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InstrProf: Test for appropriate linkage of the profiling structures

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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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230383 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Justin Bogner 2015-02-24 21:42:42 +00:00
parent 8f475e9d77
commit 564b4a8e3e
1 changed files with 46 additions and 0 deletions
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test/Instrumentation/InstrProfiling/linkage.ll Normal file
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;; 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: }