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bfea7bc2f8
This is similar to r322317, but for visibility. It is not as neat because we have to special case extern_weak. The idea is the same as the previous change, make the transition to explicit dso_local easier for the frontends. With this they only have to add dso_local to symbols where we need some external information to decide if it is dso_local (like it being part of an ELF executable). llvm-svn: 322806
41 lines
1.8 KiB
LLVM
41 lines
1.8 KiB
LLVM
; Test handling when two files with the same source file name contain
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; static functions with the same name (which will have the same GUID
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; in the combined index.
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; Do setup work for all below tests: generate bitcode and combined index
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; RUN: opt -module-summary -module-hash %s -o %t.bc
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; RUN: opt -module-summary -module-hash %p/Inputs/local_name_conflict1.ll -o %t2.bc
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; RUN: opt -module-summary -module-hash %p/Inputs/local_name_conflict2.ll -o %t3.bc
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; RUN: llvm-lto -thinlto-action=thinlink -o %t4.bc %t.bc %t2.bc %t3.bc
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; This module will import b() which should cause the copy of foo from
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; that module (%t3.bc) to be imported. Check that the imported reference's
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; promoted name matches the imported copy.
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; RUN: llvm-lto -thinlto-action=import %t.bc -thinlto-index=%t4.bc -o - | llvm-dis -o - | FileCheck %s --check-prefix=IMPORT
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; IMPORT: call i32 @foo.llvm.[[HASH:[0-9]+]]
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; IMPORT: define available_externally hidden i32 @foo.llvm.[[HASH]]()
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; The copy in %t2.bc should not be exported/promoted/renamed
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; RUN: llvm-lto -thinlto-action=promote %t2.bc -thinlto-index=%t4.bc -o - | llvm-dis -o - | FileCheck %s --check-prefix=NOEXPORTSTATIC
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; NOEXPORTSTATIC: define internal i32 @foo()
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; Make sure foo is promoted and renamed without complaint in %t3.bc.
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; RUN: llvm-lto -thinlto-action=promote %t3.bc -thinlto-index=%t4.bc -o - | llvm-dis -o - | FileCheck %s --check-prefix=EXPORTSTATIC
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; EXPORTSTATIC: define hidden i32 @foo.llvm.
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; ModuleID = 'local_name_conflict_main.o'
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source_filename = "local_name_conflict_main.c"
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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; Function Attrs: noinline nounwind uwtable
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define i32 @main() {
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entry:
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%retval = alloca i32, align 4
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store i32 0, i32* %retval, align 4
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%call = call i32 (...) @b()
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ret i32 %call
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}
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declare i32 @b(...)
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