; RUN: opt %loadPolly -polly-scops -polly-invariant-load-hoisting=true -analyze < %s | FileCheck %s ; ; Check that we do not try to preload *I and assume p != 42. ; ; CHECK: Invariant Accesses: { ; CHECK-NEXT: } ; ; CHECK: Invalid Context: ; CHECK-NEXT: [N, p] -> { : false } ; ; CHECK: Stmt_if_then__TO__if_end ; CHECK-NEXT: Domain := ; CHECK-NEXT: [N, p] -> { Stmt_if_then__TO__if_end[i0] : p = 42 and 0 <= i0 < N }; ; ; void f(int *A, int *I, int N, int p, int q) { ; for (int i = 0; i < N; i++) { ; if (p == 42) { ; *I = 0; ; if (*I == q) ; A[i] *= 2; ; } ; A[i]++; ; } ; } ; target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" define void @f(i32* %A, i32* %I, i32 %N, i32 %p, i32 %q) { entry: %tmp = sext i32 %N to i64 br label %for.cond for.cond: ; preds = %for.inc, %entry %indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ] %cmp = icmp slt i64 %indvars.iv, %tmp br i1 %cmp, label %for.body, label %for.end for.body: ; preds = %for.cond %cmp1 = icmp eq i32 %p, 42 br i1 %cmp1, label %if.then, label %if.end4 if.then: ; preds = %for.body store i32 0, i32* %I, align 4 %tmp1 = load i32, i32* %I, align 4 %cmp2 = icmp eq i32 %tmp1, %q br i1 %cmp2, label %if.then3, label %if.end if.then3: ; preds = %if.then %arrayidx = getelementptr inbounds i32, i32* %A, i64 %indvars.iv %tmp2 = load i32, i32* %arrayidx, align 4 %mul = shl nsw i32 %tmp2, 1 store i32 %mul, i32* %arrayidx, align 4 br label %if.end if.end: ; preds = %if.then3, %if.then br label %if.end4 if.end4: ; preds = %if.end, %for.body %arrayidx6 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv %tmp3 = load i32, i32* %arrayidx6, align 4 %inc = add nsw i32 %tmp3, 1 store i32 %inc, i32* %arrayidx6, align 4 br label %for.inc for.inc: ; preds = %if.end4 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 br label %for.cond for.end: ; preds = %for.cond ret void }