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; RUN: opt %loadPolly -polly-print-dependences -disable-output < %s | FileCheck %s
;
; CHECK: RAW dependences:
; CHECK-NEXT: { Stmt_S1[i0, i1] -> Stmt_S2[i0] : 0 <= i0 <= 99 and 0 <= i1 <= 99; Stmt_S0[i0] -> Stmt_S1[i0, o1] : 0 <= i0 <= 99 and 0 <= o1 <= 99; Stmt_S2[i0] -> Stmt_S0[1 + i0] : 0 <= i0 <= 98 }
; CHECK-NEXT: WAR dependences:
; CHECK-NEXT: { Stmt_S1[i0, i1] -> Stmt_S2[i0] : 0 <= i0 <= 99 and 0 <= i1 <= 99; Stmt_S0[i0] -> Stmt_S1[i0, o1] : 0 <= i0 <= 99 and 0 <= o1 <= 99; Stmt_S2[i0] -> Stmt_S0[1 + i0] : 0 <= i0 <= 98 }
; CHECK-NEXT: WAW dependences:
; CHECK-NEXT: { Stmt_S1[i0, i1] -> Stmt_S2[i0] : 0 <= i0 <= 99 and 0 <= i1 <= 99; Stmt_S0[i0] -> Stmt_S1[i0, o1] : 0 <= i0 <= 99 and 0 <= o1 <= 99; Stmt_S2[i0] -> Stmt_S0[1 + i0] : 0 <= i0 <= 98 }
; CHECK-NEXT: Reduction dependences:
; CHECK-NEXT: { Stmt_S1[i0, i1] -> Stmt_S1[i0, 1 + i1] : 0 <= i0 <= 99 and 0 <= i1 <= 98 }
;
; void f(int *sum) {
; for (int i = 0; i < 100; i++) {
; S0: *sum *= 42;
; for (int j = 0; j < 100; j++)
; S1: *sum += i * j;
; S2: *sum *= 7;
; }
; }
;
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S64"
define void @f(ptr %sum) {
entry:
br label %for.cond
for.cond: ; preds = %for.inc6, %entry
%i.0 = phi i32 [ 0, %entry ], [ %inc7, %for.inc6 ]
%exitcond1 = icmp ne i32 %i.0, 100
br i1 %exitcond1, label %for.body, label %for.end8
for.body: ; preds = %for.cond
br label %S0
S0: ; preds = %for.body
%tmp = load i32, ptr %sum, align 4
%mul = mul nsw i32 %tmp, 42
store i32 %mul, ptr %sum, align 4
br label %for.cond1
for.cond1: ; preds = %for.inc, %S0
%j.0 = phi i32 [ 0, %S0 ], [ %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 %S1
S1: ; preds = %for.body3
%mul4 = mul nsw i32 %i.0, %j.0
%tmp2 = load i32, ptr %sum, align 4
%add = add nsw i32 %tmp2, %mul4
store i32 %add, ptr %sum, align 4
br label %for.inc
for.inc: ; preds = %S1
%inc = add nsw i32 %j.0, 1
br label %for.cond1
for.end: ; preds = %for.cond1
br label %S2
S2: ; preds = %for.end
%tmp3 = load i32, ptr %sum, align 4
%mul5 = mul nsw i32 %tmp3, 7
store i32 %mul5, ptr %sum, align 4
br label %for.inc6
for.inc6: ; preds = %S2
%inc7 = add nsw i32 %i.0, 1
br label %for.cond
for.end8: ; preds = %for.cond
ret void
}
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