llvm-project

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; RUN: opt %loadNPMPolly '-passes=print<polly-ast>' -disable-output < %s | FileCheck %s
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;#include <string.h>
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;#define N 1024
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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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;  memset(A, 0, sizeof(int) * N);
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;
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;  for (i = 0; i < N; i++) {
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;    A[i] = 1;
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;  }
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;
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;  for (i = 0; i < N; i++)
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;    if (A[i] != 1)
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;      return 1;
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;
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;  return 0;
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;}
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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 [1024 x i32], align 4               ; <ptr> [#uses=3]
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  %arraydecay = getelementptr inbounds [1024 x i32], ptr %A, i32 0, i32 0 ; <ptr> [#uses=1]
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  call void @llvm.memset.p0.i64(ptr %arraydecay, i8 0, i64 4096, i32 1, i1 false)
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  br label %for.cond
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for.cond:                                         ; preds = %for.inc, %entry
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  %indvar1 = phi i64 [ %indvar.next2, %for.inc ], [ 0, %entry ] ; <i64> [#uses=3]
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  %arrayidx = getelementptr [1024 x i32], ptr %A, i64 0, i64 %indvar1 ; <ptr> [#uses=1]
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  %exitcond = icmp ne i64 %indvar1, 1024          ; <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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  store i32 1, ptr %arrayidx
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  br label %for.inc
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for.inc:                                          ; preds = %for.body
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  %indvar.next2 = add i64 %indvar1, 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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  br label %for.cond5
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for.cond5:                                        ; preds = %for.inc07, %for.end
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  %indvar = phi i64 [ %indvar.next, %for.inc07 ], [ 0, %for.end ] ; <i64> [#uses=3]
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  %arrayidx13 = getelementptr [1024 x i32], ptr %A, i64 0, i64 %indvar ; <ptr> [#uses=1]
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  %i.1 = trunc i64 %indvar to i32                 ; <i32> [#uses=1]
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  %cmp7 = icmp slt i32 %i.1, 1024                 ; <i1> [#uses=1]
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  br i1 %cmp7, label %for.body9, label %for.end20
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for.body9:                                        ; preds = %for.cond5
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  %tmp14 = load i32, ptr %arrayidx13                  ; <i32> [#uses=1]
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  %cmp15 = icmp ne i32 %tmp14, 1                  ; <i1> [#uses=1]
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  br i1 %cmp15, label %if.then, label %if.end
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if.then:                                          ; preds = %for.body9
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  br label %return
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if.end:                                           ; preds = %for.body9
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  br label %for.inc07
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for.inc07:                                        ; preds = %if.end
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  %indvar.next = add i64 %indvar, 1               ; <i64> [#uses=1]
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  br label %for.cond5
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for.end20:                                        ; preds = %for.cond5
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  br label %return
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return:                                           ; preds = %for.end20, %if.then
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  %retval.0 = phi i32 [ 1, %if.then ], [ 0, %for.end20 ] ; <i32> [#uses=1]
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  ret i32 %retval.0
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}
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declare void @llvm.memset.p0.i64(ptr nocapture, i8, i64, i32, i1) nounwind
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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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