xref: /llvm-project/llvm/test/Transforms/SLPVectorizer/scalarization-overhead.ll (revision 91a0fecf194b09fb8a0d8bdfb92c50b2addd29de)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: %if x86-registered-target %{ opt -mtriple=x86_64-- -passes=slp-vectorizer -S < %s | FileCheck %s %}
3; RUN: %if aarch64-registered-target %{ opt -mtriple=aarch64-- -passes=slp-vectorizer -S < %s | FileCheck %s %}
4
5; Crash Test case reported on D134605
6
7define void @D134605() {
8; CHECK-LABEL: @D134605(
9; CHECK-NEXT:  entry:
10; CHECK-NEXT:    [[ARRAYIDX81:%.*]] = getelementptr inbounds [32 x i16], ptr poison, i16 0, i16 3
11; CHECK-NEXT:    [[TMP0:%.*]] = load i16, ptr [[ARRAYIDX81]], align 1
12; CHECK-NEXT:    [[TMP1:%.*]] = load <4 x i16>, ptr poison, align 1
13; CHECK-NEXT:    [[REASS_ADD:%.*]] = add i16 poison, [[TMP0]]
14; CHECK-NEXT:    [[TMP2:%.*]] = call i16 @llvm.vector.reduce.add.v4i16(<4 x i16> [[TMP1]])
15; CHECK-NEXT:    [[TMP3:%.*]] = mul i16 [[TMP2]], 2
16; CHECK-NEXT:    [[OP_RDX:%.*]] = add i16 [[TMP3]], poison
17; CHECK-NEXT:    [[REASS_MUL24:%.*]] = shl i16 [[OP_RDX]], 2
18; CHECK-NEXT:    [[CALL:%.*]] = call i16 @check_i16(i16 noundef 1, i16 noundef [[REASS_MUL24]], i16 noundef 5120)
19; CHECK-NEXT:    ret void
20;
21entry:
22  %arrayidx81 = getelementptr inbounds [32 x i16], ptr poison, i16 0, i16 3
23  %0 = load i16, ptr %arrayidx81, align 1
24  %1 = load i16, ptr poison, align 1
25  %arrayidx101 = getelementptr inbounds [32 x i16], ptr poison, i16 0, i16 1
26  %2 = load i16, ptr %arrayidx101, align 1
27  %arrayidx107 = getelementptr inbounds [32 x i16], ptr poison, i16 0, i16 2
28  %3 = load i16, ptr %arrayidx107, align 1
29  %reass.add = add i16 poison, %0
30  %add116 = add i16 %1, %0
31  %add122 = add i16 %add116, %2
32  %add124 = add i16 %add122, %3
33  %add125 = add i16 %add124, poison
34  %factor2531 = add i16 %3, %add125
35  %add14332 = add i16 %factor2531, %2
36  %add14933 = add i16 %add14332, %1
37  %add15534 = add i16 %add14933, %0
38  %add15935 = add i16 %add15534, poison
39  %reass.mul24 = shl i16 %add15935, 2
40  %call = call i16 @check_i16(i16 noundef 1, i16 noundef %reass.mul24, i16 noundef 5120)
41  ret void
42}
43declare i16 @check_i16(i16, i16, i16)
44
45
46define void @PR58054() {
47; CHECK-LABEL: @PR58054(
48; CHECK-NEXT:    [[VAL:%.*]] = add i64 poison, poison
49; CHECK-NEXT:    [[VAL2:%.*]] = add i64 poison, poison
50; CHECK-NEXT:    [[VAL3:%.*]] = mul i64 [[VAL2]], [[VAL]]
51; CHECK-NEXT:    [[VAL4:%.*]] = mul i64 [[VAL3]], [[VAL2]]
52; CHECK-NEXT:    [[VAL5:%.*]] = mul i64 [[VAL4]], [[VAL2]]
53; CHECK-NEXT:    [[VAL7:%.*]] = add i64 [[VAL]], [[VAL5]]
54; CHECK-NEXT:    [[VAL8:%.*]] = sitofp i64 [[VAL7]] to double
55; CHECK-NEXT:    call void @wibble(i32 poison, double [[VAL8]], i64 poison)
56; CHECK-NEXT:    ret void
57;
58  %val = add i64 poison, poison
59  %val2 = add i64 poison, poison
60  %val3 = mul i64 %val2, %val
61  %val4 = mul i64 %val3, %val2
62  %val5 = mul i64 %val4, %val2
63  %val7 = add i64 %val, %val5
64  %val8 = sitofp i64 %val7 to double
65  call void @wibble(i32 poison, double %val8, i64 poison)
66  ret void
67}
68declare void @wibble(i32, double, i64)
69