llvm-mirror/test/ThinLTO/X86/index-const-prop-linkage.ll
Amy Huang 062b5d40cb Reland "Change the X86 datalayout to add three address spaces
for 32 bit signed, 32 bit unsigned, and 64 bit pointers."
This reverts 57076d3199fc2b0af4a3736b7749dd5462cacda5.

Original review at https://reviews.llvm.org/D64931.
Review for added fix at https://reviews.llvm.org/D66843.

llvm-svn: 371568
2019-09-10 23:15:38 +00:00

28 lines
1.1 KiB
LLVM

; RUN: opt -module-summary %s -o %t1.bc
; RUN: opt -module-summary %p/Inputs/index-const-prop-linkage.ll -o %t2.bc
; RUN: llvm-lto2 run -save-temps %t2.bc -r=%t2.bc,foo,pl -r=%t2.bc,g1,pl -r=%t2.bc,g2,pl -r=%t2.bc,g3, \
; RUN: %t1.bc -r=%t1.bc,foo, -r=%t1.bc,main,plx -r=%t1.bc,g2, -o %t3
; RUN: llvm-dis %t3.2.3.import.bc -o - | FileCheck %s
; Check that we never internalize anything with:
; - appending linkage
; - common linkage
; - available_externally linkage
; - reference from @llvm.used
; CHECK: @llvm.used = appending global [1 x i32*] [i32* @g2]
; CHECK-NEXT: @g1 = external dso_local global i32, align 4
; CHECK-NEXT: @g2 = available_externally dso_local global i32 42, align 4
; CHECK-NEXT: @g3 = available_externally global i32 42, align 4
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
declare i32 @foo()
@g2 = external global i32
@llvm.used = appending global [1 x i32*] [i32* @g2]
define i32 @main() {
%v = call i32 @foo()
ret i32 %v
}