| ; RUN: opt %loadPolly -polly-scops -polly-invariant-load-hoisting=true -analyze < %s | FileCheck %s |
| ; |
| ; Check that we model the execution context correctly. |
| ; |
| ; void f(unsigned *I, unsigned *A, int c) { |
| ; for (unsigned i = c; i < 10; i++) |
| ; A[i] += *I; |
| ; } |
| ; |
| ; CHECK: Invariant Accesses: { |
| ; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0] |
| ; CHECK-NEXT: [c] -> { Stmt_for_body[i0] -> MemRef_I[0] }; |
| ; CHECK-NEXT: Execution Context: [c] -> { : 0 <= c <= 9 } |
| ; CHECK-NEXT: } |
| ; |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| |
| define void @f(i32* %I, i32* %A, i64 %c) { |
| entry: |
| br label %for.cond |
| |
| for.cond: ; preds = %for.inc, %entry |
| %indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ %c, %entry ] |
| %exitcond = icmp ult i64 %indvars.iv, 10 |
| br i1 %exitcond, label %for.body, label %for.end |
| |
| for.body: ; preds = %for.cond |
| %tmp = load i32, i32* %I, align 4 |
| %arrayidx = getelementptr inbounds i32, i32* %A, i64 %indvars.iv |
| %tmp1 = load i32, i32* %arrayidx, align 4 |
| %add = add i32 %tmp1, %tmp |
| store i32 %add, i32* %arrayidx, align 4 |
| br label %for.inc |
| |
| for.inc: ; preds = %for.body |
| %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 |
| br label %for.cond |
| |
| for.end: ; preds = %for.cond |
| ret void |
| } |