[K/N] Use new llvm pass profiling for -Xprofile-phases compatible output

^KT-79381

Author: projedi

kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/OptimizationPipeline.kt

@@ -215,9 +215,6 @@ abstract class LlvmOptimizationPipeline(
 
     fun execute(llvmModule: LLVMModuleRef) {
         initLLVMOnce()
-        if (config.timePasses) {
-            LLVMSetTimePasses(1)
-        }
         executeCustomPreprocessing(config, llvmModule)
         val passDescription = passes.joinToString(",")
         logger?.log {
@@ -233,7 +230,7 @@ abstract class LlvmOptimizationPipeline(
             """.trimIndent()
         }
         if (passDescription.isEmpty()) return
-        val (errorCode, profile) = withLLVMPassesProfile(performanceManager != null, pipelineName) {
+        val (errorCode, profile) = withLLVMPassesProfile(performanceManager != null || config.timePasses, pipelineName) {
             LLVMKotlinRunPasses(
                     llvmModule,
                     passDescription,
@@ -247,10 +244,9 @@ abstract class LlvmOptimizationPipeline(
         }
         profile?.let {
             performanceManager?.addLlvmPassesProfile(it)
-        }
-        if (config.timePasses) {
-            LLVMPrintAllTimersToStdOut()
-            LLVMClearAllTimers()
+            if (config.timePasses) {
+                it.print()
+            }
         }
     }
 

kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/llvm/LlvmPassesProfile.kt

@@ -68,6 +68,9 @@ internal inline fun <T> withLLVMPassesProfile(
     }
 }
 
+/**
+ * Record [LlvmPassesProfile] in [PerformanceManager] as dynamic stats.
+ */
 internal fun PerformanceManager.addLlvmPassesProfile(profile: LlvmPassesProfile) {
     addOtherUnitStats(UnitStats(
             name = "$presentableName (llvm)",
@@ -88,3 +91,14 @@ internal fun PerformanceManager.addLlvmPassesProfile(profile: LlvmPassesProfile)
             }
     ))
 }
+
+/**
+ * Print out [LlvmPassesProfile] in a format similar to `-Xprofile-phases`.
+ *
+ * @see org.jetbrains.kotlin.config.phaser.NamedCompilerPhase.runAndProfile
+ */
+internal fun LlvmPassesProfile.print() {
+    entries.forEach { (pass, duration) ->
+        println("$pass: ${duration.millis} msec")
+    }
+}

kotlin-native/libllvmext/src/main/cpp/CAPIExtensions.cpp

@@ -6,7 +6,6 @@
 #include <llvm/IR/Module.h>
 #include <llvm/Passes/PassBuilder.h>
 #include <llvm/Passes/StandardInstrumentations.h>
-#include <llvm/Support/Timer.h>
 #include <llvm/Transforms/Utils/Cloning.h>
 
 #include "PassesProfileHandler.h"
@@ -43,18 +42,6 @@ int LLVMInlineCall(LLVMValueRef call) {
   return InlineFunction(*unwrap<CallBase>(call), IFI).isSuccess();
 }
 
-void LLVMSetTimePasses(int enabled) {
-    llvm::TimePassesIsEnabled = static_cast<bool>(enabled);
-}
-
-void LLVMPrintAllTimersToStdOut() {
-    llvm::TimerGroup::printAll(llvm::outs());
-}
-
-void LLVMClearAllTimers() {
-    llvm::TimerGroup::clearAll();
-}
-
 extern "C" LLVMErrorRef LLVMKotlinRunPasses(
         LLVMModuleRef M,
         const char *Passes,

kotlin-native/libllvmext/src/main/include/CAPIExtensions.h

@@ -22,15 +22,6 @@ void LLVMSetNoTailCall(LLVMValueRef Call);
 
 int LLVMInlineCall(LLVMValueRef call);
 
-/// Control LLVM -time-passes flag.
-void LLVMSetTimePasses(int enabled);
-
-/// Print timing results. Useful in combination with LLVMSetTimePasses.
-void LLVMPrintAllTimersToStdOut(void);
-
-/// Clear all LLVM timers. Allows avoiding automatic printing on shutdown
-void LLVMClearAllTimers(void);
-
 /// Run `Passes` on module `M`.
 /// When `Profile` is not `NULL` also collect profiling data and store the result in it.
 LLVMErrorRef LLVMKotlinRunPasses(