1; RUN: opt %loadNPMPolly '-passes=print<polly-optree>' -disable-output < %s | FileCheck %s -match-full-lines 2; 3; Synthesizable values defined outside of a loop can be used 4; inside the loop. 5; 6; for (int j = 0; j < n; j += 1) { 7; bodyA: 8; double val = j; 9; 10; for (int i = 0; i < n; i += 1) { 11; bodyB: 12; A[0] = val; 13; } 14; } 15; 16define void @func(i32 %n, ptr noalias nonnull %A) { 17entry: 18 br label %for 19 20for: 21 %j = phi i32 [0, %entry], [%j.inc, %inc] 22 %j.cmp = icmp slt i32 %j, %n 23 br i1 %j.cmp, label %bodyA, label %exit 24 25 bodyA: 26 %val = sitofp i32 %j to double 27 br label %inner.for 28 29 30 inner.for: 31 %i = phi i32 [0, %bodyA], [%i.inc, %inner.inc] 32 %i.cmp = icmp slt i32 %i, %n 33 br i1 %i.cmp, label %bodyB, label %inner.exit 34 35 36 bodyB: 37 store double %val, ptr %A 38 br label %inner.inc 39 40 41 inner.inc: 42 %i.inc = add nuw nsw i32 %i, 1 43 br label %inner.for 44 45 inner.exit: 46 br label %inc 47 48inc: 49 %j.inc = add nuw nsw i32 %j, 1 50 br label %for 51 52exit: 53 br label %return 54 55return: 56 ret void 57} 58 59 60; CHECK: Statistics { 61; CHECK: Instructions copied: 1 62; CHECK: Operand trees forwarded: 1 63; CHECK: Statements with forwarded operand trees: 1 64; CHECK: } 65 66; CHECK: After statements { 67; CHECK-NEXT: Stmt_bodyA 68; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1] 69; CHECK-NEXT: [n] -> { Stmt_bodyA[i0] -> MemRef_val[] }; 70; CHECK-NEXT: Instructions { 71; CHECK-NEXT: %val = sitofp i32 %j to double 72; CHECK-NEXT: } 73; CHECK-NEXT: Stmt_bodyB 74; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0] 75; CHECK-NEXT: [n] -> { Stmt_bodyB[i0, i1] -> MemRef_A[0] }; 76; CHECK-NEXT: Instructions { 77; CHECK-NEXT: %val = sitofp i32 %j to double 78; CHECK-NEXT: store double %val, ptr %A, align 8 79; CHECK-NEXT: } 80; CHECK-NEXT: } 81