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; RUN: opt < %s -mtriple=x86_64-unknown-linux -passes=pgo-instr-gen -do-comdat-renaming=true -S | FileCheck %s
; RUN: opt < %s -mtriple=x86_64-pc-win32-coff -passes=pgo-instr-gen -do-comdat-renaming=true -S | FileCheck %s
; Rename Comdat group and its function.
$f = comdat any
; CHECK: $f.[[SINGLEBB_HASH:[0-9]+]] = comdat any
define linkonce_odr void @f() comdat($f) {
ret void
}
; Not rename Comdat with an alias (an alias is an address-taken user).
$f_with_alias = comdat any
; CHECK: $f_with_alias = comdat any
define linkonce_odr void @f_with_alias() comdat {
ret void
}
@f_alias = alias void (), ptr @f_with_alias
; Not rename Comdat with right linkage.
$nf = comdat any
; CHECK: $nf = comdat any
define void @nf() comdat($nf) {
ret void
}
; Not rename Comdat with variable members.
$f_with_var = comdat any
; CHECK: $f_with_var = comdat any
@var = global i32 0, comdat($f_with_var)
define linkonce_odr void @f_with_var() comdat($f_with_var) {
%tmp = load i32, ptr @var, align 4
%inc = add nsw i32 %tmp, 1
store i32 %inc, ptr @var, align 4
ret void
}
; Not rename Comdat with multiple functions.
$tf = comdat any
; CHECK: $tf = comdat any
define linkonce void @tf() comdat($tf) {
ret void
}
define linkonce void @tf2() comdat($tf) {
ret void
}
; Rename AvailableExternallyLinkage functions
; CHECK-DAG: $aef.[[SINGLEBB_HASH]] = comdat any
; CHECK: @f = weak alias void (), ptr @f.[[SINGLEBB_HASH]]
; CHECK: @aef = weak alias void (), ptr @aef.[[SINGLEBB_HASH]]
define available_externally void @aef() {
; CHECK: define linkonce_odr void @aef.[[SINGLEBB_HASH]]() comdat {
ret void
}
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