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