[PATCH] D106815: Update: clang/test/Profile/gcc-flag-compatibility.c upstream to have -flto on AIX
Mark Danial via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Mon Jul 26 11:50:34 PDT 2021
madanial created this revision.
madanial added reviewers: Whitney, dnovillo, xur.
madanial added a project: LLVM.
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madanial requested review of this revision.
Herald added a project: clang.
Herald added a subscriber: cfe-commits.
Commit: https://reviews.llvm.org/D104803 requires -flto for -fprofile-generate. This causes the current gcc-flag-compatibility.c testcase to fail on AIX. This patch XFAILS the current test case on AIX and adds another testcase that targets AIX specifically with the -flto option.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D106815
Files:
clang/test/Profile/gcc-flag-compatibility-aix.c
clang/test/Profile/gcc-flag-compatibility.c
Index: clang/test/Profile/gcc-flag-compatibility.c
===================================================================
--- clang/test/Profile/gcc-flag-compatibility.c
+++ clang/test/Profile/gcc-flag-compatibility.c
@@ -7,6 +7,8 @@
// -fprofile-use=<dir> Uses the profile file <dir>/default.profdata
// -fprofile-use=<dir>/file Uses the profile file <dir>/file
+// On AIX, -flto is required with -fprofile-generate
+// XFAIL: aix
// RUN: %clang %s -c -S -o - -emit-llvm -fprofile-generate -fno-experimental-new-pass-manager | FileCheck -check-prefix=PROFILE-GEN %s
// RUN: %clang %s -c -S -o - -emit-llvm -fprofile-generate -fexperimental-new-pass-manager | FileCheck -check-prefix=PROFILE-GEN %s
// PROFILE-GEN: @__profc_main = {{(private|internal)}} global [2 x i64] zeroinitializer, section
Index: clang/test/Profile/gcc-flag-compatibility-aix.c
===================================================================
--- /dev/null
+++ clang/test/Profile/gcc-flag-compatibility-aix.c
@@ -0,0 +1,68 @@
+// Tests for -fprofile-generate and -fprofile-use flag compatibility. These two
+// flags behave similarly to their GCC counterparts:
+//
+// -fprofile-generate Generates the profile file ./default.profraw
+// -fprofile-generate=<dir> Generates the profile file <dir>/default.profraw
+// -fprofile-use Uses the profile file ./default.profdata
+// -fprofile-use=<dir> Uses the profile file <dir>/default.profdata
+// -fprofile-use=<dir>/file Uses the profile file <dir>/file
+
+// On AIX, -flto is required with -fprofile-generate
+
+// RUN: %clang %s -c -S -o - -emit-llvm -target powerpc64-unknown-aix -flto -fprofile-generate -fno-experimental-new-pass-manager | FileCheck -check-prefix=PROFILE-GEN %s
+// RUN: %clang %s -c -S -o - -emit-llvm -target powerpc64-unknown-aix -flto -fprofile-generate -fexperimental-new-pass-manager | FileCheck -check-prefix=PROFILE-GEN %s
+// PROFILE-GEN: @__profc_main = {{(private|internal)}} global [2 x i64] zeroinitializer, section
+// PROFILE-GEN: @__profd_main =
+
+// Check that -fprofile-generate=/path/to generates /path/to/default.profraw
+// RUN: %clang %s -c -S -o - -emit-llvm -target powerpc64-unknown-aix -flto -fprofile-generate=/path/to -fno-experimental-new-pass-manager | FileCheck -check-prefixes=PROFILE-GEN,PROFILE-GEN-EQ %s
+// RxUN: %clang %s -c -S -o - -emit-llvm -target powerpc64-unknown-aix -flto -fprofile-generate=/path/to -fexperimental-new-pass-manager | FileCheck -check-prefixes=PROFILE-GEN,PROFILE-GEN-EQ %s
+// PROFILE-GEN-EQ: constant [{{.*}} x i8] c"/path/to{{/|\\\\}}{{.*}}\00"
+
+// Check that -fprofile-use=some/path reads some/path/default.profdata
+// This uses Clang FE format profile.
