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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
18 lines
556 B
LLVM
18 lines
556 B
LLVM
; RUN: opt < %s -globalopt -S | FileCheck %s
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; CHECK-NOT: store
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@llvm.global_ctors = appending global [1 x { i32, void ()*, i8* }] [ { i32, void ()*, i8* } { i32 65535, void ()* @_GLOBAL__I__Z3foov, i8* null } ] ; <[1 x { i32, void ()*, i8* }]*> [#uses=0]
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@X.0 = internal global i32 undef ; <i32*> [#uses=2]
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define i32 @_Z3foov() {
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entry:
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%tmp.1 = load i32, i32* @X.0 ; <i32> [#uses=1]
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ret i32 %tmp.1
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}
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define internal void @_GLOBAL__I__Z3foov() {
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entry:
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store i32 1, i32* @X.0
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ret void
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}
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