[𝘀𝗽𝗿] initial version

Created using spr 1.3.4

Author: vitalybuka

llvm/lib/Passes/PassBuilderPipelines.cpp

@@ -14,6 +14,7 @@
 ///
 //===----------------------------------------------------------------------===//
 
+#include "llvm/ADT/ScopeExit.h"
 #include "llvm/ADT/Statistic.h"
 #include "llvm/Analysis/AliasAnalysis.h"
 #include "llvm/Analysis/BasicAliasAnalysis.h"
@@ -1816,6 +1817,17 @@ PassBuilder::buildLTODefaultPipeline(OptimizationLevel Level,
   // in the current module.
   MPM.addPass(CrossDSOCFIPass());
 
+//  MPM.addPass(CoroEarlyPass());
+
+  auto Exit = llvm::make_scope_exit([&]() {
+//    MPM.addPass(CoroCleanupPass());
+
+    invokeFullLinkTimeOptimizationLastEPCallbacks(MPM, Level);
+
+    // Emit annotation remarks.
+    addAnnotationRemarksPass(MPM);
+  });
+
   if (Level == OptimizationLevel::O0) {
     // The WPD and LowerTypeTest passes need to run at -O0 to lower type
     // metadata and intrinsics.
@@ -1826,11 +1838,6 @@ PassBuilder::buildLTODefaultPipeline(OptimizationLevel Level,
     MPM.addPass(LowerTypeTestsPass(nullptr, nullptr,
                                    lowertypetests::DropTestKind::Assume));
 
-    invokeFullLinkTimeOptimizationLastEPCallbacks(MPM, Level);
-
-    // Emit annotation remarks.
-    addAnnotationRemarksPass(MPM);
-
     return MPM;
   }
 
@@ -1910,11 +1917,6 @@ PassBuilder::buildLTODefaultPipeline(OptimizationLevel Level,
     MPM.addPass(LowerTypeTestsPass(nullptr, nullptr,
                                    lowertypetests::DropTestKind::Assume));
 
-    invokeFullLinkTimeOptimizationLastEPCallbacks(MPM, Level);
-
-    // Emit annotation remarks.
-    addAnnotationRemarksPass(MPM);
-
     return MPM;
   }
 
@@ -1983,7 +1985,11 @@ PassBuilder::buildLTODefaultPipeline(OptimizationLevel Level,
 
   // If we didn't decide to inline a function, check to see if we can
   // transform it to pass arguments by value instead of by reference.
-  MPM.addPass(createModuleToPostOrderCGSCCPassAdaptor(ArgumentPromotionPass()));
+  CGSCCPassManager CGPM;
+  CGPM.addPass(ArgumentPromotionPass());
+//  CGPM.addPass(CoroSplitPass(Level != OptimizationLevel::O0));
+//  CGPM.addPass(CoroAnnotationElidePass());
+  MPM.addPass(createModuleToPostOrderCGSCCPassAdaptor(std::move(CGPM)));
 
   FunctionPassManager FPM;
   // The IPO Passes may leave cruft around. Clean up after them.
@@ -2135,11 +2141,6 @@ PassBuilder::buildLTODefaultPipeline(OptimizationLevel Level,
   if (PTO.CallGraphProfile)
     MPM.addPass(CGProfilePass(/*InLTOPostLink=*/true));
 
-  invokeFullLinkTimeOptimizationLastEPCallbacks(MPM, Level);
-
-  // Emit annotation remarks.
-  addAnnotationRemarksPass(MPM);
-
   return MPM;
 }
 

llvm/test/ThinLTO/X86/coro.ll

@@ -0,0 +1,21 @@
+; RU1N: llvm-as %s -o %t1.bc
+; RU1N: llvm-lto2 run %t1.bc -o %t2.o -r=%t1.bc,test,plx -r=%t1.bc,extern_func,plx -save-temps
+; RU1N: llvm-dis %t2.o.0.5.precodegen.bc -o - | FileCheck %s --implicit-check-not="call void @llvm.coro"
+
+target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-fuchsia"
+
+declare void @extern_func()
+
+; CHECK:      define {{.*}} void @test(
+define void @test(ptr %hdl) {
+  call void @llvm.coro.resume(ptr %hdl)
+  call void @llvm.coro.destroy(ptr %hdl)
+  call i1 @llvm.coro.done(ptr %hdl)
+  ret void
+}
+
+declare void @llvm.coro.resume(ptr)
+declare void @llvm.coro.destroy(ptr)
+declare i1 @llvm.coro.done(ptr)
+