forked from OSchip/llvm-project
59 lines
1.8 KiB
LLVM
59 lines
1.8 KiB
LLVM
; RUN: opt %loadPolly -polly-ast -polly-allow-nonaffine -analyze < %s | FileCheck %s
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;#include <stdio.h>
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;#include <stdlib.h>
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;#include <math.h>
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;
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;int main()
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;{
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; int A[1024*1024];
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; int i;
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; for (i = 0; i < 1024; i++)
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; A[i*i] = 2*i;
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;
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; printf("Random Value: %d", A[rand() % 1024*1024]);
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;
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; return 0;
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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-S128"
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@.str = private unnamed_addr constant [17 x i8] c"Random Value: %d\00", align 1
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define i32 @main() nounwind uwtable ssp {
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entry:
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%A = alloca [1048576 x i32], align 16
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br label %entry.split
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entry.split: ; preds = %entry
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br label %for.body
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for.body: ; preds = %entry.split, %for.body
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%0 = phi i32 [ 0, %entry.split ], [ %1, %for.body ]
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%mul = mul i32 %0, 2
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%mul1 = mul nsw i32 %0, %0
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%idxprom1 = zext i32 %mul1 to i64
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%arrayidx = getelementptr inbounds [1048576 x i32], [1048576 x i32]* %A, i64 0, i64 %idxprom1
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store i32 %mul, i32* %arrayidx, align 4
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%1 = add nsw i32 %0, 1
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%exitcond = icmp ne i32 %1, 1024
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br i1 %exitcond, label %for.body, label %for.end
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for.end: ; preds = %for.body
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%call = call i32 @rand() nounwind
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%rem = srem i32 %call, 1024
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%mul2 = shl nsw i32 %rem, 10
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%idxprom3 = sext i32 %mul2 to i64
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%arrayidx4 = getelementptr inbounds [1048576 x i32], [1048576 x i32]* %A, i64 0, i64 %idxprom3
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%2 = load i32, i32* %arrayidx4, align 16
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%call5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([17 x i8], [17 x i8]* @.str, i64 0, i64 0), i32 %2) nounwind
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ret i32 0
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}
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declare i32 @printf(i8*, ...)
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declare i32 @rand()
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; CHECK: for (int c0 = 0; c0 <= 1023; c0 += 1)
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; CHECK: Stmt_for_body(c0);
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