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Instead of computing GUID based on some assumption about symbol mangling rule from IRName to symbol name, lookup the IRName from all the symtabs from all the input files to see if there are any matching symbols entry provides the IRName for GUID computation. rdar://65853754 Reviewed By: mehdi_amini Differential Revision: https://reviews.llvm.org/D84803
87 lines
4.0 KiB
LLVM
87 lines
4.0 KiB
LLVM
; RUN: opt -module-summary %s -o %t1.bc
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; RUN: opt -module-summary %p/Inputs/internalize.ll -o %t2.bc
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; Link in %t2.bc first to force its copy of @weak_func_nonprevailing as
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; prevailing the %t1.bc copy as non-prevailing.
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; RUN: llvm-lto -thinlto-action=thinlink -o %t.index.bc %t2.bc %t1.bc
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; RUN: llvm-lto -thinlto-action=internalize -thinlto-index %t.index.bc %t1.bc -o - | llvm-dis -o - | FileCheck %s --check-prefix=REGULAR
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; RUN: llvm-lto -thinlto-action=internalize -thinlto-index %t.index.bc %t1.bc -o - --exported-symbol=_foo | llvm-dis -o - | FileCheck %s --check-prefix=INTERNALIZE
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; Test the enable-lto-internalization option by setting it to false.
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; This makes sure indices are not marked as internallinkage and therefore
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; internalization does not happen.
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; RUN: llvm-lto -thinlto-action=internalize -thinlto-index %t.index.bc %t1.bc \
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; RUN: -enable-lto-internalization=false --exported-symbol=_foo
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; RUN: llvm-dis < %t1.bc.thinlto.internalized.bc | FileCheck %s --check-prefix=INTERNALIZE-OPTION-DISABLE
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; RUN: llvm-lto2 run %t1.bc -o %t.o -save-temps \
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; RUN: -r=%t1.bc,_foo,pxl \
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; RUN: -r=%t1.bc,_bar,pl \
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; RUN: -r=%t1.bc,_linkonce_func,pl \
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; RUN: -r=%t1.bc,_weak_func_prevailing,pl \
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; RUN: -r=%t1.bc,_alias1,plx \
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; RUN: -r=%t1.bc,_weak_func_nonprevailing,l
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; RUN: llvm-dis < %t.o.1.2.internalize.bc | FileCheck %s --check-prefix=INTERNALIZE2
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; Test the enable-lto-internalization option by setting it to false.
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; This makes sure indices are not marked as internallinkage and therefore
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; internalization does not happen.
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; RUN: llvm-lto2 run %t1.bc -o %t.o -save-temps -enable-lto-internalization=false \
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; RUN: -r=%t1.bc,_foo,pxl \
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; RUN: -r=%t1.bc,_bar,pl \
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; RUN: -r=%t1.bc,_linkonce_func,pl \
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; RUN: -r=%t1.bc,_weak_func_prevailing,pl \
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; RUN: -r=%t1.bc,_alias1,plx \
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; RUN: -r=%t1.bc,_weak_func_nonprevailing,l
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; RUN: llvm-dis < %t.o.1.2.internalize.bc | FileCheck %s --check-prefix=INTERNALIZE2-OPTION-DISABLE
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; REGULAR: define void @foo
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; REGULAR: define void @bar
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; REGULAR: define linkonce void @linkonce_func()
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; INTERNALIZE: define void @foo
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; INTERNALIZE: define internal void @bar
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; INTERNALIZE: define internal void @linkonce_func()
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; INTERNALIZE: define internal void @weak_func_prevailing()
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; INTERNALIZE: define weak void @weak_func_nonprevailing()
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; INTERNALIZE-OPTION-DISABLE: define void @foo
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; INTERNALIZE-OPTION-DISABLE: define void @bar
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; INTERNALIZE-OPTION-DISABLE: define weak void @linkonce_func()
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; INTERNALIZE-OPTION-DISABLE: define weak void @weak_func_prevailing()
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; INTERNALIZE-OPTION-DISABLE: define weak void @weak_func_nonprevailing()
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; INTERNALIZE2: define dso_local void @foo
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; INTERNALIZE2: define internal void @bar
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; INTERNALIZE2: define internal void @linkonce_func()
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; INTERNALIZE2: define internal void @weak_func_prevailing()
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; INTERNALIZE2: define weak dso_local void @weak_func_nonprevailing()
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; INTERNALIZE2-OPTION-DISABLE: define dso_local void @foo
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; INTERNALIZE2-OPTION-DISABLE: define dso_local void @bar
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; INTERNALIZE2-OPTION-DISABLE: define weak dso_local void @linkonce_func()
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; INTERNALIZE2-OPTION-DISABLE: define weak dso_local void @weak_func_prevailing()
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; INTERNALIZE2-OPTION-DISABLE: define weak dso_local void @weak_func_nonprevailing()
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target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.11.0"
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define void @foo() {
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call void @bar()
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ret void
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}
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define void @bar() {
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call void @linkonce_func()
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call void @weak_func_prevailing()
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call void @weak_func_nonprevailing()
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ret void
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}
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define linkonce void @linkonce_func() {
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ret void
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}
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define weak void @weak_func_prevailing() {
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ret void
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}
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; Make @weak_func_nonprevailing an aliasee to ensure it is still marked
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; live and kept as a definition even when non-prevailing. We want to ensure
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; this definition is not internalized.
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@alias1 = hidden alias void (), void ()* @weak_func_nonprevailing
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define weak void @weak_func_nonprevailing() {
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ret void
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}
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