forked from OSchip/llvm-project
73 lines
2.4 KiB
LLVM
73 lines
2.4 KiB
LLVM
; RUN: opt %loadPolly %defaultOpts -polly-cloog-scop -S -analyze < %s | FileCheck %s
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; XFAIL: *
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;#include "limits.h"
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;#define N 20
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;
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;int main () {
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; unsigned long long i;
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; unsigned long long A[N];
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;
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; A[0] = 0;
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;
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; __sync_synchronize();
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;
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; for (i = 0; i < ULLONG_MAX; i++)
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; A[0] = i;
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;
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; __sync_synchronize();
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;
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; if (A[0] == ULLONG_MAX - 1)
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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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target triple = "x86_64-unknown-linux-gnu"
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define i32 @main() nounwind {
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entry:
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%A = alloca [20 x i64], align 8 ; <[20 x i64]*> [#uses=3]
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%arraydecay = getelementptr inbounds [20 x i64]* %A, i32 0, i32 0 ; <i64*> [#uses=1]
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%arrayidx = getelementptr inbounds i64* %arraydecay, i64 0 ; <i64*> [#uses=1]
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store i64 0, i64* %arrayidx
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fence seq_cst
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br label %for.cond
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for.cond: ; preds = %for.inc, %entry
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%0 = phi i64 [ 0, %entry ], [ %inc, %for.inc ] ; <i64> [#uses=3]
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%exitcond = icmp ne i64 %0, -1 ; <i1> [#uses=1]
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br i1 %exitcond, label %for.body, label %for.end
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for.body: ; preds = %for.cond
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%arraydecay2 = getelementptr inbounds [20 x i64]* %A, i32 0, i32 0 ; <i64*> [#uses=1]
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%arrayidx3 = getelementptr inbounds i64* %arraydecay2, i64 0 ; <i64*> [#uses=1]
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store i64 %0, i64* %arrayidx3
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br label %for.inc
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for.inc: ; preds = %for.body
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%inc = add i64 %0, 1 ; <i64> [#uses=1]
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br label %for.cond
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for.end: ; preds = %for.cond
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fence seq_cst
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%arraydecay5 = getelementptr inbounds [20 x i64]* %A, i32 0, i32 0 ; <i64*> [#uses=1]
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%arrayidx6 = getelementptr inbounds i64* %arraydecay5, i64 0 ; <i64*> [#uses=1]
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%tmp7 = load i64* %arrayidx6 ; <i64> [#uses=1]
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%cmp8 = icmp eq i64 %tmp7, -2 ; <i1> [#uses=1]
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br i1 %cmp8, label %if.then, label %if.else
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if.then: ; preds = %for.end
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br label %return
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if.else: ; preds = %for.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:for (c2=0;
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