File: dag-combine-counter.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 (26 lines) | stat: -rw-r--r-- 665 bytes parent folder | download 
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
26
 
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 4
; RUN: llc -mtriple=x86_64-- -debug-counter=dagcombine-count=6 < %s | FileCheck %s

; REQUIRES: asserts

define i32 @test(i32 %x) {
; CHECK-LABEL: test:
; CHECK:       # %bb.0:
; CHECK-NEXT:    movl %edi, %eax
; CHECK-NEXT:    retq
  %y = add i32 %x, 1
  %z = sub i32 %y, 1
  ret i32 %z
}

define i32 @test2(i32 %x) {
; CHECK-LABEL: test2:
; CHECK:       # %bb.0:
; CHECK-NEXT:    # kill: def $edi killed $edi def $rdi
; CHECK-NEXT:    leal 1(%rdi), %eax
; CHECK-NEXT:    subl $1, %eax
; CHECK-NEXT:    retq
  %y = add i32 %x, 1
  %z = sub i32 %y, 1
  ret i32 %z
}