File: 2010-04-15-DynAllocBug.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 (18 lines) | stat: -rw-r--r-- 529 bytes parent folder | download | duplicates (23) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
 
; RUN: llc < %s -mtriple=thumbv7-apple-darwin -mcpu=cortex-a8 -arm-atomic-cfg-tidy=0 -O2 | FileCheck %s
; rdar://7493908

; Make sure the result of the first dynamic_alloc isn't copied back to sp more
; than once. We'll deal with poor codegen later.

define void @t() nounwind ssp {
entry:
; CHECK-LABEL: t:
  %size = mul i32 8, 2
; CHECK:  sub.w  r0, sp, #16
; CHECK:  mov sp, r0
  %vla_a = alloca i8, i32 %size, align 8
; CHECK:  sub.w  r0, sp, #16
; CHECK:  mov sp, r0
  %vla_b = alloca i8, i32 %size, align 8
  unreachable
}