55 lines
1.4 KiB
LLVM
55 lines
1.4 KiB
LLVM
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; RUN: mlir-translate -import-llvm -split-input-file %s | FileCheck %s
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; CHECK: llvm.comdat @__llvm_global_comdat {
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; CHECK: llvm.comdat_selector @foo any
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$foo = comdat any
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; CHECK: }
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; CHECK: llvm.mlir.global external @foo(42 : i64) comdat(@__llvm_global_comdat::@foo)
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@foo = global i64 42, comdat
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; CHECK: llvm.mlir.global external @bar(42 : i64) comdat(@__llvm_global_comdat::@foo)
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@bar = global i64 42, comdat($foo)
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; // -----
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; CHECK: llvm.comdat @__llvm_global_comdat {
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; CHECK: llvm.comdat_selector @foo any
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$foo = comdat any
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; CHECK: }
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; CHECK: llvm.func @foo() comdat(@__llvm_global_comdat::@foo)
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define void @foo() comdat {
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ret void
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}
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; CHECK: llvm.func @bar() comdat(@__llvm_global_comdat::@foo)
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define void @bar() comdat($foo) {
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ret void
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}
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; // -----
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; CHECK: llvm.comdat @__llvm_global_comdat {
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; CHECK: llvm.comdat_selector @exact exactmatch
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$exact = comdat exactmatch
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; CHECK: llvm.comdat_selector @largest largest
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$largest = comdat largest
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; CHECK: llvm.comdat_selector @nodedup nodeduplicate
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$nodedup = comdat nodeduplicate
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; CHECK: llvm.comdat_selector @same samesize
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$same = comdat samesize
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; CHECK: }
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@exact = global i64 42, comdat
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@largest = global i64 42, comdat
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@nodedup = global i64 42, comdat
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@same = global i64 42, comdat
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; // -----
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; Verify a global comdat operation is only created if there are comdats to import.
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; CHECK-NOT: llvm.comdat
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; CHECK: llvm.mlir.global external @foobar
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; CHECK-NOT: llvm.comdat
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@foobar = global i64 42
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