llvm/test/Instrumentation/InstrProfiling/linkage.ll
Xinliang David Li 0f324db0db [profile] Fix runtime hook linkage bug for COFF
Patch by: Johan Engelen

the user hook has linkonceODR linkage and it needs to be
in comdatAny group.




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270596 91177308-0d34-0410-b5e6-96231b3b80d8
2016-05-24 18:47:38 +00:00

65 lines
3.4 KiB
LLVM

;; Check that runtime symbols get appropriate linkage.
; RUN: opt < %s -mtriple=x86_64-apple-macosx10.10.0 -instrprof -S | FileCheck %s --check-prefix=OTHER --check-prefix=COMMON
; RUN: opt < %s -mtriple=x86_64-unknown-linux -instrprof -S | FileCheck %s --check-prefix=LINUX --check-prefix=COMMON
; RUN: opt < %s -mtriple=x86_64-apple-macosx10.10.0 -passes=instrprof -S | FileCheck %s --check-prefix=OTHER --check-prefix=COMMON
; RUN: opt < %s -mtriple=x86_64-unknown-linux -passes=instrprof -S | FileCheck %s --check-prefix=LINUX --check-prefix=COMMON
; RUN: opt < %s -mtriple=x86_64-pc-win32-coff -instrprof -S | FileCheck %s --check-prefix=COFF
; RUN: opt < %s -mtriple=x86_64-pc-win32-coff -passes=instrprof -S | FileCheck %s --check-prefix=COFF
@__profn_foo = hidden constant [3 x i8] c"foo"
@__profn_foo_weak = weak hidden constant [8 x i8] c"foo_weak"
@"__profn_linkage.ll:foo_internal" = internal constant [23 x i8] c"linkage.ll:foo_internal"
@__profn_foo_inline = linkonce_odr hidden constant [10 x i8] c"foo_inline"
@__profn_foo_extern = linkonce_odr hidden constant [10 x i8] c"foo_extern"
; COMMON: @__profc_foo = hidden global
; COMMON: @__profd_foo = hidden global
define void @foo() {
call void @llvm.instrprof.increment(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @__profn_foo, i32 0, i32 0), i64 0, i32 1, i32 0)
ret void
}
; COMMON: @__profc_foo_weak = weak hidden global
; COMMON: @__profd_foo_weak = weak hidden global
define weak void @foo_weak() {
call void @llvm.instrprof.increment(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @__profn_foo_weak, i32 0, i32 0), i64 0, i32 1, i32 0)
ret void
}
; COMMON: @"__profc_linkage.ll:foo_internal" = internal global
; COMMON: @"__profd_linkage.ll:foo_internal" = internal global
define internal void @foo_internal() {
call void @llvm.instrprof.increment(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @"__profn_linkage.ll:foo_internal", i32 0, i32 0), i64 0, i32 1, i32 0)
ret void
}
; COMMON: @__profc_foo_inline = linkonce_odr hidden global
; COMMON: @__profd_foo_inline = linkonce_odr hidden global
define linkonce_odr void @foo_inline() {
call void @llvm.instrprof.increment(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @__profn_foo_inline, i32 0, i32 0), i64 0, i32 1, i32 0)
ret void
}
; LINUX: @__profc_foo_extern = linkonce_odr hidden global {{.*}}section "__llvm_prf_cnts", comdat($__profv_foo_extern), align 8
; LINUX: @__profd_foo_extern = linkonce_odr hidden global {{.*}}section "__llvm_prf_data", comdat($__profv_foo_extern), align 8
; OTHER: @__profc_foo_extern = linkonce_odr hidden global
; OTHER: @__profd_foo_extern = linkonce_odr hidden global
define available_externally void @foo_extern() {
call void @llvm.instrprof.increment(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @__profn_foo_extern, i32 0, i32 0), i64 0, i32 1, i32 0)
ret void
}
declare void @llvm.instrprof.increment(i8*, i64, i32, i32)
; OTHER: @__llvm_profile_runtime = external global i32
; LINUX-NOT: @__llvm_profile_runtime = external global i32
; OTHER: define linkonce_odr hidden i32 @__llvm_profile_runtime_user() {{.*}} {
; OTHER: %[[REG:.*]] = load i32, i32* @__llvm_profile_runtime
; OTHER: ret i32 %[[REG]]
; OTHER: }
; COFF: define linkonce_odr hidden i32 @__llvm_profile_runtime_user() {{.*}} comdat {
; LINUX-NOT: define linkonce_odr hidden i32 @__llvm_profile_runtime_user() {{.*}} {
; LINUX-NOT: %[[REG:.*]] = load i32, i32* @__llvm_profile_runtime