; RUN: opt %loadPolly -polly-scops -polly-invariant-load-hoisting=true -analyze < %s | FileCheck %s ; ; CHECK: Invariant Accesses: { ; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0] ; CHECK-NEXT: [LB, UB] -> { Stmt_for_body[i0] -> MemRef_LBptr[0] }; ; CHECK-NEXT: Execution Context: [LB, UB] -> { : } ; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0] ; CHECK-NEXT: [LB, UB] -> { Stmt_do_cond[i0, i1] -> MemRef_UBptr[0] }; ; CHECK-NEXT: Execution Context: [LB, UB] -> { : } ; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0] ; CHECK-NEXT: [LB, UB] -> { Stmt_if_then[i0, i1] -> MemRef_V[0] }; ; CHECK-NEXT: Execution Context: [LB, UB] -> { : LB >= 6 or (UB > LB and UB >= 6) } ; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0] ; CHECK-NEXT: [LB, UB] -> { Stmt_if_else[i0, i1] -> MemRef_U[0] }; ; CHECK-NEXT: Execution Context: [LB, UB] -> { : LB <= 5 } ; CHECK-NEXT: } ; ; void f(int *restrict A, int *restrict V, int *restrict U, int *restrict UB, ; int *restrict LB) { ; for (int i = 0; i < 100; i++) { ; int j = /* invariant load */ *LB; ; do { ; if (j > 5) ; A[i] += /* invariant load */ *V; ; else ; A[i] += /* invariant load */ *U; ; } while (j++ < /* invariant load */ *UB); ; } ; } ; target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" define void @f(i32* noalias %A, i32* noalias %V, i32* noalias %U, i32* noalias %UBptr, i32* noalias %LBptr) { entry: br label %for.cond for.cond: ; preds = %for.inc, %entry %indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ] %exitcond = icmp ne i64 %indvars.iv, 100 br i1 %exitcond, label %for.body, label %for.end for.body: ; preds = %for.cond %LB = load i32, i32* %LBptr, align 4 br label %do.body do.body: ; preds = %do.cond, %for.body %j.0 = phi i32 [ %LB, %for.body ], [ %inc, %do.cond ] %cmp1 = icmp sgt i32 %j.0, 5 br i1 %cmp1, label %if.then, label %if.else if.then: ; preds = %do.body %tmp1 = load i32, i32* %V, align 4 %arrayidx = getelementptr inbounds i32, i32* %A, i64 %indvars.iv %tmp2 = load i32, i32* %arrayidx, align 4 %add = add nsw i32 %tmp2, %tmp1 store i32 %add, i32* %arrayidx, align 4 br label %if.end if.else: ; preds = %do.body %tmp3 = load i32, i32* %U, align 4 %arrayidx3 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv %tmp4 = load i32, i32* %arrayidx3, align 4 %add4 = add nsw i32 %tmp4, %tmp3 store i32 %add4, i32* %arrayidx3, align 4 br label %if.end if.end: ; preds = %if.else, %if.then br label %do.cond do.cond: ; preds = %if.end %inc = add nsw i32 %j.0, 1 %UB = load i32, i32* %UBptr, align 4 %cmp5 = icmp slt i32 %j.0, %UB br i1 %cmp5, label %do.body, label %do.end do.end: ; preds = %do.cond br label %for.inc for.inc: ; preds = %do.end %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 br label %for.cond for.end: ; preds = %for.cond ret void }