Mercurial > hg > CbC > CbC_llvm

comparison test/Transforms/InstCombine/toascii-1.ll @ 0:95c75e76d11b LLVM3.4

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
LLVM 3.4
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Thu, 12 Dec 2013 13:56:28 +0900
parents
children
comparison
equal deleted inserted replaced
-1:000000000000 0:95c75e76d11b
1 ; Test that the toascii library call simplifier works correctly.
2 ;
3 ; RUN: opt < %s -instcombine -S | FileCheck %s
4
5 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"
6
7 declare i32 @toascii(i32)
8
9 ; Check isascii(c) -> c & 0x7f.
10
11 define i32 @test_simplify1() {
12 ; CHECK-LABEL: @test_simplify1(
13 %ret = call i32 @toascii(i32 0)
14 ret i32 %ret
15 ; CHECK-NEXT: ret i32 0
16 }
17
18 define i32 @test_simplify2() {
19 ; CHECK-LABEL: @test_simplify2(
20 %ret = call i32 @toascii(i32 1)
21 ret i32 %ret
22 ; CHECK-NEXT: ret i32 1
23 }
24
25 define i32 @test_simplify3() {
26 ; CHECK-LABEL: @test_simplify3(
27 %ret = call i32 @toascii(i32 127)
28 ret i32 %ret
29 ; CHECK-NEXT: ret i32 127
30 }
31
32 define i32 @test_simplify4() {
33 ; CHECK-LABEL: @test_simplify4(
34 %ret = call i32 @toascii(i32 128)
35 ret i32 %ret
36 ; CHECK-NEXT: ret i32 0
37 }
38
39 define i32 @test_simplify5() {
40 ; CHECK-LABEL: @test_simplify5(
41 %ret = call i32 @toascii(i32 255)
42 ret i32 %ret
43 ; CHECK-NEXT: ret i32 127
44 }
45
46 define i32 @test_simplify6() {
47 ; CHECK-LABEL: @test_simplify6(
48 %ret = call i32 @toascii(i32 256)
49 ret i32 %ret
50 ; CHECK-NEXT: ret i32 0
51 }
52
53 define i32 @test_simplify7(i32 %x) {
54 ; CHECK-LABEL: @test_simplify7(
55 %ret = call i32 @toascii(i32 %x)
56 ; CHECK-NEXT: [[AND:%[a-z0-9]+]] = and i32 %x, 127
57 ret i32 %ret
58 ; CHECK-NEXT: ret i32 [[AND]]
59 }