1 ; RUN: opt < %s -basicaa -slp-vectorizer -dce -S -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7-avx | FileCheck %s
3 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-S128"
4 target triple = "x86_64-apple-macosx10.8.0"
6 ; Simple 3-pair chain with loads and stores
8 ; CHECK: store <2 x double>
10 define void @test1(double* %a, double* %b, double* %c) {
12 %i0 = load double, double* %a, align 8
13 %i1 = load double, double* %b, align 8
14 %mul = fmul double %i0, %i1
15 %arrayidx3 = getelementptr inbounds double, double* %a, i64 1
16 %i3 = load double, double* %arrayidx3, align 8
17 %arrayidx4 = getelementptr inbounds double, double* %b, i64 1
18 %i4 = load double, double* %arrayidx4, align 8
19 %mul5 = fmul double %i3, %i4
20 store double %mul, double* %c, align 8
21 %arrayidx5 = getelementptr inbounds double, double* %c, i64 1
22 store double %mul5, double* %arrayidx5, align 8
26 ; Simple 3-pair chain with loads and stores, obfuscated with bitcasts
28 ; CHECK: store <2 x double>
30 define void @test2(double* %a, double* %b, i8* %e) {
32 %i0 = load double, double* %a, align 8
33 %i1 = load double, double* %b, align 8
34 %mul = fmul double %i0, %i1
35 %arrayidx3 = getelementptr inbounds double, double* %a, i64 1
36 %i3 = load double, double* %arrayidx3, align 8
37 %arrayidx4 = getelementptr inbounds double, double* %b, i64 1
38 %i4 = load double, double* %arrayidx4, align 8
39 %mul5 = fmul double %i3, %i4
40 %c = bitcast i8* %e to double*
41 store double %mul, double* %c, align 8
42 %carrayidx5 = getelementptr inbounds i8, i8* %e, i64 8
43 %arrayidx5 = bitcast i8* %carrayidx5 to double*
44 store double %mul5, double* %arrayidx5, align 8
48 ; Don't vectorize volatile loads.
49 ; CHECK: test_volatile_load
50 ; CHECK-NOT: load <2 x double>
51 ; CHECK: store <2 x double>
53 define void @test_volatile_load(double* %a, double* %b, double* %c) {
55 %i0 = load volatile double, double* %a, align 8
56 %i1 = load volatile double, double* %b, align 8
57 %mul = fmul double %i0, %i1
58 %arrayidx3 = getelementptr inbounds double, double* %a, i64 1
59 %i3 = load double, double* %arrayidx3, align 8
60 %arrayidx4 = getelementptr inbounds double, double* %b, i64 1
61 %i4 = load double, double* %arrayidx4, align 8
62 %mul5 = fmul double %i3, %i4
63 store double %mul, double* %c, align 8
64 %arrayidx5 = getelementptr inbounds double, double* %c, i64 1
65 store double %mul5, double* %arrayidx5, align 8
69 ; Don't vectorize volatile stores.
70 ; CHECK: test_volatile_store
71 ; CHECK-NOT: store <2 x double>
73 define void @test_volatile_store(double* %a, double* %b, double* %c) {
75 %i0 = load double, double* %a, align 8
76 %i1 = load double, double* %b, align 8
77 %mul = fmul double %i0, %i1
78 %arrayidx3 = getelementptr inbounds double, double* %a, i64 1
79 %i3 = load double, double* %arrayidx3, align 8
80 %arrayidx4 = getelementptr inbounds double, double* %b, i64 1
81 %i4 = load double, double* %arrayidx4, align 8
82 %mul5 = fmul double %i3, %i4
83 store volatile double %mul, double* %c, align 8
84 %arrayidx5 = getelementptr inbounds double, double* %c, i64 1
85 store volatile double %mul5, double* %arrayidx5, align 8