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; RUN: opt %loadPolly -polly-print-ast -disable-output < %s | FileCheck %s
;#define N 20
;#include "limits.h"
;#include <stdio.h>
;int A[N];
;
;void single_do_loop_int_max_iterations() {
; int i;
;
; __sync_synchronize();
;
; i = 0;
;
; do {
; A[0] = i;
; ++i;
; } while (i < INT_MAX);
;
; __sync_synchronize();
;}
;
;int main () {
; int i;
;
; A[0] = 0;
;
; single_do_loop_int_max_iterations();
;
; fprintf(stdout, "Output %d\n", A[0]);
;
; if (A[0] == INT_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"
%struct._IO_FILE = type { i32, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, i32, i32, i64, i16, i8, [1 x i8], ptr, i64, ptr, ptr, ptr, ptr, i64, i32, [20 x i8] }
%struct._IO_marker = type { ptr, ptr, i32 }
@A = common global [20 x i32] zeroinitializer, align 4 ; <ptr> [#uses=1]
@stdout = external global ptr ; <ptr> [#uses=1]
@.str = private constant [11 x i8] c"Output %d\0A\00" ; <ptr> [#uses=1]
define void @single_do_loop_int_max_iterations() nounwind {
entry:
fence seq_cst
br label %do.body
do.body: ; preds = %do.cond, %entry
%0 = phi i32 [ 0, %entry ], [ %inc, %do.cond ] ; <i32> [#uses=2]
store i32 %0, ptr @A
%inc = add nsw i32 %0, 1 ; <i32> [#uses=2]
br label %do.cond
do.cond: ; preds = %do.body
%exitcond = icmp ne i32 %inc, 2147483647 ; <i1> [#uses=1]
br i1 %exitcond, label %do.body, label %do.end
do.end: ; preds = %do.cond
fence seq_cst
ret void
}
define i32 @main() nounwind {
entry:
store i32 0, ptr @A
call void @single_do_loop_int_max_iterations()
%tmp = load ptr, ptr @stdout ; <ptr> [#uses=1]
%tmp1 = load i32, ptr @A ; <i32> [#uses=1]
%call = call i32 (ptr, ptr, ...) @fprintf(ptr %tmp, ptr @.str, i32 %tmp1) ; <i32> [#uses=0]
%tmp2 = load i32, ptr @A ; <i32> [#uses=1]
%cmp = icmp eq i32 %tmp2, 2147483646 ; <i1> [#uses=1]
br i1 %cmp, label %if.then, label %if.else
if.then: ; preds = %entry
br label %return
if.else: ; preds = %entry
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
}
declare i32 @fprintf(ptr, ptr, ...)
; CHECK: for (int c0 = 0; c0 <= 2147483646; c0 += 1)
; CHECK: Stmt_do_body(c0);
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