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
60
61
62
63
64
65
66
67
68
|
; RUN: opt %loadPolly -polly-print-ast -disable-output < %s | FileCheck %s
; RUN: opt %loadPolly -polly-codegen < %s
;#define N 20
;#include "limits.h"
;long long A[N];
;
;int main () {
; long long i;
;
; A[0] = 0;
;
; __sync_synchronize();
;
; i = 0;
;
; do {
; A[0] = i;
; ++i;
; } while (i < LLONG_MAX);
;
; __sync_synchronize();
;
; if (A[0] == LLONG_MAX - 1)
; return 0;
; else
; return 1;
;}
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
@A = common global [20 x i64] zeroinitializer, align 8 ; <ptr> [#uses=1]
define i32 @main() nounwind {
entry:
store i64 0, ptr @A
fence seq_cst
br label %do.body
do.body: ; preds = %do.cond, %entry
%0 = phi i64 [ 0, %entry ], [ %inc, %do.cond ] ; <i64> [#uses=2]
store i64 %0, ptr @A
%inc = add nsw i64 %0, 1 ; <i64> [#uses=2]
br label %do.cond
do.cond: ; preds = %do.body
%exitcond = icmp ne i64 %inc, 9223372036854775807 ; <i1> [#uses=1]
br i1 %exitcond, label %do.body, label %do.end
do.end: ; preds = %do.cond
fence seq_cst
%tmp3 = load i64, ptr @A ; <i64> [#uses=1]
%cmp4 = icmp eq i64 %tmp3, 9223372036854775806 ; <i1> [#uses=1]
br i1 %cmp4, label %if.then, label %if.else
if.then: ; preds = %do.end
br label %return
if.else: ; preds = %do.end
br label %return
return: ; preds = %if.else, %if.then
%retval.0 = phi i32 [ 0, %if.then ], [ 1, %if.else ] ; <i32> [#uses=1]
ret i32 %retval.0
}
; CHECK: for (int c0 = 0; c0 <= 9223372036854775806; c0 += 1)
; CHECK: Stmt_do_body(c0);
|
