File: pr96366.ll

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.6-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,304 kB
  • sloc: cpp: 7,438,677; ansic: 1,393,822; asm: 1,012,926; python: 241,650; f90: 86,635; objc: 75,479; lisp: 42,144; pascal: 17,286; sh: 10,027; ml: 5,082; perl: 4,730; awk: 3,523; makefile: 3,349; javascript: 2,251; xml: 892; fortran: 672
file content (25 lines) | stat: -rw-r--r-- 759 bytes parent folder | download | duplicates (9) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
 
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
; RUN: llc < %s -mtriple=aarch64 | FileCheck %s

declare void @use(i32)

define i32 @f(i32 %x) nounwind {
; CHECK-LABEL: f:
; CHECK:       // %bb.0:
; CHECK-NEXT:    stp x30, x19, [sp, #-16]! // 16-byte Folded Spill
; CHECK-NEXT:    mov w19, w0
; CHECK-NEXT:    neg w0, w0
; CHECK-NEXT:    bl use
; CHECK-NEXT:    mov w8, #4 // =0x4
; CHECK-NEXT:    sub w0, w8, w19
; CHECK-NEXT:    ldp x30, x19, [sp], #16 // 16-byte Folded Reload
; CHECK-NEXT:    ret
  %sub1 = sub nuw i32 0, %x
  call void @use(i32 %sub1)
  %sub2 = sub i32 1, %x
  %sub3 = sub i32 3, %x
  %mul = mul i32 %x, 1
  %add1 = add i32 %sub2, %mul
  %add2 = add i32 %add1, %sub3
  ret i32 %add2
}