File: evaluate-bitcast.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 (28 lines) | stat: -rw-r--r-- 967 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
 
; RUN: opt -passes=globalopt,instcombine %s -S -o - | FileCheck %s

; Static constructor should have been optimized out
; CHECK:       i32 @main
; CHECK-NEXT:     ret i32 69905
; CHECK-NOT:   _GLOBAL__sub_I_main.cpp

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

%struct.S = type { ptr }
%struct.A = type { i64, i64 }

@s = internal local_unnamed_addr global %struct.S zeroinitializer, align 8
@llvm.global_ctors = appending global [1 x { i32, ptr, ptr }] [{ i32, ptr, ptr } { i32 65535, ptr @_GLOBAL__sub_I_main.cpp, ptr null }]
@gA = available_externally dso_local local_unnamed_addr global ptr inttoptr (i64 69905 to ptr), align 8

define dso_local i32 @main() local_unnamed_addr {
  %1 = load i64, ptr @s, align 8
  %2 = trunc i64 %1 to i32
  ret i32 %2
}

define internal void @_GLOBAL__sub_I_main.cpp() section ".text.startup" {
  %1 = load i64, ptr @gA, align 8
  store i64 %1, ptr @s, align 8
  ret void
}