Mercurial > hg > CbC > CbC_llvm

annotate llvm/test/Transforms/GlobalOpt/null-check-is-use-pr35760.ll @ 207:2e18cbf3894f

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
LLVM12
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Tue, 08 Jun 2021 06:07:14 +0900
parents 0572611fdcc8
children 5f20bc1ed4ff
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
173
0572611fdcc8 reorgnization done
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
1 ; RUN: opt -S -globalopt -o - < %s | FileCheck %s
0572611fdcc8 reorgnization done
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
2
0572611fdcc8 reorgnization done
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
3 target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
0572611fdcc8 reorgnization done
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
4 target triple = "x86_64-unknown-linux-gnu"
0572611fdcc8 reorgnization done
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
5
0572611fdcc8 reorgnization done
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
6 @_ZL3g_i = internal global i32* null, align 8
0572611fdcc8 reorgnization done
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
7 @.str = private unnamed_addr constant [2 x i8] c"0\00", align 1
0572611fdcc8 reorgnization done
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
8 @.str.1 = private unnamed_addr constant [2 x i8] c"1\00", align 1
0572611fdcc8 reorgnization done
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
9
0572611fdcc8 reorgnization done
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
10 define dso_local i32 @main() {
0572611fdcc8 reorgnization done
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
11 store i32* null, i32** @_ZL3g_i, align 8
0572611fdcc8 reorgnization done
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
12 call void @_ZL13PutsSomethingv()
0572611fdcc8 reorgnization done
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
13 ret i32 0
0572611fdcc8 reorgnization done
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
14 }
0572611fdcc8 reorgnization done
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
15
0572611fdcc8 reorgnization done
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
16 ; CHECK-LABEL: define {{.*}} @_ZL13PutsSomethingv()
0572611fdcc8 reorgnization done
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
17 ; CHECK: [[gvLoad:%.*]] = load i32*, i32** @_ZL3g_i
0572611fdcc8 reorgnization done
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
18 ; CHECK-NEXT: icmp eq i32* [[gvLoad]], null
0572611fdcc8 reorgnization done
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
19 define internal void @_ZL13PutsSomethingv() {
0572611fdcc8 reorgnization done
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
20 %1 = load i32*, i32** @_ZL3g_i, align 8
0572611fdcc8 reorgnization done
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
21 %2 = icmp eq i32* %1, null
0572611fdcc8 reorgnization done
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
22 br i1 %2, label %3, label %7
0572611fdcc8 reorgnization done
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
23
0572611fdcc8 reorgnization done
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
24 3: ; preds = %0
0572611fdcc8 reorgnization done
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
25 %4 = call noalias i8* @malloc(i64 4) #3
0572611fdcc8 reorgnization done
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
26 %5 = bitcast i8* %4 to i32*
0572611fdcc8 reorgnization done
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
27 store i32* %5, i32** @_ZL3g_i, align 8
0572611fdcc8 reorgnization done
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
28 %6 = call i32 @puts(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i64 0, i64 0))
0572611fdcc8 reorgnization done
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
29 br label %9
0572611fdcc8 reorgnization done
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
30
0572611fdcc8 reorgnization done
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
31 7: ; preds = %0
0572611fdcc8 reorgnization done
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
32 %8 = call i32 @puts(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
0572611fdcc8 reorgnization done
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
33 br label %9
0572611fdcc8 reorgnization done
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
34
0572611fdcc8 reorgnization done
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
35 9: ; preds = %7, %3
0572611fdcc8 reorgnization done
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
36 ret void
0572611fdcc8 reorgnization done
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
37 }
0572611fdcc8 reorgnization done
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
38
0572611fdcc8 reorgnization done
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
39 declare dso_local noalias i8* @malloc(i64)
0572611fdcc8 reorgnization done
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
40
0572611fdcc8 reorgnization done
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
41 declare dso_local i32 @puts(i8* nocapture readonly)