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41fba3c107
This patchs adds a new metadata kind `exclude` which implies that the global variable should be given the necessary flags during code generation to not be included in the final executable. This is done using the ``SHF_EXCLUDE`` flag on ELF for example. This should make it easier to specify this flag on a variable without needing to explicitly check the section name in the target backend. Depends on D129053 D129052 Reviewed By: jdoerfert Differential Revision: https://reviews.llvm.org/D129151
20 lines
963 B
LLVM
20 lines
963 B
LLVM
; RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm \
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; RUN: -fembed-offload-object=%S/Inputs/empty.h \
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; RUN: -fembed-offload-object=%S/Inputs/empty.h -x ir %s -o - \
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; RUN: | FileCheck %s -check-prefix=CHECK
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; CHECK: @[[OBJECT_1:.+]] = private constant [0 x i8] zeroinitializer, section ".llvm.offloading", align 8, !exclude
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; CHECK: @[[OBJECT_2:.+]] = private constant [0 x i8] zeroinitializer, section ".llvm.offloading", align 8, !exclude
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; CHECK: @llvm.compiler.used = appending global [3 x ptr] [ptr @x, ptr @[[OBJECT_1]], ptr @[[OBJECT_2]]], section "llvm.metadata"
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@x = private constant i8 1
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@llvm.compiler.used = appending global [1 x ptr] [ptr @x], section "llvm.metadata"
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define i32 @foo() {
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ret i32 0
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}
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; CHECK: !llvm.embedded.objects = !{![[METADATA_1:[0-9]+]], ![[METADATA_2:[0-9]+]]}
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; CHECK: ![[METADATA_1]] = !{ptr @[[OBJECT_1]], !".llvm.offloading"}
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; CHECK: ![[METADATA_2]] = !{ptr @[[OBJECT_2]], !".llvm.offloading"}
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