1; RUN: opt %loadNPMPolly '-passes=print<polly-function-scops>' -disable-output < %s 2>&1 | FileCheck %s 2; RUN: opt %loadNPMPolly -passes=polly-codegen -S < %s | FileCheck %s --check-prefix=IR 3; 4; Check that we guard the divisions because we moved them and thereby increased 5; 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 i64 17; IR-NEXT: %[[B:[.a-zA-Z0-9]*]] = zext i32 %b to i64 18; 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 i64 21; IR-NEXT: %[[D:[.a-zA-Z0-9]*]] = zext i32 %d to i64 22; 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.cond 32 33for.cond: ; preds = %for.inc, %entry 34 %indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ] 35 %cmp = icmp ult i64 %indvars.iv, 100 36 br i1 %cmp, label %for.body, label %for.end 37 38for.body: ; preds = %for.cond 39 %div = udiv i32 %a, %b 40 %div1 = udiv i32 %c, %d 41 %div2 = udiv i32 %div, %div1 42 %idxprom = zext i32 %div2 to i64 43 %arrayidx = getelementptr inbounds i32, ptr %A, i64 %idxprom 44 %tmp = load i32, ptr %arrayidx, align 4 45 %arrayidx4 = getelementptr inbounds i32, ptr %A, i64 %indvars.iv 46 %tmp1 = load i32, ptr %arrayidx4, align 4 47 %add = add i32 %tmp1, %tmp 48 store i32 %add, ptr %arrayidx4, align 4 49 br label %for.inc 50 51for.inc: ; preds = %for.body 52 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 53 br label %for.cond 54 55for.end: ; preds = %for.cond 56 ret void 57} 58