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TheRock/compiler/amd-llvm/llvm/test/Transforms/GlobalOpt/preserve-comdats.ll
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

38 lines
1.1 KiB
LLVM

; RUN: opt -passes=globalopt -S < %s | FileCheck %s
$comdat_global = comdat any
@comdat_global = weak_odr global i8 0, comdat($comdat_global)
@simple_global = internal global i8 0
; CHECK: @comdat_global = weak_odr global i8 0, comdat{{$}}
; CHECK: @simple_global = internal global i8 42
@llvm.global_ctors = appending global [2 x { i32, ptr, ptr }] [
{ i32, ptr, ptr } { i32 65535, ptr @init_comdat_global, ptr @comdat_global },
{ i32, ptr, ptr } { i32 65535, ptr @init_simple_global, ptr null }
]
; CHECK: @llvm.global_ctors = appending global [1 x { i32, ptr, ptr }]
; CHECK: [{ i32, ptr, ptr } { i32 65535, ptr @init_comdat_global, ptr @comdat_global }]
define void @init_comdat_global() {
store i8 42, ptr @comdat_global
ret void
}
; CHECK: define void @init_comdat_global()
define internal void @init_simple_global() comdat($comdat_global) {
store i8 42, ptr @simple_global
ret void
}
; CHECK-NOT: @init_simple_global()
define ptr @use_simple() {
ret ptr @simple_global
}
; CHECK: define ptr @use_simple()
define ptr @use_comdat() {
ret ptr @comdat_global
}
; CHECK: define ptr @use_comdat()