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