; RUN: opt %loadPolly -pass-remarks-analysis="polly-scops" -polly-scops -disable-output < %s 2>&1 | FileCheck %s ; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s --check-prefix=SCOP ; ; CHECK: remark: :0:0: SCoP begins here. ; CHECK-NEXT: remark: :0:0: Use user assumption: [N] -> { : N >= 2 } ; CHECK-NEXT: remark: :0:0: SCoP ends here. ; SCOP: Context: ; SCOP-NEXT: [N, M] -> { : 2 <= N <= 2147483647 and -2147483648 <= M <= 2147483647 } ; SCOP: Assumed Context: ; SCOP-NEXT: [N, M] -> { : } ; SCOP: Invalid Context: ; SCOP-NEXT: [N, M] -> { : false } ; ; int f(int *A, int N, int M) { ; __builtin_assume(M > 0 && N > M); ; for (int i = 0; i < N; i++) ; A[i]++; ; return M; ; } ; target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" define i32 @f(i32* %A, i32 %N, i32 %M) { entry: %cmp = icmp sgt i32 %M, 0 %cmp1 = icmp sgt i32 %N, %M %and = and i1 %cmp, %cmp1 call void @llvm.assume(i1 %and) %tmp1 = sext i32 %N to i64 br label %for.cond for.cond: ; preds = %for.inc, %land.end %indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ] %cmp2 = icmp slt i64 %indvars.iv, %tmp1 br i1 %cmp2, label %for.body, label %for.end for.body: ; preds = %for.cond %arrayidx = getelementptr inbounds i32, i32* %A, i64 %indvars.iv %tmp2 = load i32, i32* %arrayidx, align 4 %inc = add nsw i32 %tmp2, 1 store i32 %inc, 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 i32 %M } declare void @llvm.assume(i1) #1