLVM_DEBUG(dbgs() << "Dropping debug info for " << *DI
-                        << " (!hasDebugInfo)\n");
-      return true;
-    }
-
     if (FuncInfo.PreprocessedDbgDeclares.contains(DI))
       return true;
 
@@ -1446,11 +1435,6 @@ bool FastISel::selectIntrinsicCall(const IntrinsicInst *II) {
   case Intrinsic::dbg_label: {
     const DbgLabelInst *DI = cast<DbgLabelInst>(II);
     assert(DI->getLabel() && "Missing label");
-    if (!FuncInfo.MF->getMMI().hasDebugInfo()) {
-      LLVM_DEBUG(dbgs() << "Dropping debug info for " << *DI << "\n");
-      return true;
-    }
-
     BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, MIMD,
             TII.get(TargetOpcode::DBG_LABEL)).addMetadata(DI->getLabel());
     return true;