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| ; RUN: opt %loadPolly -polly-ast -S -analyze < %s | FileCheck %s
; XFAIL: *
;#define N 20
;#include "limits.h"
;
;int main () {
; int i;
; int A[N];
;
; A[0] = 1;
;
; __sync_synchronize();
;
; i = 0;
;
; do {
; A[0] = 0;
; ++i;
; } while (i < 1);
;
; __sync_synchronize();
;
; if (A[0] == 0)
; 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"
define i32 @main() nounwind {
entry:
%A = alloca [20 x i32], align 4 ; <[20 x i32]*> [#uses=3]
%arraydecay = getelementptr inbounds [20 x i32], [20 x i32]* %A, i32 0, i32 0 ; <i32*> [#uses=1]
%arrayidx = getelementptr inbounds i32, i32* %arraydecay, i64 0 ; <i32*> [#uses=1]
store i32 1, i32* %arrayidx
fence seq_cst
br label %do.body
do.body: ; preds = %do.cond, %entry
%arraydecay1 = getelementptr inbounds [20 x i32], [20 x i32]* %A, i32 0, i32 0 ; <i32*> [#uses=1]
%arrayidx2 = getelementptr inbounds i32, i32* %arraydecay1, i64 0 ; <i32*> [#uses=1]
store i32 0, i32* %arrayidx2
br label %do.cond
do.cond: ; preds = %do.body
br i1 false, label %do.body, label %do.end
do.end: ; preds = %do.cond
fence seq_cst
%arraydecay4 = getelementptr inbounds [20 x i32], [20 x i32]* %A, i32 0, i32 0 ; <i32*> [#uses=1]
%arrayidx5 = getelementptr inbounds i32, i32* %arraydecay4, i64 0 ; <i32*> [#uses=1]
%tmp6 = load i32, i32* %arrayidx5 ; <i32> [#uses=1]
%cmp7 = icmp eq i32 %tmp6, 0 ; <i1> [#uses=1]
br i1 %cmp7, 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: S0(0)
|