1 ; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=knl | FileCheck %s
4 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
5 target triple = "x86_64-unknown-linux-gnu"
7 ; Function Attrs: nounwind readnone
8 declare i32 @llvm.x86.avx.movmsk.ps.256(<8 x float>) #0
10 ; Function Attrs: nounwind readnone
11 declare i64 @llvm.cttz.i64(i64, i1) #0
13 ; Function Attrs: nounwind
14 define void @foo(float* noalias %aFOO, float %b, i32 %a) {
16 %full_mask_memory.i57 = alloca <8 x float>
17 %return_value_memory.i60 = alloca i1
18 %cmp.i = icmp eq i32 %a, 65535
19 br i1 %cmp.i, label %all_on, label %some_on
22 %mask0 = load <8 x float>, <8 x float>* %full_mask_memory.i57
23 %v0.i.i.i70 = call i32 @llvm.x86.avx.movmsk.ps.256(<8 x float> %mask0) #0
24 %allon.i.i76 = icmp eq i32 %v0.i.i.i70, 65535
25 br i1 %allon.i.i76, label %check_neighbors.i.i121, label %domixed.i.i100
28 br label %check_neighbors.i.i121
30 check_neighbors.i.i121:
31 %v1.i5.i.i116 = call i32 @llvm.x86.avx.movmsk.ps.256(<8 x float> %mask0) #0
32 %alleq.i.i120 = icmp eq i32 %v1.i5.i.i116, 65535
33 br i1 %alleq.i.i120, label %all_equal.i.i123, label %not_all_equal.i.i124
35 ; CHECK: kxnorw %k0, %k0, %k0
36 ; CHECK: kshiftrw $15, %k0, %k0
38 ; CHECK: kxorw %k0, %k0, %k0
41 br label %reduce_equal___vyi.exit128
44 br label %reduce_equal___vyi.exit128
46 reduce_equal___vyi.exit128:
47 %calltmp2.i125 = phi i1 [ true, %all_equal.i.i123 ], [ false, %not_all_equal.i.i124 ]
48 store i1 %calltmp2.i125, i1* %return_value_memory.i60
49 %return_value.i126 = load i1, i1* %return_value_memory.i60
50 %. = select i1 %return_value.i126, i32 1, i32 0
51 %select_to_float = sitofp i32 %. to float