| Johannes Doerfert | c359628 | 2016-04-25 14:01:36 +0000 | [diff] [blame^] | 1 | ; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s |
| 2 | ; |
| 3 | ; CHECK: Assumed Context: |
| 4 | ; CHECK-NEXT: [N] -> { : } |
| 5 | ; CHECK-NEXT: Invalid Context: |
| 6 | ; CHECK-NEXT: [N] -> { : 1 = 0 } |
| 7 | ; CHECK-NEXT: p0: %N |
| 8 | ; CHECK: Statements { |
| 9 | ; CHECK-NEXT: Stmt_if_then |
| 10 | ; CHECK-NEXT: Domain := |
| 11 | ; CHECK-NEXT: [N] -> { Stmt_if_then[i0] : 2*floor((-1 + i0)/2) = -1 + i0 and 0 <= i0 < N }; |
| 12 | ; CHECK-NEXT: Schedule := |
| 13 | ; CHECK-NEXT: [N] -> { Stmt_if_then[i0] -> [i0] }; |
| 14 | ; CHECK-NEXT: ReadAccess := [Reduction Type: +] [Scalar: 0] |
| 15 | ; CHECK-NEXT: [N] -> { Stmt_if_then[i0] -> MemRef_A[i0] }; |
| 16 | ; CHECK-NEXT: MustWriteAccess := [Reduction Type: +] [Scalar: 0] |
| 17 | ; CHECK-NEXT: [N] -> { Stmt_if_then[i0] -> MemRef_A[i0] }; |
| 18 | ; CHECK-NEXT: } |
| 19 | ; |
| 20 | ; void f(int *A, int N) { |
| 21 | ; for (int i = 0; i < N; i++) { |
| 22 | ; if (i & 1) |
| 23 | ; A[i]++; |
| 24 | ; } |
| 25 | ; } |
| 26 | ; |
| 27 | target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| 28 | |
| 29 | define void @f(i32* %A, i32 %N) { |
| 30 | entry: |
| 31 | %tmp = sext i32 %N to i64 |
| 32 | br label %for.cond |
| 33 | |
| 34 | for.cond: ; preds = %for.inc, %entry |
| 35 | %indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ] |
| 36 | %cmp = icmp slt i64 %indvars.iv, %tmp |
| 37 | br i1 %cmp, label %for.body, label %for.end |
| 38 | |
| 39 | for.body: ; preds = %for.cond |
| 40 | %tmp1 = trunc i64 %indvars.iv to i32 |
| 41 | %and = and i32 %tmp1, 1 |
| 42 | %tobool = icmp eq i32 %and, 0 |
| 43 | br i1 %tobool, label %if.end, label %if.then |
| 44 | |
| 45 | if.then: ; preds = %for.body |
| 46 | %arrayidx = getelementptr inbounds i32, i32* %A, i64 %indvars.iv |
| 47 | %tmp2 = load i32, i32* %arrayidx, align 4 |
| 48 | %inc = add nsw i32 %tmp2, 1 |
| 49 | store i32 %inc, i32* %arrayidx, align 4 |
| 50 | br label %if.end |
| 51 | |
| 52 | if.end: ; preds = %for.body, %if.then |
| 53 | br label %for.inc |
| 54 | |
| 55 | for.inc: ; preds = %if.end |
| 56 | %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 |
| 57 | br label %for.cond |
| 58 | |
| 59 | for.end: ; preds = %for.cond |
| 60 | ret void |
| 61 | } |