; RUN: opt %loadPolly -polly-dependences -analyze < %s | FileCheck %s ; ; CHECK: RAW dependences: ; CHECK-NEXT: { Stmt_S0[i0] -> Stmt_S1[i0, o1] : 0 <= i0 <= 99 and 0 <= o1 <= 99; Stmt_S2[i0] -> Stmt_S0[1 + i0] : 0 <= i0 <= 98; Stmt_S1[i0, i1] -> Stmt_S2[i0] : 0 <= i0 <= 99 and 0 <= i1 <= 99 } ; CHECK-NEXT: WAR dependences: ; CHECK-NEXT: { Stmt_S0[i0] -> Stmt_S1[i0, o1] : 0 <= i0 <= 99 and 0 <= o1 <= 99; Stmt_S2[i0] -> Stmt_S0[1 + i0] : 0 <= i0 <= 98; Stmt_S1[i0, i1] -> Stmt_S2[i0] : 0 <= i0 <= 99 and 0 <= i1 <= 99 } ; CHECK-NEXT: WAW dependences: ; CHECK-NEXT: { Stmt_S0[i0] -> Stmt_S1[i0, o1] : 0 <= i0 <= 99 and 0 <= o1 <= 99; Stmt_S2[i0] -> Stmt_S0[1 + i0] : 0 <= i0 <= 98; Stmt_S1[i0, i1] -> Stmt_S2[i0] : 0 <= i0 <= 99 and 0 <= i1 <= 99 } ; 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(i32* %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, i32* %sum, align 4 %mul = mul nsw i32 %tmp, 42 store i32 %mul, i32* %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, i32* %sum, align 4 %add = add nsw i32 %tmp2, %mul4 store i32 %add, i32* %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, i32* %sum, align 4 %mul5 = mul nsw i32 %tmp3, 7 store i32 %mul5, i32* %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 }