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; RUN: opt %loadPolly -polly-print-dependences -disable-output < %s | FileCheck %s
;
; CHECK: RAW dependences:
; CHECK-NEXT: { Stmt_S1[i0] -> Stmt_S2[i0, i0] : 0 <= i0 <= 98; Stmt_S2[i0, i0] -> Stmt_S3[i0] : 0 <= i0 <= 98; Stmt_S3[i0] -> Stmt_S2[o0, i0] : i0 >= 0 and i0 < o0 <= 98; Stmt_S2[i0, i1] -> Stmt_S1[i1] : i0 >= 0 and i0 < i1 <= 98 }
; CHECK-NEXT: WAR dependences:
; CHECK-NEXT: { Stmt_S1[i0] -> Stmt_S2[i0, i0] : 0 <= i0 <= 98; Stmt_S2[i0, i0] -> Stmt_S3[i0] : 0 <= i0 <= 98; Stmt_S3[i0] -> Stmt_S2[o0, i0] : i0 >= 0 and i0 < o0 <= 98; Stmt_S2[i0, i1] -> Stmt_S1[i1] : i0 >= 0 and i0 < i1 <= 98 }
; CHECK-NEXT: WAW dependences:
; CHECK-NEXT: { Stmt_S1[i0] -> Stmt_S2[i0, i0] : 0 <= i0 <= 98; Stmt_S2[i0, i0] -> Stmt_S3[i0] : 0 <= i0 <= 98; Stmt_S3[i0] -> Stmt_S2[o0, i0] : i0 >= 0 and i0 < o0 <= 98; Stmt_S2[i0, i1] -> Stmt_S1[i1] : i0 >= 0 and i0 < i1 <= 98 }
; CHECK-NEXT: Reduction dependences:
; CHECK-NEXT: { Stmt_S2[i0, i1] -> Stmt_S2[1 + i0, i1] : (i0 >= 0 and 2 + i0 <= i1 <= 99) or (i0 <= 97 and 0 <= i1 < i0) }
;
; void f(int *sum) {
; for (int i = 0; i < 99; i++) {
; S1: sum[i] += 42;
; for (int j = 0; j < 100; j++)
; S2: sum[j] += i * j;
; S3: sum[i] += 7;
; }
; }
;
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S64"
define void @f(i32* %sum) {
entry:
br label %for.cond
for.cond: ; preds = %for.inc8, %entry
%i.0 = phi i32 [ 0, %entry ], [ %inc9, %for.inc8 ]
%exitcond1 = icmp ne i32 %i.0, 99
br i1 %exitcond1, label %for.body, label %for.end10
for.body: ; preds = %for.cond
br label %S1
S1: ; preds = %for.body
%arrayidx = getelementptr inbounds i32, i32* %sum, i32 %i.0
%tmp = load i32, i32* %arrayidx, align 4
%add = add nsw i32 %tmp, 42
store i32 %add, i32* %arrayidx, align 4
br label %for.cond1
for.cond1: ; preds = %for.inc, %S1
%j.0 = phi i32 [ 0, %S1 ], [ %inc, %for.inc ]
%exitcond = icmp ne i32 %j.0, 100
br i1 %exitcond, label %for.body3, label %for.end
for.body3: ; preds = %for.cond1
br label %S2
S2: ; preds = %for.body3
%mul = mul nsw i32 %i.0, %j.0
%arrayidx4 = getelementptr inbounds i32, i32* %sum, i32 %j.0
%tmp2 = load i32, i32* %arrayidx4, align 4
%add5 = add nsw i32 %tmp2, %mul
store i32 %add5, i32* %arrayidx4, align 4
br label %for.inc
for.inc: ; preds = %S2
%inc = add nsw i32 %j.0, 1
br label %for.cond1
for.end: ; preds = %for.cond1
br label %S3
S3: ; preds = %for.end
%arrayidx6 = getelementptr inbounds i32, i32* %sum, i32 %i.0
%tmp3 = load i32, i32* %arrayidx6, align 4
%add7 = add nsw i32 %tmp3, 7
store i32 %add7, i32* %arrayidx6, align 4
br label %for.inc8
for.inc8: ; preds = %S3
%inc9 = add nsw i32 %i.0, 1
br label %for.cond
for.end10: ; preds = %for.cond
ret void
}
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