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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
60 lines
1.6 KiB
LLVM
60 lines
1.6 KiB
LLVM
; RUN: opt -globalopt -S -o - < %s | FileCheck %s
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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declare {}* @llvm.invariant.start.p0i8(i64 %size, i8* nocapture %ptr)
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define void @test1(i8* %ptr) {
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call {}* @llvm.invariant.start.p0i8(i64 4, i8* %ptr)
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ret void
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}
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@object1 = global i32 0
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; CHECK: @object1 = constant i32 -1
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define void @ctor1() {
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store i32 -1, i32* @object1
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%A = bitcast i32* @object1 to i8*
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call void @test1(i8* %A)
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ret void
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}
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@object2 = global i32 0
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; CHECK: @object2 = global i32 0
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define void @ctor2() {
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store i32 -1, i32* @object2
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%A = bitcast i32* @object2 to i8*
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%B = call {}* @llvm.invariant.start.p0i8(i64 4, i8* %A)
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%C = bitcast {}* %B to i8*
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ret void
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}
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@object3 = global i32 0
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; CHECK: @object3 = global i32 -1
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define void @ctor3() {
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store i32 -1, i32* @object3
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%A = bitcast i32* @object3 to i8*
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call {}* @llvm.invariant.start.p0i8(i64 3, i8* %A)
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ret void
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}
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@object4 = global i32 0
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; CHECK: @object4 = global i32 -1
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define void @ctor4() {
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store i32 -1, i32* @object4
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%A = bitcast i32* @object4 to i8*
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call {}* @llvm.invariant.start.p0i8(i64 -1, i8* %A)
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ret void
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}
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@llvm.global_ctors = appending constant
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[4 x { i32, void ()*, i8* }]
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[ { i32, void ()*, i8* } { i32 65535, void ()* @ctor1, i8* null },
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{ i32, void ()*, i8* } { i32 65535, void ()* @ctor2, i8* null },
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{ i32, void ()*, i8* } { i32 65535, void ()* @ctor3, i8* null },
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{ i32, void ()*, i8* } { i32 65535, void ()* @ctor4, i8* null } ]
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