forked from OSchip/llvm-project
43 lines
1.8 KiB
LLVM
43 lines
1.8 KiB
LLVM
; RUN: opt -module-summary %s -o %t1.bc
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; RUN: opt -module-summary %p/Inputs/index-const-prop-alias.ll -o %t2.bc
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; RUN: llvm-lto2 run %t1.bc -r=%t1.bc,main,plx -r=%t1.bc,ret_ptr,pl -r=%t1.bc,g.alias,l -r=%t1.bc,g,l \
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; RUN: %t2.bc -r=%t2.bc,g,pl -r=%t2.bc,g.alias,pl -save-temps -o %t3
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; RUN: llvm-dis %t3.1.3.import.bc -o - | FileCheck %s --check-prefix=IMPORT
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; RUN: llvm-dis %t3.1.5.precodegen.bc -o - | FileCheck %s --check-prefix=CODEGEN
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; When ret_ptr is preserved we return pointer to alias, so we can't internalize aliasee
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; RUN: llvm-lto2 run %t1.bc -r=%t1.bc,main,plx -r=%t1.bc,ret_ptr,plx -r=%t1.bc,g.alias,l -r=%t1.bc,g,l \
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; RUN: %t2.bc -r=%t2.bc,g,pl -r=%t2.bc,g.alias,pl -save-temps -o %t4
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; RUN: llvm-dis %t4.1.3.import.bc -o - | FileCheck %s --check-prefix=PRESERVED
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; When g.alias is preserved we can't internalize aliasee either
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; RUN: llvm-lto2 run %t1.bc -r=%t1.bc,main,plx -r=%t1.bc,ret_ptr,pl -r=%t1.bc,g.alias,l -r=%t1.bc,g,l \
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; RUN: %t2.bc -r=%t2.bc,g,pl -r=%t2.bc,g.alias,plx -save-temps -o %t5
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; RUN: llvm-dis %t5.1.3.import.bc -o - | FileCheck %s --check-prefix=PRESERVED
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; We currently don't support importing aliases
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; IMPORT: @g.alias = external global i32
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; IMPORT-NEXT: @g = internal global i32 42, align 4 #0
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; IMPORT: attributes #0 = { "thinlto-internalize" }
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; CODEGEN: define dso_local i32 @main
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; CODEGEN-NEXT: ret i32 42
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; PRESERVED: @g.alias = external global i32
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; PRESERVED-NEXT: @g = available_externally global i32 42, align 4
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target datalayout = "e-m:e-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-unknown-linux-gnu"
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@g.alias = external global i32
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@g = external global i32
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define i32 @main() {
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%v = load i32, i32* @g
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ret i32 %v
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}
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define i32* @ret_ptr() {
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ret i32* @g.alias
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}
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