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llvm-mirror/test/ThinLTO/X86/index-const-prop-dead.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

27 lines
889 B
LLVM

; RUN: opt -module-summary %s -o %t1.bc
; RUN: opt -module-summary %p/Inputs/index-const-prop-define-g.ll -o %t2.bc
; RUN: llvm-lto2 run -save-temps %t2.bc -r=%t2.bc,g,pl \
; RUN: %t1.bc -r=%t1.bc,main,plx -r=%t1.bc,foo,pl -r=%t1.bc,g, -o %t3
; RUN: llvm-dis %t3.2.3.import.bc -o - | FileCheck %s
; Dead globals are converted to declarations by ThinLTO in dropDeadSymbols
; If we try to internalize such we'll get a broken module.
; CHECK: @g = external dso_local global i32
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"
@g = external global i32
; We need at least one live symbol to enable dead stripping
; Otherwise ModuleSummaryIndex::isGlobalValueLive will always
; return true.
define i32 @main() {
ret i32 42
}
define i32 @foo() {
%v = load i32, i32* @g
ret i32 %v
}