File: globals-import-blockaddr.ll

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.8-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,388 kB
  • sloc: cpp: 7,438,767; ansic: 1,393,871; asm: 1,012,926; python: 241,728; f90: 86,635; objc: 75,411; lisp: 42,144; pascal: 17,286; sh: 10,027; ml: 5,082; perl: 4,730; awk: 3,523; makefile: 3,349; javascript: 2,251; xml: 892; fortran: 672
file content (26 lines) | stat: -rw-r--r-- 1,005 bytes parent folder | download | duplicates (23) 
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
 
; RUN: opt -module-summary %s -o %t1.bc
; RUN: opt -module-summary %p/Inputs/globals-import-blockaddr.ll -o %t2.bc
; RUN: llvm-lto2 run -save-temps %t1.bc -r=%t1.bc,foo,l -r=%t1.bc,bar,l -r=%t1.bc,main,pl %t2.bc -r=%t2.bc,foo,pl -r=%t2.bc,bar,pl -o %t3
; RUN: llvm-dis %t3.1.3.import.bc -o - | FileCheck %s

; Verify that we haven't imported GV containing blockaddress
; CHECK: @label_addr.llvm.0 = external hidden constant
; Verify that bar is not imported since it has address-taken block that is target of indirect branch
; CHECK: declare ptr @bar()
; Verify that foo is imported
; CHECK: available_externally ptr @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"

declare dso_local ptr @foo();
declare dso_local ptr @bar();

define dso_local i32 @main() {
  %p1 = call ptr @foo()
  %p2 = call ptr @bar()
  %v1 = ptrtoint ptr %p1 to i32
  %v2 = ptrtoint ptr %p2 to i32
  %v3 = add i32 %v1, %v2
  ret i32 %v3
}