[llvm] [BOLT][test] Add callcont-fallthru.test (PR #109486)
Amir Ayupov via llvm-commits
llvm-commits at lists.llvm.org
Fri Sep 20 15:04:59 PDT 2024
https://github.com/aaupov created https://github.com/llvm/llvm-project/pull/109486
Add a test reproducing one source of profile discontinuity: missing
call->call continuation fallthrough count when using pre-aggregated
profile.
Test Plan: bin/llvm-lit -a tools/bolt/test/X86/callcont-fallthru.test
>From e713939a87239ea57c15849dc0f9a1fcc49e73fb Mon Sep 17 00:00:00 2001
From: Amir Ayupov <aaupov at fb.com>
Date: Fri, 20 Sep 2024 15:04:50 -0700
Subject: [PATCH] =?UTF-8?q?[=F0=9D=98=80=F0=9D=97=BD=F0=9D=97=BF]=20initia?=
=?UTF-8?q?l=20version?=
MIME-Version: 1.0
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Created using spr 1.3.4
---
bolt/test/X86/Inputs/callcont-fallthru.preagg | 21 +
bolt/test/X86/Inputs/callcont-fallthru.yaml | 889 ++++++++++++++++++
bolt/test/X86/callcont-fallthru.test | 9 +
3 files changed, 919 insertions(+)
create mode 100644 bolt/test/X86/Inputs/callcont-fallthru.preagg
create mode 100644 bolt/test/X86/Inputs/callcont-fallthru.yaml
create mode 100644 bolt/test/X86/callcont-fallthru.test
diff --git a/bolt/test/X86/Inputs/callcont-fallthru.preagg b/bolt/test/X86/Inputs/callcont-fallthru.preagg
new file mode 100644
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diff --git a/bolt/test/X86/Inputs/callcont-fallthru.yaml b/bolt/test/X86/Inputs/callcont-fallthru.yaml
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diff --git a/bolt/test/X86/callcont-fallthru.test b/bolt/test/X86/callcont-fallthru.test
new file mode 100644
index 00000000000000..8e43589e8f5425
--- /dev/null
+++ b/bolt/test/X86/callcont-fallthru.test
@@ -0,0 +1,9 @@
+## Reproduces missing call continuation fallthrough count when using
+## pre-aggregated perf data
+
+# RUN: yaml2obj %p/Inputs/callcont-fallthru.yaml > %t.exe
+# RUN: llvm-bolt %t.exe --pa -p %p/Inputs/callcont-fallthru.preagg -o %t.out \
+# RUN: --print-cfg --print-only=main | FileCheck %s
+
+# CHECK: callq foo
+# CHECK-NEXT: count: 0
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