File: 2002-05-01-ShouldNotPromoteThisAlloca.ll

package info (click to toggle)
swiftlang 6.0.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 2,519,992 kB
  • sloc: cpp: 9,107,863; ansic: 2,040,022; asm: 1,135,751; python: 296,500; objc: 82,456; f90: 60,502; lisp: 34,951; pascal: 19,946; sh: 18,133; perl: 7,482; ml: 4,937; javascript: 4,117; makefile: 3,840; awk: 3,535; xml: 914; fortran: 619; cs: 573; ruby: 573
file content (19 lines) | stat: -rw-r--r-- 590 bytes parent folder | download | duplicates (14) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
 
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; This input caused the mem2reg pass to die because it was trying to promote
; the %r alloca, even though it is invalid to do so in this case!
;
; RUN: opt < %s -passes=mem2reg -S | FileCheck %s

define void @test() {
; CHECK-LABEL: @test(
; CHECK-NEXT:    [[R:%.*]] = alloca i32, align 4
; CHECK-NEXT:    store i32 4, ptr [[R]], align 4
; CHECK-NEXT:    store ptr [[R]], ptr null, align 8
; CHECK-NEXT:    ret void
;
  %r = alloca i32		; <ptr> [#uses=2]
  store i32 4, ptr %r
  store ptr %r, ptr null
  ret void
}