1; RUN: llc < %s -march=x86 -mcpu=corei7 -mattr=+avx
2; PR13352
3
4declare <8 x float> @llvm.x86.avx.blendv.ps.256(<8 x float>, <8 x float>, <8 x float>) nounwind readnone
5
6define void @f_f() nounwind {
7allocas:
8  br label %for_loop29
9
10for_loop29:                                       ; preds = %safe_if_after_true, %allocas
11  %indvars.iv596 = phi i64 [ %indvars.iv.next597, %safe_if_after_true ], [ 0, %allocas ]
12  %0 = trunc i64 %indvars.iv596 to i32
13  %smear.15 = insertelement <16 x i32> undef, i32 %0, i32 15
14  %bitop = lshr <16 x i32> zeroinitializer, %smear.15
15  %bitop35 = and <16 x i32> %bitop, <i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1>
16  %bitop35_to_bool = icmp ne <16 x i32> %bitop35, zeroinitializer
17  %val_to_boolvec32 = sext <16 x i1> %bitop35_to_bool to <16 x i32>
18  %floatmask.i526 = bitcast <16 x i32> %val_to_boolvec32 to <16 x float>
19  %mask1.i529 = shufflevector <16 x float> %floatmask.i526, <16 x float> undef, <8 x i32> <i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
20  %"internal_mask&function_mask41_any" = icmp eq i32 undef, 0
21  br i1 %"internal_mask&function_mask41_any", label %safe_if_after_true, label %safe_if_run_true
22
23safe_if_after_true:                               ; preds = %for_loop29
24  %indvars.iv.next597 = add i64 %indvars.iv596, 1
25  br label %for_loop29
26
27safe_if_run_true:                                 ; preds = %for_loop29
28  %blend1.i583 = call <8 x float> @llvm.x86.avx.blendv.ps.256(<8 x float> undef, <8 x float> undef, <8 x float> %mask1.i529) nounwind
29  unreachable
30}
31
32