1 ; RUN: opt -S -loop-vectorize -force-vector-width=4 %s | FileCheck %s
3 ; CHECK-LABEL: @test_fshl
4 ; CHECK-LABEL: vector.body:
5 ; CHECK-NEXT: %index = phi i32 [ 0, %vector.ph ], [ %index.next, %vector.body ]
6 ; CHECK-NEXT: %broadcast.splatinsert = insertelement <4 x i32> undef, i32 %index, i32 0
7 ; CHECK-NEXT: %broadcast.splat = shufflevector <4 x i32> %broadcast.splatinsert, <4 x i32> undef, <4 x i32> zeroinitializer
8 ; CHECK-NEXT: %induction = add <4 x i32> %broadcast.splat, <i32 0, i32 1, i32 2, i32 3>
9 ; CHECK-NEXT: %0 = add i32 %index, 0
10 ; CHECK-NEXT: %1 = call <4 x i16> @llvm.fshl.v4i16(<4 x i16> undef, <4 x i16> undef, <4 x i16> <i16 15, i16 15, i16 15, i16 15>)
11 ; CHECK-NEXT: %index.next = add i32 %index, 4
12 ; CHECK-NEXT: %2 = icmp eq i32 %index.next, %n.vec
13 ; CHECK-NEXT: br i1 %2, label %middle.block, label %vector.body, !llvm.loop !0
15 define void @test_fshl(i32 %width) {
17 br label %for.body9.us.us
19 for.cond6.for.cond.cleanup8_crit_edge.us.us: ; preds = %for.body9.us.us
22 for.body9.us.us: ; preds = %for.body9.us.us, %entry
23 %x.020.us.us = phi i32 [ 0, %entry ], [ %inc.us.us, %for.body9.us.us ]
24 %conv4.i.us.us = tail call i16 @llvm.fshl.i16(i16 undef, i16 undef, i16 15)
25 %inc.us.us = add nuw i32 %x.020.us.us, 1
26 %exitcond50 = icmp eq i32 %inc.us.us, %width
27 br i1 %exitcond50, label %for.cond6.for.cond.cleanup8_crit_edge.us.us, label %for.body9.us.us
30 declare i16 @llvm.fshl.i16(i16, i16, i16)