xref: /llvm-project/llvm/test/Transforms/SLPVectorizer/X86/align.ll (revision 580210a0c938531ef9fd79f9ffedb93eeb2e66c2)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt < %s -passes=slp-vectorizer -S -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7-avx | FileCheck %s
3
4target 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"
5target triple = "x86_64-apple-macosx10.8.0"
6
7; Simple 3-pair chain with loads and stores
8define void @test1(ptr %a, ptr %b, ptr %c) {
9; CHECK-LABEL: @test1(
10; CHECK-NEXT:  entry:
11; CHECK-NEXT:    [[AGG_TMP_I_I_SROA_0:%.*]] = alloca [3 x double], align 16
12; CHECK-NEXT:    [[STORE1:%.*]] = getelementptr inbounds [3 x double], ptr [[AGG_TMP_I_I_SROA_0]], i64 0, i64 1
13; CHECK-NEXT:    [[TMP1:%.*]] = load <2 x double>, ptr [[A:%.*]], align 8
14; CHECK-NEXT:    [[TMP3:%.*]] = load <2 x double>, ptr [[B:%.*]], align 8
15; CHECK-NEXT:    [[TMP4:%.*]] = fmul <2 x double> [[TMP1]], [[TMP3]]
16; CHECK-NEXT:    store <2 x double> [[TMP4]], ptr [[STORE1]], align 8
17; CHECK-NEXT:    ret void
18;
19entry:
20  %agg.tmp.i.i.sroa.0 = alloca [3 x double], align 16
21  %i0 = load double, ptr %a
22  %i1 = load double, ptr %b
23  %mul = fmul double %i0, %i1
24  %store1 = getelementptr inbounds [3 x double], ptr %agg.tmp.i.i.sroa.0, i64 0, i64 1
25  %store2 = getelementptr inbounds [3 x double], ptr %agg.tmp.i.i.sroa.0, i64 0, i64 2
26  %arrayidx3 = getelementptr inbounds double, ptr %a, i64 1
27  %i3 = load double, ptr %arrayidx3, align 8
28  %arrayidx4 = getelementptr inbounds double, ptr %b, i64 1
29  %i4 = load double, ptr %arrayidx4, align 8
30  %mul5 = fmul double %i3, %i4
31  store double %mul, ptr %store1
32  store double %mul5, ptr %store2, align 16
33  ret void
34}
35
36; Float has 4 byte abi alignment on x86_64. We must use the alignment of the
37; value being loaded/stored not the alignment of the pointer type.
38
39define void @test2(ptr %a, ptr %b) {
40; CHECK-LABEL: @test2(
41; CHECK-NEXT:  entry:
42; CHECK-NEXT:    [[TMP1:%.*]] = load <4 x float>, ptr [[A:%.*]], align 4
43; CHECK-NEXT:    store <4 x float> [[TMP1]], ptr [[B:%.*]], align 4
44; CHECK-NEXT:    ret void
45;
46entry:
47  %l0 = load float, ptr %a
48  %a1 = getelementptr inbounds float, ptr %a, i64 1
49  %l1 = load float, ptr %a1
50  %a2 = getelementptr inbounds float, ptr %a, i64 2
51  %l2 = load float, ptr %a2
52  %a3 = getelementptr inbounds float, ptr %a, i64 3
53  %l3 = load float, ptr %a3
54  store float %l0, ptr %b
55  %b1 = getelementptr inbounds float, ptr %b, i64 1
56  store float %l1, ptr %b1
57  %b2 = getelementptr inbounds float, ptr %b, i64 2
58  store float %l2, ptr %b2
59  %b3 = getelementptr inbounds float, ptr %b, i64 3
60  store float %l3, ptr %b3
61  ret void
62}
63