File: evaluate-bitcast-3.ll

package info (click to toggle)
llvm-toolchain-16 1%3A16.0.6-15~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,634,792 kB
  • sloc: cpp: 6,179,261; ansic: 1,216,205; asm: 741,319; python: 196,614; objc: 75,325; f90: 49,640; lisp: 32,396; pascal: 12,286; sh: 9,394; perl: 7,442; ml: 5,494; awk: 3,523; makefile: 2,723; javascript: 1,206; xml: 886; fortran: 581; cs: 573
file content (41 lines) | stat: -rw-r--r-- 1,355 bytes parent folder | download | duplicates (12)
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
39
40
41
; RUN: opt < %s -passes=globalopt -S | FileCheck %s

; Test the evaluation of a load via a bitcast and a store via a GEP.
; Check that globals are constant folded to the correct value.

; CHECK: @u = dso_local local_unnamed_addr global %union.A { ptr inttoptr (i64 12345 to ptr) }, align 8
; CHECK: @l = dso_local local_unnamed_addr global i64 12345, align 8

target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%union.A = type { ptr }

$_ZN1AC2Ex = comdat any

@u = dso_local global %union.A zeroinitializer, align 8
@l = dso_local global i64 0, align 8
@llvm.global_ctors = appending global [1 x { i32, ptr, ptr }] [{ i32, ptr, ptr } { i32 65535, ptr @_GLOBAL__sub_I_test.cpp, ptr null }]

define internal void @__cxx_global_var_init() section ".text.startup" {
  call void @_ZN1AC2Ex(ptr @u, i64 12345)
  ret void
}

define linkonce_odr dso_local void @_ZN1AC2Ex(ptr %this, i64 %ll) unnamed_addr comdat align 2 {
  %l = inttoptr i64 %ll to ptr
  store ptr %l, ptr %this
  ret void
}

define internal void @__cxx_global_var_init.1() section ".text.startup" {
  %1 = load i64, ptr @u, align 8
  store i64 %1, ptr @l, align 8
  ret void
}

define internal void @_GLOBAL__sub_I_test.cpp() section ".text.startup" {
  call void @__cxx_global_var_init()
  call void @__cxx_global_var_init.1()
  ret void
}