From 2ce48056a4fada8a810bcefe09888e0e883ca878 Mon Sep 17 00:00:00 2001 From: Justin Bogner Date: Tue, 24 Feb 2015 21:42:42 +0000 Subject: [PATCH] InstrProf: Test for appropriate linkage of the profiling structures This test checks that the symbols instrprof creates have appropriate linkage. The tests already exist in clang in a slightly different form from before we sunk profile generation into an LLVM pass, but that's an awkward place for them now. I'll remove/simplify the clang versions shortly. llvm-svn: 230383 --- .../test/Instrumentation/InstrProfiling/linkage.ll | 46 ++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 llvm/test/Instrumentation/InstrProfiling/linkage.ll diff --git a/llvm/test/Instrumentation/InstrProfiling/linkage.ll b/llvm/test/Instrumentation/InstrProfiling/linkage.ll new file mode 100644 index 0000000..0e3dd05 --- /dev/null +++ b/llvm/test/Instrumentation/InstrProfiling/linkage.ll @@ -0,0 +1,46 @@ +;; Check that runtime symbols get appropriate linkage. + +; RUN: opt < %s -mtriple=x86_64-apple-macosx10.10.0 -instrprof -S | FileCheck %s +; RUN: opt < %s -mtriple=x86_64-unknown-linux -instrprof -S | FileCheck %s + +@__llvm_profile_name_foo = hidden constant [3 x i8] c"foo" +@__llvm_profile_name_foo_weak = weak hidden constant [8 x i8] c"foo_weak" +@"__llvm_profile_name_linkage.ll:foo_internal" = internal constant [23 x i8] c"linkage.ll:foo_internal" +@__llvm_profile_name_foo_inline = linkonce_odr hidden constant [10 x i8] c"foo_inline" + +; CHECK: @__llvm_profile_counters_foo = hidden global +; CHECK: @__llvm_profile_data_foo = hidden constant +define void @foo() { + call void @llvm.instrprof.increment(i8* getelementptr inbounds ([3 x i8]* @__llvm_profile_name_foo, i32 0, i32 0), i64 0, i32 1, i32 0) + ret void +} + +; CHECK: @__llvm_profile_counters_foo_weak = weak hidden global +; CHECK: @__llvm_profile_data_foo_weak = weak hidden constant +define weak void @foo_weak() { + call void @llvm.instrprof.increment(i8* getelementptr inbounds ([8 x i8]* @__llvm_profile_name_foo_weak, i32 0, i32 0), i64 0, i32 1, i32 0) + ret void +} + +; CHECK: @"__llvm_profile_counters_linkage.ll:foo_internal" = internal global +; CHECK: @"__llvm_profile_data_linkage.ll:foo_internal" = internal constant +define internal void @foo_internal() { + call void @llvm.instrprof.increment(i8* getelementptr inbounds ([23 x i8]* @"__llvm_profile_name_linkage.ll:foo_internal", i32 0, i32 0), i64 0, i32 1, i32 0) + ret void +} + +; CHECK: @__llvm_profile_counters_foo_inline = linkonce_odr hidden global +; CHECK: @__llvm_profile_data_foo_inline = linkonce_odr hidden constant +define linkonce_odr void @foo_inline() { + call void @llvm.instrprof.increment(i8* getelementptr inbounds ([10 x i8]* @__llvm_profile_name_foo_inline, i32 0, i32 0), i64 0, i32 1, i32 0) + ret void +} + +declare void @llvm.instrprof.increment(i8*, i64, i32, i32) + +; CHECK: @__llvm_profile_runtime = external global i32 + +; CHECK: define linkonce_odr i32 @__llvm_profile_runtime_user() {{.*}} { +; CHECK: %[[REG:.*]] = load i32* @__llvm_profile_runtime +; CHECK: ret i32 %[[REG]] +; CHECK: } -- 2.7.4