llvm-project/llvm/test/Transforms/PGOProfile/comdat_rename.ll

60 lines
2.0 KiB
LLVM

; RUN: opt < %s -mtriple=x86_64-unknown-linux -pgo-instr-gen -S | FileCheck --check-prefixes COMMON,ELFONLY %s
; RUN: opt < %s -mtriple=x86_64-unknown-linux -passes=pgo-instr-gen -S | FileCheck --check-prefixes COMMON,ELFONLY %s
; RUN: opt < %s -mtriple=x86_64-pc-win32-coff -pgo-instr-gen -S | FileCheck --check-prefixes COMMON,COFFONLY %s
; RUN: opt < %s -mtriple=x86_64-pc-win32-coff -passes=pgo-instr-gen -S | FileCheck --check-prefixes COMMON,COFFONLY %s
; Rename Comdat group and its function.
$f = comdat any
; COMMON: $f.[[SINGLEBB_HASH:[0-9]+]] = comdat any
define linkonce_odr void @f() comdat($f) {
ret void
}
; Not rename Comdat with right linkage.
$nf = comdat any
; COMMON: $nf = comdat any
define void @nf() comdat($nf) {
ret void
}
; Not rename Comdat with variable members.
$f_with_var = comdat any
; COMMON: $f_with_var = comdat any
@var = global i32 0, comdat($f_with_var)
define linkonce_odr void @f_with_var() comdat($f_with_var) {
%tmp = load i32, i32* @var, align 4
%inc = add nsw i32 %tmp, 1
store i32 %inc, i32* @var, align 4
ret void
}
; Not rename Comdat with multiple functions.
$tf = comdat any
; COMMON: $tf = comdat any
define linkonce void @tf() comdat($tf) {
ret void
}
define linkonce void @tf2() comdat($tf) {
ret void
}
; Renaming Comdat with aliases.
$f_with_alias = comdat any
; COMMON: $f_with_alias.[[SINGLEBB_HASH]] = comdat any
@af = alias void (...), bitcast (void ()* @f_with_alias to void (...)*)
; COFFONLY: @af.[[SINGLEBB_HASH]] = alias void (...), bitcast (void ()* @f_with_alias.[[SINGLEBB_HASH]] to
; ELFONLY-DAG: @af.[[SINGLEBB_HASH]] = alias void (...), bitcast (void ()* @f_with_alias.[[SINGLEBB_HASH]] to
define linkonce_odr void @f_with_alias() comdat($f_with_alias) {
ret void
}
; Rename AvailableExternallyLinkage functions
; ELFONLY-DAG: $aef.[[SINGLEBB_HASH]] = comdat any
define available_externally void @aef() {
; ELFONLY: define linkonce_odr void @aef.[[SINGLEBB_HASH]]() comdat {
; COFFONLY: define available_externally void @aef() {
ret void
}