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; RUN: opt %loadPolly -polly-print-dependences -disable-output < %s | FileCheck %s
;
; CHECK: RAW dependences:
; CHECK-NEXT: [N] -> { Stmt_S1[i0] -> Stmt_S2[] : N >= 11 and 0 <= i0 <= 1023; Stmt_S0[] -> Stmt_S1[o0] : N >= 11 and 0 <= o0 <= 1023 }
; CHECK-NEXT: WAR dependences:
; CHECK-NEXT: [N] -> { Stmt_S1[i0] -> Stmt_S2[] : N >= 11 and 0 <= i0 <= 1023 }
; CHECK-NEXT: WAW dependences:
; CHECK-NEXT: [N] -> { Stmt_S1[i0] -> Stmt_S2[] : N >= 11 and 0 <= i0 <= 1023; Stmt_S0[] -> Stmt_S1[o0] : N >= 11 and 0 <= o0 <= 1023 }
; CHECK-NEXT: Reduction dependences:
; CHECK-NEXT: [N] -> { Stmt_S1[i0] -> Stmt_S1[1 + i0] : N >= 11 and 0 <= i0 <= 1022 }
;
; void f(int *sum, int N) {
; if (N >= 10) {
; S0: *sum = 0;
; for (int i = 0; i < 1024; i++)
; S1: *sum += i;
; S2: *sum = *sum * 3;
; }
; }
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S64"
define void @f(ptr %sum, i32 %N) {
entry:
br label %entry.1
entry.1:
%excond = icmp sgt i32 %N, 10
br i1 %excond, label %S0, label %f.end
S0:
store i32 0, ptr %sum, align 4
br label %for.cond
for.cond: ; preds = %for.inc, %S0
%i.0 = phi i32 [ 0, %S0 ], [ %inc, %for.inc ]
%exitcond = icmp ne i32 %i.0, 1024
br i1 %exitcond, label %S1, label %S2
S1: ; preds = %for.cond
%tmp = load i32, ptr %sum, align 4
%add = add nsw i32 %tmp, %i.0
store i32 %add, ptr %sum, align 4
br label %for.inc
for.inc: ; preds = %S1
%inc = add nsw i32 %i.0, 1
br label %for.cond
S2: ; preds = %for.cond
%tmp1 = load i32, ptr %sum, align 4
%mul = mul nsw i32 %tmp1, 3
store i32 %mul, ptr %sum, align 4
br label %f.end
f.end:
ret void
}
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