File: optnone-store-no-combine.ll

package info (click to toggle)
llvm-toolchain-18 1%3A18.1.8-18
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,908,340 kB
  • sloc: cpp: 6,667,937; ansic: 1,440,452; asm: 883,619; python: 230,549; objc: 76,880; f90: 74,238; lisp: 35,989; pascal: 16,571; sh: 10,229; perl: 7,459; ml: 5,047; awk: 3,523; makefile: 2,987; javascript: 2,149; xml: 892; fortran: 649; cs: 573
file content (16 lines) | stat: -rw-r--r-- 516 bytes parent folder | download | duplicates (13) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
 
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=riscv64 -verify-machineinstrs < %s | FileCheck %s

; This test verifies that a repeated store is not eliminated with optnone (improves debugging).

define void @foo(ptr %p) noinline optnone {
; CHECK-LABEL: foo:
; CHECK:       # %bb.0:
; CHECK-NEXT:    li a1, 8
; CHECK-NEXT:    sw a1, 0(a0)
; CHECK-NEXT:    sw a1, 0(a0)
; CHECK-NEXT:    ret
  store i32 8, ptr %p, align 4
  store i32 8, ptr %p, align 4
  ret void
}