From: Xinliang David Li <davidxl@google.com>
Date: Mon, 19 Oct 2015 04:17:10 +0000 (+0000)
Subject: [PGO] Eliminate prof data register calls on FreeBSD platform
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=0971eb7364bde89cacbfceebad94a66a638c5046;p=oota-llvm.git

[PGO] Eliminate prof data register calls on FreeBSD platform

This is a follow up patch of r250199 after verifying the start/stop
section symbols work as spected on FreeBSD.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250679 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Transforms/Instrumentation/InstrProfiling.cpp b/lib/Transforms/Instrumentation/InstrProfiling.cpp
index a92e7f8297b..a68fd3db6c2 100644
--- a/lib/Transforms/Instrumentation/InstrProfiling.cpp
+++ b/lib/Transforms/Instrumentation/InstrProfiling.cpp
@@ -258,7 +258,9 @@ void InstrProfiling::emitRegistration() {
     return;
 
   // Use linker script magic to get data/cnts/name start/end.
-  if (Triple(M->getTargetTriple()).isOSLinux()) return;
+  if (Triple(M->getTargetTriple()).isOSLinux() ||
+      Triple(M->getTargetTriple()).isOSFreeBSD())
+    return;
 
   // Construct the function.
   auto *VoidTy = Type::getVoidTy(M->getContext());
diff --git a/test/Instrumentation/InstrProfiling/platform.ll b/test/Instrumentation/InstrProfiling/platform.ll
index e2c3839d4f1..9fe84b043e2 100644
--- a/test/Instrumentation/InstrProfiling/platform.ll
+++ b/test/Instrumentation/InstrProfiling/platform.ll
@@ -2,7 +2,8 @@
 
 ; RUN: opt < %s -mtriple=x86_64-apple-macosx10.10.0 -instrprof -S | FileCheck %s -check-prefix=MACHO
 ; RUN: opt < %s -mtriple=x86_64-unknown-linux -instrprof -S | FileCheck %s -check-prefix=LINUX
-; RUN: opt < %s -mtriple=x86_64-unknown-freebsd -instrprof -S | FileCheck %s -check-prefix=BSD
+; RUN: opt < %s -mtriple=x86_64-unknown-freebsd -instrprof -S | FileCheck %s -check-prefix=FREEBSD
+; RUN: opt < %s -mtriple=x86_64-pc-solaris -instrprof -S | FileCheck %s -check-prefix=SOLARIS
 
 @__llvm_profile_name_foo = hidden constant [3 x i8] c"foo"
 ; MACHO: @__llvm_profile_name_foo = hidden constant [3 x i8] c"foo", section "__DATA,__llvm_prf_names", align 1
@@ -13,7 +14,8 @@
 
 ; MACHO: @__llvm_profile_data_foo = hidden constant {{.*}}, section "__DATA,__llvm_prf_data", align 8
 ; LINUX: @__llvm_profile_data_foo = hidden constant {{.*}}, section "__llvm_prf_data", align 8
-; BSD: @__llvm_profile_data_foo = hidden constant {{.*}}, section "__llvm_prf_data", align 8
+; FREEBSD: @__llvm_profile_data_foo = hidden constant {{.*}}, section "__llvm_prf_data", align 8
+; SOLARIS: @__llvm_profile_data_foo = hidden constant {{.*}}, section "__llvm_prf_data", align 8
 define void @foo() {
   call void @llvm.instrprof.increment(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @__llvm_profile_name_foo, i32 0, i32 0), i64 0, i32 1, i32 0)
   ret void
@@ -26,8 +28,10 @@ declare void @llvm.instrprof.increment(i8*, i64, i32, i32)
 
 ; MACHO-NOT: define internal void @__llvm_profile_register_functions
 ; LINUX-NOT: define internal void @__llvm_profile_register_functions
-; BSD: define internal void @__llvm_profile_register_functions
+; FREEBSD-NOT: define internal void @__llvm_profile_register_functions
+; SOLARIS: define internal void @__llvm_profile_register_functions
 
 ; MACHO-NOT: define internal void @__llvm_profile_init
 ; LINUX-NOT: define internal void @__llvm_profile_init
-; BSD: define internal void @__llvm_profile_init
+; FREEBSD-NOT: define internal void @__llvm_profile_init
+; SOLARIS: define internal void @__llvm_profile_init