Use more PGO counters

Kobzol · Kobzol · commit 71c23761d979 · 2023-05-22T19:39:16.000+02:00
diff --git a/src/bootstrap/llvm.rs b/src/bootstrap/llvm.rs
@@ -344,6 +344,7 @@ impl Step for Llvm {
                     cfg.define("LLVM_PROFILE_DATA_DIR", llvm_profile_dir);
                 }
             }
+            cfg.define("LLVM_VP_COUNTERS_PER_SITE", "10");
             cfg.define("LLVM_BUILD_RUNTIME", "No");
         }
         if let Some(path) = builder.config.llvm_profile_use.as_ref() {
diff --git a/src/ci/stage-build.py b/src/ci/stage-build.py
@@ -822,7 +822,7 @@ def execute_build_pipeline(timer: Timer, pipeline: Pipeline, runner: BenchmarkRu
 
     # Stage 1b: Build rustc + CS PGO instrumented LLVM
     with timer.section("Stage 1b (LLVM CS PGO)") as stage1b:
-        with stage1.section("Build rustc and LLVM") as rustc_build:
+        with stage1b.section("Build rustc and LLVM") as rustc_build:
             build_rustc(pipeline, args=[
                 "--llvm-profile-generate",
                 "--llvm-profile-use",

Original file line number	Diff line number	Diff line change
`@@ -344,6 +344,7 @@ impl Step for Llvm {`
`344`	`344`	`cfg.define("LLVM_PROFILE_DATA_DIR", llvm_profile_dir);`
`345`	`345`	`}`
`346`	`346`	`}`
	`347`	`+ cfg.define("LLVM_VP_COUNTERS_PER_SITE", "10");`
`347`	`348`	`cfg.define("LLVM_BUILD_RUNTIME", "No");`
`348`	`349`	`}`
`349`	`350`	`if let Some(path) = builder.config.llvm_profile_use.as_ref() {`