File: micromips-atomic.ll

package info (click to toggle)
llvm-toolchain-3.8 1%3A3.8.1-24
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 379,280 kB
  • ctags: 388,501
  • sloc: cpp: 2,309,705; ansic: 477,070; objc: 100,918; asm: 97,974; python: 95,911; sh: 18,634; makefile: 7,294; perl: 5,584; ml: 5,460; pascal: 4,661; lisp: 2,548; xml: 686; cs: 350; php: 212; csh: 117
file content (18 lines) | stat: -rw-r--r-- 562 bytes parent folder | download | duplicates (7)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
; RUN: llc %s -march=mipsel -mcpu=mips32r2 -mattr=micromips -filetype=asm \
; RUN: -relocation-model=pic -o - | FileCheck %s

@x = common global i32 0, align 4

define i32 @AtomicLoadAdd32(i32 %incr) nounwind {
entry:
  %0 = atomicrmw add i32* @x, i32 %incr monotonic
  ret i32 %0

; CHECK-LABEL:   AtomicLoadAdd32:
; CHECK:   lw      $[[R0:[0-9]+]], %got(x)
; CHECK:   $[[BB0:[A-Z_0-9]+]]:
; CHECK:   ll      $[[R1:[0-9]+]], 0($[[R0]])
; CHECK:   addu    $[[R2:[0-9]+]], $[[R1]], $4
; CHECK:   sc      $[[R2]], 0($[[R0]])
; CHECK:   beqzc   $[[R2]], $[[BB0]]
}