[clang] 39ca3e5 - Update: clang/test/Profile/gcc-flag-compatibility.c to have -flto on AIX

[Whitney Tsang via cfe-commits]

Author: Mark Danial
Date: 2021-08-09T14:57:38Z
New Revision: 39ca3e5541d0f9634ee22e3bcd932c47cb37306a

URL: https://github.com/llvm/llvm-project/commit/39ca3e5541d0f9634ee22e3bcd932c47cb37306a
DIFF: https://github.com/llvm/llvm-project/commit/39ca3e5541d0f9634ee22e3bcd932c47cb37306a.diff

LOG: Update: clang/test/Profile/gcc-flag-compatibility.c to have -flto on AIX

Reviewed By: Whitney

Differential Revision: https://reviews.llvm.org/D106815

Added: 
    clang/test/Profile/gcc-flag-compatibility-aix.c

Modified: 
    clang/test/Profile/gcc-flag-compatibility.c

Removed: 
    


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diff  --git a/clang/test/Profile/gcc-flag-compatibility-aix.c b/clang/test/Profile/gcc-flag-compatibility-aix.c
new file mode 100644
index 0000000000000..215adfc0e4a3b
--- /dev/null
+++ b/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;
+}

diff  --git a/clang/test/Profile/gcc-flag-compatibility.c b/clang/test/Profile/gcc-flag-compatibility.c
index 743b7ff555554..1cfd3ecd7ee06 100644
--- a/clang/test/Profile/gcc-flag-compatibility.c
+++ b/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. gcc-flag-compatibility-aix.c is used to do the testing on AIX with -flto
+// 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