File: 2002-05-01-ShouldNotPromoteThisAlloca.ll

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,998,520 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (19 lines) | stat: -rw-r--r-- 590 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
 
; 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
}