llvm-mirror/global-ctors-2.ll at 2a569d1f8e20cc91d4d451d2a2e3211d4b875a46 - llvm-mirror - Git.je (Gitea)

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Fangrui Song 7cb7bfede4 [IR] Disallow llvm.global_ctors and llvm.global_dtors of the 2-field form in textual format

The 3-field form was introduced by D3499 in 2014 and the legacy 2-field
form was planned to be removed in LLVM 4.0

For the textual format, this patch migrates the existing 2-field form to
use the 3-field form and deletes the compatibility code.
test/Verifier/global-ctors-2.ll checks we have a friendly error message.

For bitcode, lib/IR/AutoUpgrade UpgradeGlobalVariables will upgrade the
2-field form (add i8* null as the third field).

Reviewed By: rnk, dexonsmith

Differential Revision: https://reviews.llvm.org/D61547

llvm-svn: 360742

2019-05-15 02:35:32 +00:00

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 ; RUN: not llvm-as %s -o /dev/null 2>&1 | FileCheck %s
 @llvm.global_ctors = appending global [1 x { i32, void()* } ] [
   { i32, void()* } { i32 65535, void ()* null }
 ]
 ; CHECK: the third field of the element type is mandatory, specify i8* null to migrate from the obsoleted 2-field form