1 ; RUN: opt %loadPolly -polly-detect-unprofitable -basicaa -polly-codegen-isl %vector-opt -dce -S < %s | FileCheck %s
7 ;void simple_vec_stride_x(void) {
10 ; for (i = 0; i < 4; i++)
11 ; B[2 * i] = A[2 * i];
15 ; simple_vec_stride_x();
19 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
20 target triple = "x86_64-unknown-linux-gnu"
22 @A = common global [1024 x float] zeroinitializer, align 16
23 @B = common global [1024 x float] zeroinitializer, align 16
25 define void @simple_vec_stride_x() nounwind {
29 bb2: ; preds = %bb5, %bb
30 %indvar = phi i64 [ %indvar.next, %bb5 ], [ 0, %bb ]
31 %tmp = mul i64 %indvar, 2
32 %scevgep = getelementptr [1024 x float], [1024 x float]* @B, i64 0, i64 %tmp
33 %scevgep1 = getelementptr [1024 x float], [1024 x float]* @A, i64 0, i64 %tmp
34 %exitcond = icmp ne i64 %indvar, 4
35 br i1 %exitcond, label %bb3, label %bb6
38 %tmp4 = load float* %scevgep1, align 8
39 store float %tmp4, float* %scevgep, align 8
43 %indvar.next = add i64 %indvar, 1
50 define i32 @main() nounwind {
52 call void @simple_vec_stride_x()
53 %tmp = load float* getelementptr inbounds ([1024 x float]* @A, i64 0, i64 42), align 8
54 %tmp1 = fptosi float %tmp to i32
58 ; CHECK: [[LOAD1:%[a-zA-Z0-9_]+_scalar_]] = load float*
59 ; CHECK: [[VEC1:%[a-zA-Z0-9_]+]] = insertelement <4 x float> undef, float [[LOAD1]], i32 0
60 ; CHECK: [[LOAD2:%[a-zA-Z0-9_]+]] = load float*
61 ; CHECK: [[VEC2:%[a-zA-Z0-9_]+]] = insertelement <4 x float> [[VEC1]], float [[LOAD2]], i32 1
62 ; CHECK: [[LOAD3:%[a-zA-Z0-9_]+]] = load float*
63 ; CHECK: [[VEC3:%[a-zA-Z0-9_]+]] = insertelement <4 x float> [[VEC2]], float [[LOAD3]], i32 2
64 ; CHECK: [[LOAD4:%[a-zA-Z0-9_]+]] = load float*
65 ; CHECK: [[VEC4:%[a-zA-Z0-9_]+]] = insertelement <4 x float> [[VEC3]], float [[LOAD4]], i32 3
66 ; CHECK: [[EL1:%[a-zA-Z0-9_]+]] = extractelement <4 x float> [[VEC4]], i32 0
67 ; CHECK: store float [[EL1]]
68 ; CHECK: [[EL2:%[a-zA-Z0-9_]+]] = extractelement <4 x float> [[VEC4]], i32 1
69 ; CHECK: store float [[EL2]]
70 ; CHECK: [[EL3:%[a-zA-Z0-9_]+]] = extractelement <4 x float> [[VEC4]], i32 2
71 ; CHECK: store float [[EL3]]
72 ; CHECK: [[EL4:%[a-zA-Z0-9_]+]] = extractelement <4 x float> [[VEC4]], i32 3
73 ; CHECK: store float [[EL4]]