File: integer-bool.ll

package info (click to toggle)
llvm-toolchain-13 1%3A13.0.1-6~deb11u1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 1,418,812 kB
  • sloc: cpp: 5,290,827; ansic: 996,570; asm: 544,593; python: 188,212; objc: 72,027; lisp: 30,291; f90: 25,395; sh: 24,900; javascript: 9,780; pascal: 9,398; perl: 7,484; ml: 5,432; awk: 3,523; makefile: 2,892; xml: 953; cs: 573; fortran: 539
file content (28 lines) | stat: -rw-r--r-- 565 bytes parent folder | download | duplicates (22) 
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
 
; RUN: opt < %s -S -globalopt -instcombine | FileCheck %s
;; check that global opt turns integers that only hold 0 or 1 into bools.

@G = internal addrspace(1) global i32 0
; CHECK: @G
; CHECK: addrspace(1)
; CHECK: global i1 false

define void @set1() {
  store i32 0, i32 addrspace(1)* @G
; CHECK: store i1 false
  ret void
}

define void @set2() {
  store i32 1, i32 addrspace(1)* @G
; CHECK: store i1 true
  ret void
}

define i1 @get() {
; CHECK-LABEL: @get(
  %A = load i32, i32 addrspace(1) * @G
  %C = icmp slt i32 %A, 2
  ret i1 %C
; CHECK: ret i1 true
}