File: sdiv-1.ll

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-12
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,496,180 kB
  • sloc: cpp: 5,593,972; ansic: 986,872; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,538; xml: 953; cs: 573; fortran: 567
file content (31 lines) | stat: -rw-r--r-- 667 bytes parent folder | download | duplicates (11)
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
27
28
29
30
31
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -instcombine -inline -S | FileCheck %s
; PR3142

define i32 @a(i32 %X) {
; CHECK-LABEL: @a(
; CHECK-NEXT:    [[T0:%.*]] = sub i32 0, [[X:%.*]]
; CHECK-NEXT:    [[T1:%.*]] = sdiv i32 [[T0]], -3
; CHECK-NEXT:    ret i32 [[T1]]
;
  %t0 = sub i32 0, %X
  %t1 = sdiv i32 %t0, -3
  ret i32 %t1
}

define i32 @b(i32 %X) {
; CHECK-LABEL: @b(
; CHECK-NEXT:    ret i32 715827882
;
  %t0 = call i32 @a(i32 -2147483648)
  ret i32 %t0
}

define i32 @c(i32 %X) {
; CHECK-LABEL: @c(
; CHECK-NEXT:    ret i32 715827882
;
  %t0 = sub i32 0, -2147483648
  %t1 = sdiv i32 %t0, -3
  ret i32 %t1
}