llvm-project/llvm/test/LTO/Resolution/X86/not-prevailing.ll

39 lines
1.1 KiB
LLVM

; RUN: opt -module-summary %s -o %t1.o
; RUN: opt -module-summary -o %t2.o %S/Inputs/not-prevailing.ll
; RUN: llvm-lto2 run -o %t3.o %t1.o %t2.o -r %t1.o,foo,x -r %t1.o,zed,px -r %t1.o,bar,x \
; RUN: -r %t2.o,bar,x -save-temps
; Check that 'foo' and 'bar' were not inlined.
; CHECK: zed:
; CHECK-NEXT: {{.*}} pushq %rbx
; CHECK-NEXT: {{.*}} callq 0 <zed+0x6>
; CHECK-NEXT: {{.*}} movl %eax, %ebx
; CHECK-NEXT: {{.*}} callq 0 <zed+0xd>
; CHECK-NEXT: {{.*}} movl %ebx, %eax
; CHECK-NEXT: {{.*}} popq %rbx
; CHECK-NEXT: {{.*}} retq
; RUN: llvm-objdump -d %t3.o.1 | FileCheck %s
; RUN: llvm-readelf --symbols %t3.o.1 | FileCheck %s --check-prefix=SYMBOLS
; Check that 'foo' and 'bar' produced as undefined.
; SYMBOLS: NOTYPE GLOBAL DEFAULT UND bar
; SYMBOLS: NOTYPE GLOBAL DEFAULT UND foo
; SYMBOLS: FUNC GLOBAL DEFAULT 2 zed
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
$foo = comdat any
define weak i32 @foo() comdat {
ret i32 65
}
declare void @bar()
define i32 @zed() {
%1 = tail call i32 @foo()
call void @bar()
ret i32 %1
}