linker-script-symbols-ipo.ll
967 Bytes
; REQUIRES: x86
; RUN: llvm-as %s -o %t1.o
; RUN: llvm-as %S/Inputs/linker-script-symbols-ipo.ll -o %t2.o
; RUN: echo "bar = foo;" > %t.script
;; Check that without linkerscript bar is inlined.
; RUN: ld.lld %t1.o %t2.o -o %t3 -save-temps
; RUN: llvm-objdump -d %t3 | FileCheck %s --check-prefix=IPO
; IPO: Disassembly of section .text:
; IPO: <_start>:
; IPO-NEXT: movl $1, %eax
; IPO-NEXT: retq
;; Check that LTO does not do IPO for symbols assigned by script.
; RUN: ld.lld %t1.o %t2.o -o %t4 --script %t.script -save-temps
; RUN: llvm-objdump -d %t4 | FileCheck %s --check-prefix=NOIPO
; NOIPO: Disassembly of section .text:
; NOIPO: <foo>:
; NOIPO-NEXT: movl $2, %eax
; NOIPO: <_start>:
; NOIPO-NEXT: jmp 0x201160 <foo>
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"
define i32 @bar() {
ret i32 1
}
define i32 @foo() {
ret i32 2
}