diff options
Diffstat (limited to 'llvm/test/Instrumentation/InstrProfiling')
4 files changed, 93 insertions, 0 deletions
diff --git a/llvm/test/Instrumentation/InstrProfiling/no-counters.ll b/llvm/test/Instrumentation/InstrProfiling/no-counters.ll new file mode 100644 index 00000000000..0716b0d8c6f --- /dev/null +++ b/llvm/test/Instrumentation/InstrProfiling/no-counters.ll @@ -0,0 +1,10 @@ +;; No instrumentation should be emitted if there are no counter increments. + +; RUN: opt < %s -instrprof -S | FileCheck %s +; CHECK-NOT: @__llvm_profile_counters +; CHECK-NOT: @__llvm_profile_data +; CHECK-NOT: @__llvm_profile_runtime + +define void @foo() { + ret void +} diff --git a/llvm/test/Instrumentation/InstrProfiling/noruntime.ll b/llvm/test/Instrumentation/InstrProfiling/noruntime.ll new file mode 100644 index 00000000000..e69445dc350 --- /dev/null +++ b/llvm/test/Instrumentation/InstrProfiling/noruntime.ll @@ -0,0 +1,16 @@ +;; Check that we don't emit the runtime hooks if the user provided them. + +; RUN: opt < %s -instrprof -S | FileCheck %s +; CHECK-NOT: define {{.*}} @__llvm_profile_runtime_user() +; CHECK-NOT: load i32* @__llvm_profile_runtime + +@__llvm_profile_runtime = global i32 0, align 4 + +@__llvm_profile_name_foo = hidden constant [3 x i8] c"foo" + +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 +} + +declare void @llvm.instrprof.increment(i8*, i64, i32, i32) diff --git a/llvm/test/Instrumentation/InstrProfiling/platform.ll b/llvm/test/Instrumentation/InstrProfiling/platform.ll new file mode 100644 index 00000000000..e0327683b7f --- /dev/null +++ b/llvm/test/Instrumentation/InstrProfiling/platform.ll @@ -0,0 +1,29 @@ +;; Checks for platform specific section names and initialization code. + +; 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=ELF + +@__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 +; ELF: @__llvm_profile_name_foo = hidden constant [3 x i8] c"foo", section "__llvm_prf_names", align 1 + +; MACHO: @__llvm_profile_counters_foo = hidden global [1 x i64] zeroinitializer, section "__DATA,__llvm_prf_cnts", align 8 +; ELF: @__llvm_profile_counters_foo = hidden global [1 x i64] zeroinitializer, section "__llvm_prf_cnts", align 8 + +; MACHO: @__llvm_profile_data_foo = hidden constant {{.*}}, section "__DATA,__llvm_prf_data", align 8 +; ELF: @__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]* @__llvm_profile_name_foo, i32 0, i32 0), i64 0, i32 1, i32 0) + ret void +} + +declare void @llvm.instrprof.increment(i8*, i64, i32, i32) + +;; Emit registration functions for platforms that don't find the +;; symbols by their sections. + +; MACHO-NOT: define internal void @__llvm_profile_register_functions +; ELF: define internal void @__llvm_profile_register_functions + +; MACHO-NOT: define internal void @__llvm_profile_init +; ELF: define internal void @__llvm_profile_init diff --git a/llvm/test/Instrumentation/InstrProfiling/profiling.ll b/llvm/test/Instrumentation/InstrProfiling/profiling.ll new file mode 100644 index 00000000000..246bf6b43f9 --- /dev/null +++ b/llvm/test/Instrumentation/InstrProfiling/profiling.ll @@ -0,0 +1,38 @@ +; RUN: opt < %s -instrprof -S | FileCheck %s + +target triple = "x86_64-apple-macosx10.10.0" + +@__llvm_profile_name_foo = hidden constant [3 x i8] c"foo" +; CHECK: @__llvm_profile_name_foo = hidden constant [3 x i8] c"foo", section "__DATA,__llvm_prf_names", align 1 +@__llvm_profile_name_bar = hidden constant [4 x i8] c"bar\00" +; CHECK: @__llvm_profile_name_bar = hidden constant [4 x i8] c"bar\00", section "__DATA,__llvm_prf_names", align 1 +@baz_prof_name = hidden constant [3 x i8] c"baz" +; CHECK: @baz_prof_name = hidden constant [3 x i8] c"baz", section "__DATA,__llvm_prf_names", align 1 + +; CHECK: @__llvm_profile_counters_foo = hidden global [1 x i64] zeroinitializer, section "__DATA,__llvm_prf_cnts", align 8 +; CHECK: @__llvm_profile_data_foo = hidden constant {{.*}}, section "__DATA,__llvm_prf_data", align 8 +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_bar = hidden global [1 x i64] zeroinitializer, section "__DATA,__llvm_prf_cnts", align 8 +; CHECK: @__llvm_profile_data_bar = hidden constant {{.*}}, section "__DATA,__llvm_prf_data", align 8 +define void @bar() { + call void @llvm.instrprof.increment(i8* getelementptr inbounds ([4 x i8]* @__llvm_profile_name_bar, i32 0, i32 0), i64 0, i32 1, i32 0) + ret void +} + +; CHECK: @__llvm_profile_counters_baz = hidden global [3 x i64] zeroinitializer, section "__DATA,__llvm_prf_cnts", align 8 +; CHECK: @__llvm_profile_data_baz = hidden constant {{.*}}, section "__DATA,__llvm_prf_data", align 8 +define void @baz() { + call void @llvm.instrprof.increment(i8* getelementptr inbounds ([3 x i8]* @baz_prof_name, i32 0, i32 0), i64 0, i32 3, i32 0) + call void @llvm.instrprof.increment(i8* getelementptr inbounds ([3 x i8]* @baz_prof_name, i32 0, i32 0), i64 0, i32 3, i32 1) + call void @llvm.instrprof.increment(i8* getelementptr inbounds ([3 x i8]* @baz_prof_name, i32 0, i32 0), i64 0, i32 3, i32 2) + ret void +} + +declare void @llvm.instrprof.increment(i8*, i64, i32, i32) + +; CHECK: @__llvm_profile_runtime = external global i32 +; CHECK: @llvm.used = appending global {{.*}} @__llvm_profile_data_foo {{.*}} @__llvm_profile_data_bar {{.*}} @__llvm_profile_data_baz {{.*}} section "llvm.metadata" |
