From: ibricchi <ibricchi@student.ethz.ch>
Date: Mon, 3 Apr 2023 12:13:46 +0000 (+0200)
Subject: [Pass Builder] Allow Module Inliner for full LTO
X-Git-Tag: upstream/17.0.6~12877
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=1a36eaa552f14e7376b38cf5fc54afdf52cc8f13;p=platform%2Fupstream%2Fllvm.git

[Pass Builder] Allow Module Inliner for full LTO

Currently there is no way to enable the module inliner when
linking with full lto. This patch enables that option.

Differential Revision: https://reviews.llvm.org/D146805
---

diff --git a/llvm/lib/Passes/PassBuilderPipelines.cpp b/llvm/lib/Passes/PassBuilderPipelines.cpp
index aaabe23..ed085b4 100644
--- a/llvm/lib/Passes/PassBuilderPipelines.cpp
+++ b/llvm/lib/Passes/PassBuilderPipelines.cpp
@@ -1708,11 +1708,17 @@ PassBuilder::buildLTODefaultPipeline(OptimizationLevel Level,
   // valuable as the inliner doesn't currently care whether it is inlining an
   // invoke or a call.
   // Run the inliner now.
-  MPM.addPass(ModuleInlinerWrapperPass(
-      getInlineParamsFromOptLevel(Level),
-      /* MandatoryFirst */ true,
-      InlineContext{ThinOrFullLTOPhase::FullLTOPostLink,
-                    InlinePass::CGSCCInliner}));
+  if (EnableModuleInliner) {
+    MPM.addPass(ModuleInlinerPass(getInlineParamsFromOptLevel(Level),
+                                  UseInlineAdvisor,
+                                  ThinOrFullLTOPhase::FullLTOPostLink));
+  } else {
+    MPM.addPass(ModuleInlinerWrapperPass(
+        getInlineParamsFromOptLevel(Level),
+        /* MandatoryFirst */ true,
+        InlineContext{ThinOrFullLTOPhase::FullLTOPostLink,
+                      InlinePass::CGSCCInliner}));
+  }
 
   // Perform context disambiguation after inlining, since that would reduce the
   // amount of additional cloning required to distinguish the allocation