[llvm] r250679 - [PGO] Eliminate prof data register calls on FreeBSD platform

[Xinliang David Li via llvm-commits]

Author: davidxl
Date: Sun Oct 18 23:17:10 2015
New Revision: 250679

URL: http://llvm.org/viewvc/llvm-project?rev=250679&view=rev
Log:
[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.


Modified:
    llvm/trunk/lib/Transforms/Instrumentation/InstrProfiling.cpp
    llvm/trunk/test/Instrumentation/InstrProfiling/platform.ll

Modified: llvm/trunk/lib/Transforms/Instrumentation/InstrProfiling.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Instrumentation/InstrProfiling.cpp?rev=250679&r1=250678&r2=250679&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Instrumentation/InstrProfiling.cpp (original)
+++ llvm/trunk/lib/Transforms/Instrumentation/InstrProfiling.cpp Sun Oct 18 23:17:10 2015
@@ -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());

Modified: llvm/trunk/test/Instrumentation/InstrProfiling/platform.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Instrumentation/InstrProfiling/platform.ll?rev=250679&r1=250678&r2=250679&view=diff
==============================================================================
--- llvm/trunk/test/Instrumentation/InstrProfiling/platform.ll (original)
+++ llvm/trunk/test/Instrumentation/InstrProfiling/platform.ll Sun Oct 18 23:17:10 2015
@@ -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(i
 
 ; 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