xref: /llvm-project/llvm/test/Transforms/SLPVectorizer/reused-scalar-in-multi-node.ll (revision 15ee17c3ce34623261788d7de3c1bdf5860be34e)
1*15ee17c3SElvina Yakubova; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 3
2*15ee17c3SElvina Yakubova; RUN: %if x86-registered-target %{ opt -S --passes=slp-vectorizer -mtriple=x86_64-unknown-linux-gnu < %s | FileCheck %s %}
3*15ee17c3SElvina Yakubova; RUN: %if aarch64-registered-target %{ opt -S --passes=slp-vectorizer -mtriple=aarch64-unknown-linux-gnu < %s | FileCheck %s %}
4*15ee17c3SElvina Yakubova
5*15ee17c3SElvina Yakubova%struct.UFP = type { i32, i32, i32, [4 x i32] }
6*15ee17c3SElvina Yakubova
7*15ee17c3SElvina Yakubovadefine void @test(ptr %u) {
8*15ee17c3SElvina Yakubova; CHECK-LABEL: define void @test(
9*15ee17c3SElvina Yakubova; CHECK-SAME: ptr [[U:%.*]]) {
10*15ee17c3SElvina Yakubova; CHECK-NEXT:  entry:
11*15ee17c3SElvina Yakubova; CHECK-NEXT:    [[TMP0:%.*]] = load i32, ptr null, align 4
12*15ee17c3SElvina Yakubova; CHECK-NEXT:    [[IDX:%.*]] = getelementptr [[STRUCT_UFP:%.*]], ptr [[U]], i64 0, i32 3, i64 3
13*15ee17c3SElvina Yakubova; CHECK-NEXT:    [[IDX1:%.*]] = getelementptr [[STRUCT_UFP]], ptr [[U]], i64 0, i32 3, i64 2
14*15ee17c3SElvina Yakubova; CHECK-NEXT:    [[IDX2:%.*]] = load i32, ptr [[IDX]], align 4
15*15ee17c3SElvina Yakubova; CHECK-NEXT:    [[IDX3:%.*]] = load i32, ptr [[IDX1]], align 4
16*15ee17c3SElvina Yakubova; CHECK-NEXT:    br label [[WHILE:%.*]]
17*15ee17c3SElvina Yakubova; CHECK:       bb:
18*15ee17c3SElvina Yakubova; CHECK-NEXT:    store i32 [[OR_I_I:%.*]], ptr [[IDX]], align 4
19*15ee17c3SElvina Yakubova; CHECK-NEXT:    store i32 [[OR19_I_I:%.*]], ptr [[IDX1]], align 4
20*15ee17c3SElvina Yakubova; CHECK-NEXT:    ret void
21*15ee17c3SElvina Yakubova; CHECK:       while:
22*15ee17c3SElvina Yakubova; CHECK-NEXT:    [[TMP1:%.*]] = phi i32 [ [[TMP0]], [[ENTRY:%.*]] ], [ [[OR26_I_I:%.*]], [[WHILE]] ]
23*15ee17c3SElvina Yakubova; CHECK-NEXT:    [[TMP2:%.*]] = phi i32 [ [[IDX3]], [[ENTRY]] ], [ [[OR19_I_I]], [[WHILE]] ]
24*15ee17c3SElvina Yakubova; CHECK-NEXT:    [[TMP3:%.*]] = phi i32 [ [[IDX2]], [[ENTRY]] ], [ 0, [[WHILE]] ]
25*15ee17c3SElvina Yakubova; CHECK-NEXT:    [[OR_I_I]] = tail call i32 @llvm.fshl.i32(i32 [[TMP2]], i32 0, i32 0)
26*15ee17c3SElvina Yakubova; CHECK-NEXT:    [[OR19_I_I]] = tail call i32 @llvm.fshl.i32(i32 [[TMP1]], i32 [[TMP2]], i32 0)
27*15ee17c3SElvina Yakubova; CHECK-NEXT:    [[OR26_I_I]] = tail call i32 @llvm.fshl.i32(i32 0, i32 [[TMP1]], i32 0)
28*15ee17c3SElvina Yakubova; CHECK-NEXT:    br i1 false, label [[BB:%.*]], label [[WHILE]]
29*15ee17c3SElvina Yakubova;
30*15ee17c3SElvina Yakubovaentry:
31*15ee17c3SElvina Yakubova  %0 = load i32, ptr null, align 4
32*15ee17c3SElvina Yakubova  %idx = getelementptr %struct.UFP, ptr %u, i64 0, i32 3, i64 3
33*15ee17c3SElvina Yakubova  %idx1 = getelementptr %struct.UFP, ptr %u, i64 0, i32 3, i64 2
34*15ee17c3SElvina Yakubova  %idx2 = load i32, ptr %idx, align 4
35*15ee17c3SElvina Yakubova  %idx3 = load i32, ptr %idx1, align 4
36*15ee17c3SElvina Yakubova  br label %while
37*15ee17c3SElvina Yakubova
38*15ee17c3SElvina Yakubovabb:
39*15ee17c3SElvina Yakubova  store i32 %or.i.i, ptr %idx, align 4
40*15ee17c3SElvina Yakubova  store i32 %or19.i.i, ptr %idx1, align 4
41*15ee17c3SElvina Yakubova  ret void
42*15ee17c3SElvina Yakubova
43*15ee17c3SElvina Yakubovawhile:
44*15ee17c3SElvina Yakubova  %1 = phi i32 [ %0, %entry ], [ %or26.i.i, %while ]
45*15ee17c3SElvina Yakubova  %2 = phi i32 [ %idx3, %entry ], [ %or19.i.i, %while ]
46*15ee17c3SElvina Yakubova  %3 = phi i32 [ %idx2, %entry ], [ 0, %while ]
47*15ee17c3SElvina Yakubova  %or.i.i = tail call i32 @llvm.fshl.i32(i32 %2, i32 0, i32 0)
48*15ee17c3SElvina Yakubova  %or19.i.i = tail call i32 @llvm.fshl.i32(i32 %1, i32 %2, i32 0)
49*15ee17c3SElvina Yakubova  %or26.i.i = tail call i32 @llvm.fshl.i32(i32 0, i32 %1, i32 0)
50*15ee17c3SElvina Yakubova  br i1 false, label %bb, label %while
51*15ee17c3SElvina Yakubova}
52*15ee17c3SElvina Yakubova
53*15ee17c3SElvina Yakubovadeclare i32 @llvm.fshl.i32(i32, i32, i32)
54