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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
56 lines
1.4 KiB
LLVM
56 lines
1.4 KiB
LLVM
; RUN: opt -S -objc-arc-apelim < %s | FileCheck %s
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; rdar://10227311
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@llvm.global_ctors = appending global [2 x { i32, void ()*, i8* }] [{ i32, void ()*, i8* } { i32 65535, void ()* @_GLOBAL__I_x, i8* null }, { i32, void ()*, i8* } { i32 65535, void ()* @_GLOBAL__I_y, i8* null }]
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@x = global i32 0
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declare i32 @bar() nounwind
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define i32 @foo() nounwind {
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entry:
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ret i32 5
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}
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define internal void @__cxx_global_var_init() {
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entry:
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%call = call i32 @foo()
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store i32 %call, i32* @x, align 4
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ret void
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}
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define internal void @__dxx_global_var_init() {
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entry:
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%call = call i32 @bar()
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store i32 %call, i32* @x, align 4
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ret void
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}
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; CHECK: define internal void @_GLOBAL__I_x() {
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; CHECK-NOT: @objc
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; CHECK: }
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define internal void @_GLOBAL__I_x() {
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entry:
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%0 = call i8* @llvm.objc.autoreleasePoolPush() nounwind
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call void @__cxx_global_var_init()
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call void @llvm.objc.autoreleasePoolPop(i8* %0) nounwind
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ret void
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}
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; CHECK: define internal void @_GLOBAL__I_y() {
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; CHECK: %0 = call i8* @llvm.objc.autoreleasePoolPush() [[NUW:#[0-9]+]]
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; CHECK: call void @llvm.objc.autoreleasePoolPop(i8* %0) [[NUW]]
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; CHECK: }
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define internal void @_GLOBAL__I_y() {
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entry:
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%0 = call i8* @llvm.objc.autoreleasePoolPush() nounwind
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call void @__dxx_global_var_init()
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call void @llvm.objc.autoreleasePoolPop(i8* %0) nounwind
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ret void
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}
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declare i8* @llvm.objc.autoreleasePoolPush()
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declare void @llvm.objc.autoreleasePoolPop(i8*)
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; CHECK: attributes #0 = { nounwind }
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