File: not-prevailing.ll

package info (click to toggle)
llvm-toolchain-15 1%3A15.0.6-4
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,554,644 kB
  • sloc: cpp: 5,922,452; ansic: 1,012,136; asm: 674,362; python: 191,568; objc: 73,855; f90: 42,327; lisp: 31,913; pascal: 11,973; javascript: 10,144; sh: 9,421; perl: 7,447; ml: 5,527; awk: 3,523; makefile: 2,520; xml: 885; cs: 573; fortran: 567
file content (38 lines) | stat: -rw-r--r-- 1,184 bytes parent folder | download | duplicates (19)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
; 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   0x6 <zed+0x6>
; CHECK-NEXT:  {{.*}}  movl    %eax, %ebx
; CHECK-NEXT:  {{.*}}  callq   0xd <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: FUNC    GLOBAL DEFAULT    2 zed
; SYMBOLS: NOTYPE  GLOBAL DEFAULT  UND foo
; SYMBOLS: NOTYPE  GLOBAL DEFAULT  UND bar

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"

$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
}