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In order to make comdats always explicit in the IR, we decided to make the syntax a bit more compact for the case of a GlobalObject in a comdat with the same name. Just dropping the $name causes problems for @foo = globabl i32 0, comdat $bar = comdat ... and declare void @foo() comdat $bar = comdat ... So the syntax is changed to @g1 = globabl i32 0, comdat($c1) @g2 = globabl i32 0, comdat and declare void @foo() comdat($c1) declare void @foo() comdat git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@225302 91177308-0d34-0410-b5e6-96231b3b80d8
38 lines
1.1 KiB
LLVM
38 lines
1.1 KiB
LLVM
; RUN: opt -globalopt -S < %s | FileCheck %s
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$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, void ()*, i8* }] [
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{ i32, void ()*, i8* } { i32 65535, void ()* @init_comdat_global, i8* @comdat_global },
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{ i32, void ()*, i8* } { i32 65535, void ()* @init_simple_global, i8* null }
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]
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; CHECK: @llvm.global_ctors = appending global [1 x { i32, void ()*, i8* }]
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; CHECK: [{ i32, void ()*, i8* } { i32 65535, void ()* @init_comdat_global, i8* @comdat_global }]
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define void @init_comdat_global() {
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store i8 42, i8* @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, i8* @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 i8* @use_simple() {
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ret i8* @simple_global
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}
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; CHECK: define i8* @use_simple()
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define i8* @use_comdat() {
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ret i8* @comdat_global
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}
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; CHECK: define i8* @use_comdat()
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