[llvm] Use sizeWithoutDebugLargerThan when considering outlining (PR #85539)

[via llvm-commits]

https://github.com/AtariDreams created https://github.com/llvm/llvm-project/pull/85539

None

>From 0a7fa1d054faf8b2ae3678df3cd2194dfce4f701 Mon Sep 17 00:00:00 2001
From: Rose <gfunni234 at gmail.com>
Date: Sat, 16 Mar 2024 12:00:40 -0400
Subject: [PATCH] Use sizeWithoutDebugLargerThan when considering outlining

---
 llvm/lib/CodeGen/MachineOutliner.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/llvm/lib/CodeGen/MachineOutliner.cpp b/llvm/lib/CodeGen/MachineOutliner.cpp
index dc2f5ef15206e8..f1fd47ee120e2c 100644
--- a/llvm/lib/CodeGen/MachineOutliner.cpp
+++ b/llvm/lib/CodeGen/MachineOutliner.cpp
@@ -1028,11 +1028,11 @@ void MachineOutliner::populateMapper(InstructionMapper &Mapper, Module &M,
       LLVM_DEBUG(dbgs() << "  MAPPING MBB: '" << MBB.getName() << "'\n");
       // If there isn't anything in MBB, then there's no point in outlining from
       // it.
-      // If there are fewer than 2 instructions in the MBB, then it can't ever
+      // If there is only 1 instruction in the MBB, then it can't ever
       // contain something worth outlining.
       // FIXME: This should be based off of the maximum size in B of an outlined
       // call versus the size in B of the MBB.
-      if (MBB.size() < MinMBBSize) {
+      if (!MBB.sizeWithoutDebugLargerThan(MinMBBSize - 1)) {
         LLVM_DEBUG(dbgs() << "    SKIP: MBB size less than minimum size of "
                           << MinMBBSize << "\n");
         continue;