xref: /llvm-project/llvm/test/Transforms/SLPVectorizer/X86/scatter-vectorize-reused-pointer.ll (revision f3d2609af3031ddb54030548e86335f295cf49ca)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt -S -passes=slp-vectorizer < %s -mtriple=x86_64-unknown-linux-gnu -mcpu=skylake -slp-threshold=-14 | FileCheck %s
3
4define void @test(i1 %c, ptr %arg) {
5; CHECK-LABEL: @test(
6; CHECK-NEXT:    br i1 [[C:%.*]], label [[IF:%.*]], label [[ELSE:%.*]]
7; CHECK:       if:
8; CHECK-NEXT:    [[ARG2_2:%.*]] = getelementptr inbounds i8, ptr [[ARG:%.*]], i64 24
9; CHECK-NEXT:    [[TMP1:%.*]] = load <2 x i64>, ptr [[ARG]], align 8
10; CHECK-NEXT:    [[TMP2:%.*]] = shufflevector <2 x i64> [[TMP1]], <2 x i64> poison, <2 x i32> <i32 1, i32 0>
11; CHECK-NEXT:    [[TMP3:%.*]] = load <2 x i64>, ptr [[ARG2_2]], align 8
12; CHECK-NEXT:    [[TMP4:%.*]] = shufflevector <2 x i64> [[TMP3]], <2 x i64> poison, <2 x i32> <i32 1, i32 0>
13; CHECK-NEXT:    [[TMP5:%.*]] = call <4 x i64> @llvm.vector.insert.v4i64.v2i64(<4 x i64> poison, <2 x i64> [[TMP4]], i64 0)
14; CHECK-NEXT:    [[TMP6:%.*]] = call <4 x i64> @llvm.vector.insert.v4i64.v2i64(<4 x i64> [[TMP5]], <2 x i64> [[TMP2]], i64 2)
15; CHECK-NEXT:    br label [[JOIN:%.*]]
16; CHECK:       else:
17; CHECK-NEXT:    [[ARG_2:%.*]] = getelementptr inbounds i8, ptr [[ARG]], i64 24
18; CHECK-NEXT:    [[TMP7:%.*]] = load <2 x i64>, ptr [[ARG]], align 8
19; CHECK-NEXT:    [[TMP8:%.*]] = shufflevector <2 x i64> [[TMP7]], <2 x i64> poison, <2 x i32> <i32 1, i32 0>
20; CHECK-NEXT:    [[TMP9:%.*]] = load <2 x i64>, ptr [[ARG_2]], align 8
21; CHECK-NEXT:    [[TMP10:%.*]] = shufflevector <2 x i64> [[TMP9]], <2 x i64> poison, <2 x i32> <i32 1, i32 0>
22; CHECK-NEXT:    [[TMP11:%.*]] = call <4 x i64> @llvm.vector.insert.v4i64.v2i64(<4 x i64> poison, <2 x i64> [[TMP10]], i64 0)
23; CHECK-NEXT:    [[TMP12:%.*]] = call <4 x i64> @llvm.vector.insert.v4i64.v2i64(<4 x i64> [[TMP11]], <2 x i64> [[TMP8]], i64 2)
24; CHECK-NEXT:    br label [[JOIN]]
25; CHECK:       join:
26; CHECK-NEXT:    [[TMP13:%.*]] = phi <4 x i64> [ [[TMP6]], [[IF]] ], [ [[TMP12]], [[ELSE]] ]
27; CHECK-NEXT:    ret void
28;
29  br i1 %c, label %if, label %else
30
31if:
32  %i2.0 = load i64, ptr %arg, align 8
33  %arg2.1 = getelementptr inbounds i8, ptr %arg, i64 8
34  %i2.1 = load i64, ptr %arg2.1, align 8
35  %arg2.2 = getelementptr inbounds i8, ptr %arg, i64 24
36  %i2.2 = load i64, ptr %arg2.2, align 8
37  %arg2.3 = getelementptr inbounds i8, ptr %arg, i64 32
38  %i2.3 = load i64, ptr %arg2.3, align 8
39  br label %join
40
41else:
42  %i.0 = load i64, ptr %arg, align 8
43  %arg.1 = getelementptr inbounds i8, ptr %arg, i64 8
44  %i.1 = load i64, ptr %arg.1, align 8
45  %arg.2 = getelementptr inbounds i8, ptr %arg, i64 24
46  %i.2 = load i64, ptr %arg.2, align 8
47  %arg.3 = getelementptr inbounds i8, ptr %arg, i64 32
48  %i.3 = load i64, ptr %arg.3, align 8
49  br label %join
50
51join:
52  %phi.3 = phi i64 [ %i2.3, %if ], [ %i.3, %else ]
53  %phi.2 = phi i64 [ %i2.2, %if ], [ %i.2, %else ]
54  %phi.1 = phi i64 [ %i2.1, %if ], [ %i.1, %else ]
55  %phi.0 = phi i64 [ %i2.0, %if ], [ %i.0, %else ]
56  ret void
57}
58
59