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1; RUN: opt %loadNPMPolly '-passes=polly-custom<scops>' -polly-print-scops -polly-invariant-load-hoisting=true -disable-output < %s 2>&1 | FileCheck %s2 3; This test case verifies that the statement domain of the invariant access4; is the universe. In earlier versions of Polly, we accidentally computed an5; empty access domain which resulted in invariant accesses not being executed6; and consequently undef values being used.7 8; CHECK: Invariant Accesses: {9; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0]10; CHECK-NEXT: { Stmt_loop_next[i0] -> MemRef_a[1] };11; CHECK-NEXT: Execution Context: { : }12; CHECK-NEXT: }13; CHECK-NEXT: Context:14; CHECK-NEXT: { : }15; CHECK-NEXT: Assumed Context:16; CHECK-NEXT: { : }17; CHECK-NEXT: Invalid Context:18; CHECK-NEXT: { : false }19 20; CHECK: Statements {21; CHECK-NEXT: Stmt_loop22; CHECK-NEXT: Domain :=23; CHECK-NEXT: { Stmt_loop[i0] : 0 <= i0 <= 1 };24; CHECK-NEXT: Schedule :=25; CHECK-NEXT: { Stmt_loop[i0] -> [i0, 0] };26; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 1]27; CHECK-NEXT: { Stmt_loop[i0] -> MemRef_val__phi[] };28; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0]29; CHECK-NEXT: { Stmt_loop[i0] -> MemRef_B[i0] };30; CHECK-NEXT: Stmt_loop_next31; CHECK-NEXT: Domain :=32; CHECK-NEXT: { Stmt_loop_next[0] };33; CHECK-NEXT: Schedule :=34; CHECK-NEXT: { Stmt_loop_next[i0] -> [0, 1] };35; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]36; CHECK-NEXT: { Stmt_loop_next[i0] -> MemRef_val__phi[] };37; CHECK-NEXT: }38 39define void @foo(ptr %a, ptr noalias %B) {40entry:41 br label %loop42 43loop:44 %indvar = phi i64 [0, %entry], [%indvar.next, %loop.next]45 %val = phi float [1.0, %entry], [%a.val, %loop.next]46 %indvar.next = add nuw nsw i64 %indvar, 147 %ptr = getelementptr float, ptr %B, i64 %indvar48 store float %val, ptr %ptr49 %icmp = icmp eq i64 %indvar.next, 250 br i1 %icmp, label %ret, label %loop.next51 52loop.next:53 %Aptr = getelementptr float, ptr %a, i64 %indvar.next54 %a.val = load float, ptr %Aptr55 br label %loop56 57ret:58 ret void59}60