+// RUN: rm -rf %t.dir
+// RUN: mkdir -p %t.dir/some/path
+// RUN: llvm-profdata merge %S/Inputs/gcc-flag-compatibility.proftext -o %t.dir/some/path/default.profdata
+// RUN: %clang %s -o - -Xclang -disable-llvm-passes -emit-llvm -S -fprofile-use=%t.dir/some/path -fno-experimental-new-pass-manager | FileCheck -check-prefix=PROFILE-USE %s
+// RUN: %clang %s -o - -Xclang -disable-llvm-passes -emit-llvm -S -fprofile-use=%t.dir/some/path -fexperimental-new-pass-manager | FileCheck -check-prefix=PROFILE-USE %s
+
+// Check that -fprofile-use=some/path/file.prof reads some/path/file.prof
+// This uses Clang FE format profile.
+// RUN: rm -rf %t.dir
+// RUN: mkdir -p %t.dir/some/path
+// RUN: llvm-profdata merge %S/Inputs/gcc-flag-compatibility.proftext -o %t.dir/some/path/file.prof
+// RUN: %clang %s -o - -Xclang -disable-llvm-passes -emit-llvm -S -fprofile-use=%t.dir/some/path/file.prof -fno-experimental-new-pass-manager | FileCheck -check-prefix=PROFILE-USE %s
+// RUN: %clang %s -o - -Xclang -disable-llvm-passes -emit-llvm -S -fprofile-use=%t.dir/some/path/file.prof -fexperimental-new-pass-manager | FileCheck -check-prefix=PROFILE-USE %s
+// PROFILE-USE: = !{!"branch_weights", i32 101, i32 2}
+
+// Check that -fprofile-use=some/path reads some/path/default.profdata
+// This uses LLVM IR format profile.
+// RUN: rm -rf %t.dir
+// RUN: mkdir -p %t.dir/some/path
+// RUN: llvm-profdata merge %S/Inputs/gcc-flag-compatibility_IR.proftext -o %t.dir/some/path/default.profdata
+// RUN: %clang %s -o - -emit-llvm -S -fprofile-use=%t.dir/some/path -fno-experimental-new-pass-manager | FileCheck -check-prefix=PROFILE-USE-IR %s
+// RUN: %clang %s -o - -emit-llvm -S -fprofile-use=%t.dir/some/path -fexperimental-new-pass-manager | FileCheck -check-prefix=PROFILE-USE-IR %s
+
+// Check that -fprofile-use=some/path/file.prof reads some/path/file.prof
+// This uses LLVM IR format profile.
+// RUN: rm -rf %t.dir
+// RUN: mkdir -p %t.dir/some/path
+// RUN: llvm-profdata merge %S/Inputs/gcc-flag-compatibility_IR.proftext -o %t.dir/some/path/file.prof
+// RUN: %clang %s -o - -emit-llvm -S -fprofile-use=%t.dir/some/path/file.prof -fno-experimental-new-pass-manager | FileCheck -check-prefix=PROFILE-USE-IR %s
+// RUN: %clang %s -o - -emit-llvm -S -fprofile-use=%t.dir/some/path/file.prof -fexperimental-new-pass-manager | FileCheck -check-prefix=PROFILE-USE-IR %s
+//
+// RUN: llvm-profdata merge %S/Inputs/gcc-flag-compatibility_IR_entry.proftext -o %t.dir/some/path/file.prof
+// RUN: %clang %s -o - -emit-llvm -S -fprofile-use=%t.dir/some/path/file.prof -fno-experimental-new-pass-manager | FileCheck -check-prefix=PROFILE-USE-IR %s
+// RUN: %clang %s -o - -emit-llvm -S -fprofile-use=%t.dir/some/path/file.prof -fexperimental-new-pass-manager | FileCheck -check-prefix=PROFILE-USE-IR %s
+
+// PROFILE-USE-IR: = !{!"branch_weights", i32 100, i32 1}
+
+int X = 0;
+
+int main() {
+ int i;
+ for (i = 0; i < 100; i++)
+ X += i;
+ return 0;
+}
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