xref: /llvm-project/llvm/test/Transforms/SLPVectorizer/X86/cse_extractelement.ll (revision b10ecfa914dd1bc2013584917d0505ba5f15f75c)
1d7c85d7eSAlexey Bataev; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
23be72f40SBjorn Pettersson; RUN: opt -passes=slp-vectorizer -slp-vectorize-hor -slp-vectorize-hor-store -S < %s -mtriple=x86_64-unknown-linux-gnu | FileCheck %s
3d7c85d7eSAlexey Bataev
4580210a0SNikita Popovdefine void @test(ptr %ptr, ptr noalias %s)  {
5d7c85d7eSAlexey Bataev; CHECK-LABEL: @test(
6d7c85d7eSAlexey Bataev; CHECK-NEXT:  entry:
7580210a0SNikita Popov; CHECK-NEXT:    [[CMP:%.*]] = icmp eq ptr [[PTR:%.*]], null
8d7c85d7eSAlexey Bataev; CHECK-NEXT:    br i1 [[CMP]], label [[LOOP:%.*]], label [[BAIL_OUT:%.*]]
9d7c85d7eSAlexey Bataev; CHECK:       loop:
10*b10ecfa9SAlexey Bataev; CHECK-NEXT:    [[TMP0:%.*]] = load <4 x i32>, ptr [[PTR]], align 4
11*b10ecfa9SAlexey Bataev; CHECK-NEXT:    [[TMP1:%.*]] = load i32, ptr [[PTR]], align 4
12*b10ecfa9SAlexey Bataev; CHECK-NEXT:    store <4 x i32> [[TMP0]], ptr [[S:%.*]], align 4
13d7c85d7eSAlexey Bataev; CHECK-NEXT:    br label [[LOOP1:%.*]]
14d7c85d7eSAlexey Bataev; CHECK:       loop1:
15*b10ecfa9SAlexey Bataev; CHECK-NEXT:    store i32 [[TMP1]], ptr [[S]], align 4
16d7c85d7eSAlexey Bataev; CHECK-NEXT:    br i1 true, label [[LOOP1]], label [[CONT:%.*]]
17d7c85d7eSAlexey Bataev; CHECK:       cont:
18d7c85d7eSAlexey Bataev; CHECK-NEXT:    br i1 true, label [[LOOP]], label [[BAIL_OUT]]
19d7c85d7eSAlexey Bataev; CHECK:       bail_out:
20*b10ecfa9SAlexey Bataev; CHECK-NEXT:    [[DUMMY_PHI:%.*]] = phi i32 [ 1, [[ENTRY:%.*]] ], [ [[TMP1]], [[CONT]] ]
21580210a0SNikita Popov; CHECK-NEXT:    store i32 [[DUMMY_PHI]], ptr [[S]], align 4
22d7c85d7eSAlexey Bataev; CHECK-NEXT:    ret void
23d7c85d7eSAlexey Bataev;
24d7c85d7eSAlexey Bataeventry:
25580210a0SNikita Popov  %cmp = icmp eq ptr %ptr, null
26d7c85d7eSAlexey Bataev  br i1 %cmp, label %loop, label %bail_out
27d7c85d7eSAlexey Bataev
28d7c85d7eSAlexey Bataevloop:
29580210a0SNikita Popov  %0 = load i32, ptr %ptr , align 4
30580210a0SNikita Popov  %1 = getelementptr inbounds i32, ptr %ptr, i64 1
31580210a0SNikita Popov  %2 = load i32, ptr %1 , align 4
32580210a0SNikita Popov  %3 = getelementptr inbounds i32, ptr %ptr, i64 2
33580210a0SNikita Popov  %4 = load i32, ptr %3 , align 4
34580210a0SNikita Popov  %5 = getelementptr inbounds i32, ptr %ptr, i64 3
35580210a0SNikita Popov  %6 = load i32, ptr %5 , align 4
36580210a0SNikita Popov  store i32 %0, ptr %s, align 4
37580210a0SNikita Popov  %7 = getelementptr inbounds i32, ptr %s, i64 1
38580210a0SNikita Popov  store i32 %2, ptr %7, align 4
39580210a0SNikita Popov  %8 = getelementptr inbounds i32, ptr %s, i64 2
40580210a0SNikita Popov  store i32 %4, ptr %8, align 4
41580210a0SNikita Popov  %9 = getelementptr inbounds i32, ptr %s, i64 3
42580210a0SNikita Popov  store i32 %6, ptr %9, align 4
43d7c85d7eSAlexey Bataev  br label %loop1
44d7c85d7eSAlexey Bataev
45d7c85d7eSAlexey Bataevloop1:
46580210a0SNikita Popov  store i32 %0, ptr %s, align 4
47d7c85d7eSAlexey Bataev  br i1 true, label %loop1, label %cont
48d7c85d7eSAlexey Bataev
49d7c85d7eSAlexey Bataevcont:
50d7c85d7eSAlexey Bataev  br i1 true, label %loop, label %bail_out
51d7c85d7eSAlexey Bataev
52d7c85d7eSAlexey Bataevbail_out:
53d7c85d7eSAlexey Bataev  %dummy_phi = phi i32 [ 1, %entry ], [ %0, %cont ]
54580210a0SNikita Popov  store i32 %dummy_phi, ptr %s, align 4
55d7c85d7eSAlexey Bataev  ret void
56d7c85d7eSAlexey Bataev}
57d7c85d7eSAlexey Bataev
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