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