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243da175c1
Summary: LTO and ThinLTO optimizes the IR differently. One source of differences is the amount of internalizations that can happen. Add an option to enable/disable internalization so that other differences can be studied in isolation. e.g. inlining. There are other things lto and thinlto do differently, I will add flags to enable/disable them as needed. Reviewers: tejohnson, pcc, steven_wu Subscribers: mehdi_amini, inglorion, steven_wu, dexonsmith, dang, llvm-commits Differential Revision: https://reviews.llvm.org/D53294 llvm-svn: 346140
58 lines
2.5 KiB
LLVM
58 lines
2.5 KiB
LLVM
; RUN: opt -module-summary %s -o %t1.bc
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; RUN: llvm-lto -thinlto-action=thinlink -o %t.index.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: 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: 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-OPTION-DISABLE: define void @foo
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; INTERNALIZE-OPTION-DISABLE: define void @bar
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; INTERNALIZE-OPTION-DISABLE: define linkonce void @linkonce_func()
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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-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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target datalayout = "e-m:o-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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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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