; RUN: opt -mtriple=x86_64-apple-darwin -mattr=+sse2 -passes=loop-vectorize -debug-only=loop-vectorize -S < %s 2>&1 | FileCheck %s ; REQUIRES: asserts ; CHECK: 'foo' ; CHECK: LV: Found an estimated cost of 1 for VF 1 For instruction: %shift = ashr i32 %val, %k ; CHECK: Cost of 2 for VF 2: WIDEN ir<%shift> = ashr ir<%val>, ir<%k> ; CHECK: Cost of 2 for VF 4: WIDEN ir<%shift> = ashr ir<%val>, ir<%k> define void @foo(ptr nocapture %p, i32 %k) local_unnamed_addr { entry: br label %body body: %i = phi i64 [ 0, %entry ], [ %next, %body ] %ptr = getelementptr inbounds i32, ptr %p, i64 %i %val = load i32, ptr %ptr, align 4 %shift = ashr i32 %val, %k store i32 %shift, ptr %ptr, align 4 %next = add nuw nsw i64 %i, 1 %cmp = icmp eq i64 %next, 16 br i1 %cmp, label %exit, label %body exit: ret void } ; CHECK: 'shift_and_masked_load_store' ; CHECK: Cost of 1 for VF 2: CLONE ir<%shifted> = lshr vp<{{.+}}>, ir<2> ; CHECK: Cost of 1 for VF 4: CLONE ir<%shifted> = lshr vp<{{.+}}>, ir<2> ; CHECK: Cost of 4 for VF 8: WIDEN ir<%shifted> = lshr ir<%iv>, ir<2> define void @shift_and_masked_load_store(i64 %trip.count) #0 { entry: br label %loop loop: %iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ] %shifted = lshr i64 %iv, 2 %masked.idx = and i64 %shifted, 1 %load.ptr = getelementptr i16, ptr poison, i64 %masked.idx %val = load i16, ptr %load.ptr, align 2 %store.idx = shl nuw i64 %iv, 2 %store.ptr = getelementptr i8, ptr poison, i64 %store.idx store i16 %val, ptr %store.ptr, align 2 %iv.next = add i64 %iv, 1 %cmp = icmp eq i64 %iv, %trip.count br i1 %cmp, label %exit, label %loop exit: ret void } define i64 @sdiv_arg_outer_iv(ptr noalias %dst, ptr %src) { ; CHECK: 'sdiv_arg_outer_iv' ; CHECK: Cost of 0 for VF 2: CLONE ir<%div> = sdiv ir<%add.offset>, ir<8> ; CHECK: Cost of 0 for VF 4: CLONE ir<%div> = sdiv ir<%add.offset>, ir<8> ; CHECK: Cost of 0 for VF 8: CLONE ir<%div> = sdiv ir<%add.offset>, ir<8> ; CHECK: Cost of 0 for VF 16: REPLICATE ir<%div> = sdiv ir<%add.offset>, ir<8> entry: br label %outer.header outer.header: %outer.iv = phi i32 [ 0, %entry ], [ %outer.iv.next, %outer.latch ] %offset = shl nsw i32 %outer.iv, 7 br label %loop loop: %iv = phi i64 [ 0, %outer.header ], [ %iv.next, %loop ] %iv.trunc = trunc i64 %iv to i32 %add.offset = add i32 %offset, %iv.trunc %div = sdiv i32 %add.offset, 8 %div.ext = sext i32 %div to i64 %gep.src = getelementptr i8, ptr %src, i64 %div.ext %l = load i8, ptr %gep.src, align 1 %gep.dst = getelementptr i8, ptr %dst, i64 %iv store i8 %l, ptr %gep.dst, align 1 %iv.next = add i64 %iv, 1 %ec = icmp eq i64 %iv, 64 br i1 %ec, label %outer.latch, label %loop outer.latch: %outer.iv.next = add nsw i32 %outer.iv, 1 br label %outer.header } attributes #0 = { "target-features"="+avx2" "tune-cpu"="alderlake" }