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c94da20917
Summary: DataLayout keeps the string used for its creation. As a side effect it is no longer needed in the Module. This is "almost" NFC, the string is no longer canonicalized, you can't rely on two "equals" DataLayout having the same string returned by getStringRepresentation(). Get rid of DataLayoutPass: the DataLayout is in the Module The DataLayout is "per-module", let's enforce this by not duplicating it more than necessary. One more step toward non-optionality of the DataLayout in the module. Make DataLayout Non-Optional in the Module Module->getDataLayout() will never returns nullptr anymore. Reviewers: echristo Subscribers: resistor, llvm-commits, jholewinski Differential Revision: http://reviews.llvm.org/D7992 From: Mehdi Amini <mehdi.amini@apple.com> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231270 91177308-0d34-0410-b5e6-96231b3b80d8
36 lines
1.6 KiB
LLVM
36 lines
1.6 KiB
LLVM
; RUN: opt < %s -globalopt -S | FileCheck %s
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; rdar://12580965.
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; ObjC++ test case.
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%struct.ButtonInitData = type { i8* }
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@_ZL14buttonInitData = internal global [1 x %struct.ButtonInitData] zeroinitializer, align 4
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@"\01L_OBJC_METH_VAR_NAME_40" = internal global [7 x i8] c"print:\00", section "__TEXT,__objc_methname,cstring_literals", align 1
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@"\01L_OBJC_SELECTOR_REFERENCES_41" = internal externally_initialized global i8* getelementptr inbounds ([7 x i8]* @"\01L_OBJC_METH_VAR_NAME_40", i32 0, i32 0), section "__DATA, __objc_selrefs, literal_pointers, no_dead_strip"
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@llvm.global_ctors = appending global [1 x { i32, void ()* }] [{ i32, void ()* } { i32 65535, void ()* @_GLOBAL__I_a }]
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@llvm.used = appending global [2 x i8*] [i8* getelementptr inbounds ([7 x i8]* @"\01L_OBJC_METH_VAR_NAME_40", i32 0, i32 0), i8* bitcast (i8** @"\01L_OBJC_SELECTOR_REFERENCES_41" to i8*)]
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define internal void @__cxx_global_var_init() section "__TEXT,__StaticInit,regular,pure_instructions" {
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%1 = load i8*, i8** @"\01L_OBJC_SELECTOR_REFERENCES_41", !invariant.load !2009
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store i8* %1, i8** getelementptr inbounds ([1 x %struct.ButtonInitData]* @_ZL14buttonInitData, i32 0, i32 0, i32 0), align 4
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ret void
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}
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define internal void @_GLOBAL__I_a() section "__TEXT,__StaticInit,regular,pure_instructions" {
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call void @__cxx_global_var_init()
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ret void
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}
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declare void @test(i8*)
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define void @print() {
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; CHECK: %1 = load i8*, i8** @_ZL14buttonInitData.0.0, align 4
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%1 = load i8*, i8** getelementptr inbounds ([1 x %struct.ButtonInitData]* @_ZL14buttonInitData, i32 0, i32 0, i32 0), align 4
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call void @test(i8* %1)
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ret void
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}
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!2009 = !{}
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