1; RUN: opt %loadNPMPolly '-passes=print<polly-dependences>' -debug-only=polly-dependence -disable-output < %s 2>&1 | FileCheck %s 2; 3; REQUIRES: asserts 4; 5; CHECK: Read: { [Stmt_for_cond[i0] -> MemRef_sum[0{{\]\]}} -> MemRef_sum[0] : 0 <= i0 <= 100 } 6; CHECK-NEXT: Write: { [Stmt_for_cond[i0] -> MemRef_sum[0{{\]\]}} -> MemRef_sum[0] : 0 <= i0 <= 100 } 7; CHECK-NEXT: MayWrite: { } 8; 9; CHECK: Wrapped Dependences: 10; CHECK-NEXT: RAW dependences: 11; CHECK-NEXT: { [Stmt_for_cond[i0] -> MemRef_sum[0{{\]\]}} -> [Stmt_for_cond[1 + i0] -> MemRef_sum[0{{\]\]}} : 0 <= i0 <= 99 } 12; CHECK-NEXT: WAR dependences: 13; CHECK-NEXT: { [Stmt_for_cond[i0] -> MemRef_sum[0{{\]\]}} -> [Stmt_for_cond[1 + i0] -> MemRef_sum[0{{\]\]}} : 0 <= i0 <= 99 } 14; CHECK-NEXT: WAW dependences: 15; CHECK-NEXT: { [Stmt_for_cond[i0] -> MemRef_sum[0{{\]\]}} -> [Stmt_for_cond[1 + i0] -> MemRef_sum[0{{\]\]}} : 0 <= i0 <= 99 } 16; CHECK-NEXT: Reduction dependences: 17; CHECK-NEXT: n/a 18; 19; CHECK: Final Wrapped Dependences: 20; CHECK-NEXT: RAW dependences: 21; CHECK-NEXT: { } 22; CHECK-NEXT: WAR dependences: 23; CHECK-NEXT: { } 24; CHECK-NEXT: WAW dependences: 25; CHECK-NEXT: { } 26; CHECK-NEXT: Reduction dependences: 27; CHECK-NEXT: { [Stmt_for_cond[i0] -> MemRef_sum[0{{\]\]}} -> [Stmt_for_cond[1 + i0] -> MemRef_sum[0{{\]\]}} : 0 <= i0 <= 99 } 28; 29; CHECK: Zipped Dependences: 30; CHECK-NEXT: RAW dependences: 31; CHECK-NEXT: { } 32; CHECK-NEXT: WAR dependences: 33; CHECK-NEXT: { } 34; CHECK-NEXT: WAW dependences: 35; CHECK-NEXT: { } 36; CHECK-NEXT: Reduction dependences: 37; CHECK-NEXT: { [Stmt_for_cond[i0] -> Stmt_for_cond[1 + i0{{\]\]}} -> [MemRef_sum[0] -> MemRef_sum[0{{\]\]}} : 0 <= i0 <= 99 } 38; 39; CHECK: Unwrapped Dependences: 40; CHECK-NEXT: RAW dependences: 41; CHECK-NEXT: { } 42; CHECK-NEXT: WAR dependences: 43; CHECK-NEXT: { } 44; CHECK-NEXT: WAW dependences: 45; CHECK-NEXT: { } 46; CHECK-NEXT: Reduction dependences: 47; CHECK-NEXT: { Stmt_for_cond[i0] -> Stmt_for_cond[1 + i0] : 0 <= i0 <= 99 } 48; 49; CHECK: RAW dependences: 50; CHECK-NEXT: { } 51; CHECK-NEXT: WAR dependences: 52; CHECK-NEXT: { } 53; CHECK-NEXT: WAW dependences: 54; CHECK-NEXT: { } 55; CHECK-NEXT: Reduction dependences: 56; CHECK-NEXT: { Stmt_for_cond[i0] -> Stmt_for_cond[1 + i0] : 0 <= i0 <= 99 } 57; 58; CHECK: RAW dependences: 59; CHECK-NEXT: { } 60; CHECK-NEXT: WAR dependences: 61; CHECK-NEXT: { } 62; CHECK-NEXT: WAW dependences: 63; CHECK-NEXT: { } 64; CHECK-NEXT: Reduction dependences: 65; CHECK-NEXT: { Stmt_for_cond[i0] -> Stmt_for_cond[1 + i0] : 0 <= i0 <= 99 } 66; 67; void f(int* sum) { 68; for (int i = 0; i <= 100; i++) 69; sum += i * 3; 70; } 71target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S64" 72 73define void @f(ptr %sum) { 74entry: 75 br label %entry.split1 76 77entry.split1: ; preds = %entry 78 br label %entry.split 79 80entry.split: ; preds = %entry.split1 81 br label %for.cond 82 83for.cond: ; preds = %for.cond, %entry.split 84 %i1.0 = phi i32 [ 0, %entry.split ], [ %inc, %for.cond ] 85 %sum.reload = load i32, ptr %sum 86 %mul = mul nsw i32 %i1.0, 3 87 %add = add nsw i32 %sum.reload, %mul 88 %inc = add nsw i32 %i1.0, 1 89 store i32 %add, ptr %sum 90 %cmp = icmp slt i32 %i1.0, 100 91 br i1 %cmp, label %for.cond, label %for.end 92 93for.end: ; preds = %for.cond 94 ret void 95} 96