1*be51fa45SRoman Lebedev; RUN: opt -passes=loop-vectorize -debug-only=loop-vectorize -disable-output 2>&1 < %s | FileCheck %s 2ade47bdcSPeter Waller; REQUIRES: asserts 3ade47bdcSPeter Waller 4ade47bdcSPeter Wallertarget triple = "x86_64" 5ade47bdcSPeter Waller 6ade47bdcSPeter Waller; Test that shows how many registers the loop vectorizer thinks an illegal <VF x i1> will consume. 7ade47bdcSPeter Waller 8ade47bdcSPeter Waller; CHECK-LABEL: LV: Checking a loop in 'or_reduction_avx' from <stdin> 9ade47bdcSPeter Waller; CHECK: LV(REG): VF = 64 10ade47bdcSPeter Waller; CHECK-NEXT: LV(REG): Found max usage: 2 item 11ade47bdcSPeter Waller; CHECK-NEXT: LV(REG): RegisterClass: Generic::VectorRC, 136 registers 12ade47bdcSPeter Waller; CHECK-NEXT: LV(REG): RegisterClass: Generic::ScalarRC, 1 registers 13ade47bdcSPeter Waller 14ade47bdcSPeter Wallerdefine i1 @or_reduction_avx(i32 %arg, ptr %ptr) "target-features"="+avx" { 15ade47bdcSPeter Wallerentry: 16ade47bdcSPeter Waller br label %loop 17ade47bdcSPeter Wallerexit: 18ade47bdcSPeter Waller ret i1 %reduction_next 19ade47bdcSPeter Wallerloop: 20ade47bdcSPeter Waller %induction = phi i32 [ 0, %entry ], [ %induction_next, %loop ] 21ade47bdcSPeter Waller %reduction = phi i1 [ 0, %entry ], [ %reduction_next, %loop ] 22ade47bdcSPeter Waller %gep = getelementptr inbounds i32, ptr %ptr, i32 %induction 23ade47bdcSPeter Waller %loaded = load i32, ptr %gep 24ade47bdcSPeter Waller %i1 = icmp eq i32 %loaded, %induction 25ade47bdcSPeter Waller %reduction_next = or i1 %i1, %reduction 26ade47bdcSPeter Waller %induction_next = add nuw i32 %induction, 1 27ade47bdcSPeter Waller %cond = icmp eq i32 %induction_next, %arg 28ade47bdcSPeter Waller br i1 %cond, label %exit, label %loop, !llvm.loop !64 29ade47bdcSPeter Waller} 30ade47bdcSPeter Waller 31ade47bdcSPeter Waller!64 = distinct !{!64, !65} 32ade47bdcSPeter Waller!65 = !{!"llvm.loop.vectorize.width", i32 64} 33