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e9043f8a26
This recommits cc0b9647b76178bc3869bbfff80535ad86366472 which was reverted in d39d1a2f87aca3cfabe58ecfa5146879baa70096. I added a fix for an issue found when testing via distributed ThinLTO, and added a test case for that failure.
38 lines
1.3 KiB
LLVM
38 lines
1.3 KiB
LLVM
; Make sure LTO succeeds even if %t.bc contains a GlobalVariable F and
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; %t2.bc cointains a Function F with the same GUID.
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;
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; RUN: opt -module-summary %s -o %t.bc
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; RUN: opt -module-summary %p/Inputs/guid_collision.ll -o %t2.bc
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; RUN: llvm-lto2 run %t.bc %t2.bc -o %t.out -save-temps \
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; RUN: -r=%t.bc,H,px -r=%t.bc,G, -r=%t2.bc,G,px
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; RUN: llvm-dis -o - %t.out.1.3.import.bc | FileCheck %s
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; RUN: llvm-lto2 run %t.bc %t2.bc -o %t.out -thinlto-distributed-indexes \
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; RUN: -r=%t.bc,H,px -r=%t.bc,G, -r=%t2.bc,G,px
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; RUN: opt -function-import -import-all-index -summary-file %t.bc.thinlto.bc %t.bc -o %t.out
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; RUN: llvm-dis -o - %t.out | FileCheck %s
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; Sanity check that G was imported
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; CHECK: define available_externally i64 @G
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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-pc-linux-gnu"
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; The source for the GUID for this symbol will be -:F
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source_filename = "-"
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@F = internal constant i8 0
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; Provide a global that has the same name as one from the module we import G
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; from, to test handling of a global variable with an entry in the distributed
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; index but not with a copy in the source module (since we can't import
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; appending linkage globals).
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@llvm.global_ctors = appending global [0 x { i32, void ()*, i8* }] zeroinitializer
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define i64 @H() {
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call i64 @G()
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ret i64 0
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}
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declare i64 @G()
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