27 lines
879 B
LLVM
27 lines
879 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 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
|
||
|
|
}
|