Betul Buyukkurt a5be9e3cfb [PGO] Value profiling support
This change introduces an instrumentation intrinsic instruction for
value profiling purposes, the lowering of the instrumentation intrinsic
and raw reader updates. The raw profile data files for llvm-profdata
testing are updated.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@253484 91177308-0d34-0410-b5e6-96231b3b80d8
2015-11-18 18:14:55 +00:00

39 lines
2.1 KiB
LLVM

;; 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=LINUX
; 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
; 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 {{.*}}, section "__DATA,__llvm_prf_data", align 8
; LINUX: @__llvm_profile_data_foo = hidden {{.*}}, section "__llvm_prf_data", align 8
; FREEBSD: @__llvm_profile_data_foo = hidden {{.*}}, section "__llvm_prf_data", align 8
; SOLARIS: @__llvm_profile_data_foo = hidden {{.*}}, 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
}
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
; LINUX-NOT: 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
; FREEBSD-NOT: define internal void @__llvm_profile_init
; SOLARIS: define internal void @__llvm_profile_init