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1; RUN: opt %loadNPMPolly '-passes=polly-custom<scops>' -polly-print-scops -disable-output < %s 2>&1 | FileCheck %s2; RUN: opt %loadNPMPolly '-passes=polly<no-default-opts>' -S < %s | FileCheck %s --check-prefix=IR3;4; Check that we guard the divisions because we moved them and thereby increased5; their domain.6;7; CHECK:         Invalid Context:8; CHECK-NEXT:    [p_0] -> {  : false }9; CHECK:         p0: (((zext i32 %a to i64) /u (zext i32 %b to i64)) /u ((zext i32 %c to i64) /u (zext i32 %d to i64)))10;11;    void f(unsigned *A, unsigned a, unsigned b, unsigned c, unsigned d) {12;      for (unsigned i; i < 100; i++)13;        A[i] += A[(a / b) / (c / d)];14;    }15;16; IR:       %[[A:[.a-zA-Z0-9]*]] = zext i32 %a to i6417; IR-NEXT:  %[[B:[.a-zA-Z0-9]*]] = zext i32 %b to i6418; IR-NEXT:  %[[R1:[.a-zA-Z0-9]*]] = call i64 @llvm.umax.i64(i64 %[[B]], i64 1)19; IR-NEXT:  %[[R2:[.a-zA-Z0-9]*]] = udiv i64 %[[A]], %[[R1]]20; IR-NEXT:  %[[C:[.a-zA-Z0-9]*]] = zext i32 %c to i6421; IR-NEXT:  %[[D:[.a-zA-Z0-9]*]] = zext i32 %d to i6422; IR-NEXT:  %[[R6:[.a-zA-Z0-9]*]] = call i64 @llvm.umax.i64(i64 %[[D]], i64 1)23; IR-NEXT:  %[[R7:[.a-zA-Z0-9]*]] = udiv i64 %[[C]], %[[R6]]24; IR-NEXT:  %[[R4:[.a-zA-Z0-9]*]] = call i64 @llvm.umax.i64(i64 %[[R7]], i64 1)25; IR-NEXT:  %[[R8:[.a-zA-Z0-9]*]] = udiv i64 %[[R2]], %[[R4]]26;27target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"28 29define void @f(ptr %A, i32 %a, i32 %b, i32 %c, i32 %d) {30entry:31  br label %for.cond32 33for.cond:                                         ; preds = %for.inc, %entry34  %indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ]35  %cmp = icmp ult i64 %indvars.iv, 10036  br i1 %cmp, label %for.body, label %for.end37 38for.body:                                         ; preds = %for.cond39  %div = udiv i32 %a, %b40  %div1 = udiv i32 %c, %d41  %div2 = udiv i32 %div, %div142  %idxprom = zext i32 %div2 to i6443  %arrayidx = getelementptr inbounds i32, ptr %A, i64 %idxprom44  %tmp = load i32, ptr %arrayidx, align 445  %arrayidx4 = getelementptr inbounds i32, ptr %A, i64 %indvars.iv46  %tmp1 = load i32, ptr %arrayidx4, align 447  %add = add i32 %tmp1, %tmp48  store i32 %add, ptr %arrayidx4, align 449  br label %for.inc50 51for.inc:                                          ; preds = %for.body52  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 153  br label %for.cond54 55for.end:                                          ; preds = %for.cond56  ret void57}58