File: toascii-1.ll

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,998,520 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (59 lines) | stat: -rw-r--r-- 1,373 bytes parent folder | download | duplicates (13)
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
49
50
51
52
53
54
55
56
57
58
59
; Test that the toascii library call simplifier works correctly.
;
; RUN: opt < %s -passes=instcombine -S | FileCheck %s

target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"

declare i32 @toascii(i32)

; Check isascii(c) -> c & 0x7f.

define i32 @test_simplify1() {
; CHECK-LABEL: @test_simplify1(
  %ret = call i32 @toascii(i32 0)
  ret i32 %ret
; CHECK-NEXT: ret i32 0
}

define i32 @test_simplify2() {
; CHECK-LABEL: @test_simplify2(
  %ret = call i32 @toascii(i32 1)
  ret i32 %ret
; CHECK-NEXT: ret i32 1
}

define i32 @test_simplify3() {
; CHECK-LABEL: @test_simplify3(
  %ret = call i32 @toascii(i32 127)
  ret i32 %ret
; CHECK-NEXT: ret i32 127
}

define i32 @test_simplify4() {
; CHECK-LABEL: @test_simplify4(
  %ret = call i32 @toascii(i32 128)
  ret i32 %ret
; CHECK-NEXT: ret i32 0
}

define i32 @test_simplify5() {
; CHECK-LABEL: @test_simplify5(
  %ret = call i32 @toascii(i32 255)
  ret i32 %ret
; CHECK-NEXT: ret i32 127
}

define i32 @test_simplify6() {
; CHECK-LABEL: @test_simplify6(
  %ret = call i32 @toascii(i32 256)
  ret i32 %ret
; CHECK-NEXT: ret i32 0
}

define i32 @test_simplify7(i32 %x) {
; CHECK-LABEL: @test_simplify7(
  %ret = call i32 @toascii(i32 %x)
; CHECK-NEXT: [[AND:%[a-z0-9]+]] = and i32 %x, 127
  ret i32 %ret
; CHECK-NEXT: ret i32 [[AND]]
}