File: MallocSROA-section-no-null-opt.ll

package info (click to toggle)
swiftlang 6.1.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 2,791,604 kB
  • sloc: cpp: 9,901,740; ansic: 2,201,431; asm: 1,091,827; python: 308,252; objc: 82,166; f90: 80,126; lisp: 38,358; pascal: 25,559; sh: 20,429; ml: 5,058; perl: 4,745; makefile: 4,484; awk: 3,535; javascript: 3,018; xml: 918; fortran: 664; cs: 573; ruby: 396
file content (33 lines) | stat: -rw-r--r-- 938 bytes parent folder | download | duplicates (16) 
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
 
; RUN: opt -passes=globalopt -S < %s | FileCheck %s
; CHECK: @Y
; CHECK: section ".foo"

%struct.xyz = type { double, i32 }

@Y = internal global ptr null ,section ".foo"            ; <ptr> [#uses=2]
@numf2s = external global i32                     ; <ptr> [#uses=1]

define void @init_net() #0 {
; CHECK-LABEL: init_net(
; CHECK: load i32, ptr @numf2s
; CHECK: call ptr @malloc
; CHECK: store ptr {{.*}}, ptr @Y
entry:
  %0 = load i32, ptr @numf2s, align 4                 ; <i32> [#uses=1]
  %mallocsize2 = shl i32 %0, 4                    ; <i32> [#uses=1]
  %malloccall3 = tail call ptr @malloc(i32 %mallocsize2)  ; <ptr> [#uses=1]
  store ptr %malloccall3, ptr @Y, align 8
  ret void
}

define ptr @load_train() #0 {
; CHECK-LABEL: load_train(
; CHECK: load ptr, ptr @Y
entry:
  %0 = load ptr, ptr @Y, align 8             ; <ptr> [#uses=0]
  ret ptr %0
}

declare noalias ptr @malloc(i32)

attributes #0 = { null_pointer_is_valid }