| Tobias Grosser | 6e6264c | 2016-08-15 13:27:49 +0000 | [diff] [blame] | 1 | ; RUN: opt %loadPolly -polly-scops -polly-invariant-load-hoisting=true -analyze < %s | FileCheck %s |
| Johannes Doerfert | 3e48ee2 | 2016-04-29 10:44:41 +0000 | [diff] [blame] | 2 | ; |
| Johannes Doerfert | 99ec00a | 2016-04-29 10:47:07 +0000 | [diff] [blame] | 3 | ; Check that we model the execution context correctly. |
| Johannes Doerfert | 3e48ee2 | 2016-04-29 10:44:41 +0000 | [diff] [blame] | 4 | ; |
| 5 | ; void f(unsigned *I, unsigned *A, int c) { |
| 6 | ; for (unsigned i = c; i < 10; i++) |
| 7 | ; A[i] += *I; |
| 8 | ; } |
| 9 | ; |
| 10 | ; CHECK: Invariant Accesses: { |
| 11 | ; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0] |
| 12 | ; CHECK-NEXT: [c] -> { Stmt_for_body[i0] -> MemRef_I[0] }; |
| 13 | ; CHECK-NEXT: Execution Context: [c] -> { : 0 <= c <= 9 } |
| 14 | ; CHECK-NEXT: } |
| 15 | ; |
| 16 | target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| 17 | |
| 18 | define void @f(i32* %I, i32* %A, i64 %c) { |
| 19 | entry: |
| 20 | br label %for.cond |
| 21 | |
| 22 | for.cond: ; preds = %for.inc, %entry |
| 23 | %indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ %c, %entry ] |
| 24 | %exitcond = icmp ult i64 %indvars.iv, 10 |
| 25 | br i1 %exitcond, label %for.body, label %for.end |
| 26 | |
| 27 | for.body: ; preds = %for.cond |
| 28 | %tmp = load i32, i32* %I, align 4 |
| 29 | %arrayidx = getelementptr inbounds i32, i32* %A, i64 %indvars.iv |
| 30 | %tmp1 = load i32, i32* %arrayidx, align 4 |
| 31 | %add = add i32 %tmp1, %tmp |
| 32 | store i32 %add, i32* %arrayidx, align 4 |
| 33 | br label %for.inc |
| 34 | |
| 35 | for.inc: ; preds = %for.body |
| 36 | %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 |
| 37 | br label %for.cond |
| 38 | |
| 39 | for.end: ; preds = %for.cond |
| 40 | ret void |
| 41 | } |