File: or-or-combine.ll

package info (click to toggle)
llvm-toolchain-21 1%3A21.1.6-3
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 2,245,028 kB
  • sloc: cpp: 7,619,726; ansic: 1,434,018; asm: 1,058,748; python: 252,740; f90: 94,671; objc: 70,685; lisp: 42,813; pascal: 18,401; sh: 8,601; ml: 5,111; perl: 4,720; makefile: 3,675; awk: 3,523; javascript: 2,409; xml: 892; fortran: 770
file content (48 lines) | stat: -rw-r--r-- 1,354 bytes parent folder | download | duplicates (3)
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
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -passes=instcombine < %s | FileCheck %s

; (X | C) | Y --> (X | Y) | C

define i32 @test1(i32 %x, i32 %y) {
; CHECK-LABEL: @test1(
; CHECK-NEXT:    [[INNER:%.*]] = or disjoint i32 [[X:%.*]], [[Y:%.*]]
; CHECK-NEXT:    [[OUTER:%.*]] = or disjoint i32 [[INNER]], 5
; CHECK-NEXT:    ret i32 [[OUTER]]
;
  %inner = or disjoint i32 %x, 5
  %outer = or disjoint i32 %inner, %y
  ret i32 %outer
}

define i32 @test2(i32 %x, i32 %y) {
; CHECK-LABEL: @test2(
; CHECK-NEXT:    [[INNER:%.*]] = or disjoint i32 [[X:%.*]], [[Y:%.*]]
; CHECK-NEXT:    [[OUTER:%.*]] = or i32 [[INNER]], 5
; CHECK-NEXT:    ret i32 [[OUTER]]
;
  %inner = or i32 %x, 5
  %outer = or disjoint i32 %inner, %y
  ret i32 %outer
}

define i32 @test3(i32 %x, i32 %y) {
; CHECK-LABEL: @test3(
; CHECK-NEXT:    [[INNER:%.*]] = or i32 [[X:%.*]], [[Y:%.*]]
; CHECK-NEXT:    [[OUTER:%.*]] = or i32 [[INNER]], 5
; CHECK-NEXT:    ret i32 [[OUTER]]
;
  %inner = or disjoint i32 %x, 5
  %outer = or i32 %inner, %y
  ret i32 %outer
}

define i32 @test4(i32 %x, i32 %y) {
; CHECK-LABEL: @test4(
; CHECK-NEXT:    [[INNER:%.*]] = or i32 [[X:%.*]], [[Y:%.*]]
; CHECK-NEXT:    [[OUTER:%.*]] = or i32 [[INNER]], 5
; CHECK-NEXT:    ret i32 [[OUTER]]
;
  %inner = or i32 %x, 5
  %outer = or i32 %inner, %y
  ret i32 %outer
}