xref: /llvm-project/llvm/test/Transforms/SLPVectorizer/X86/crash_scheduling.ll (revision 38fffa630ee80163dc65e759392ad29798905679)
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 | FileCheck %s
3
4target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
5target triple = "x86_64-apple-darwin13.3.0"
6
7define void @_foo(double %p1, double %p2, double %p3) #0 {
8; CHECK-LABEL: @_foo(
9; CHECK-NEXT:  entry:
10; CHECK-NEXT:    [[TAB1:%.*]] = alloca [256 x i32], align 16
11; CHECK-NEXT:    [[TAB2:%.*]] = alloca [256 x i32], align 16
12; CHECK-NEXT:    br label [[BB1:%.*]]
13; CHECK:       bb1:
14; CHECK-NEXT:    [[MUL20:%.*]] = fmul double [[P3:%.*]], 1.638400e+04
15; CHECK-NEXT:    [[ADD:%.*]] = fadd double [[MUL20]], 8.192000e+03
16; CHECK-NEXT:    [[TMP0:%.*]] = insertelement <2 x double> poison, double [[P2:%.*]], i32 0
17; CHECK-NEXT:    [[TMP1:%.*]] = insertelement <2 x double> [[TMP0]], double [[P1:%.*]], i32 1
18; CHECK-NEXT:    [[TMP2:%.*]] = fmul <2 x double> [[TMP1]], splat (double 1.638400e+04)
19; CHECK-NEXT:    [[TMP3:%.*]] = insertelement <2 x double> <double poison, double 0.000000e+00>, double [[ADD]], i32 0
20; CHECK-NEXT:    br label [[FOR_BODY:%.*]]
21; CHECK:       for.body:
22; CHECK-NEXT:    [[INDVARS_IV266:%.*]] = phi i64 [ 0, [[BB1]] ], [ [[INDVARS_IV_NEXT267:%.*]], [[FOR_BODY]] ]
23; CHECK-NEXT:    [[TMP4:%.*]] = phi <2 x double> [ [[TMP3]], [[BB1]] ], [ [[TMP6:%.*]], [[FOR_BODY]] ]
24; CHECK-NEXT:    [[TMP5:%.*]] = shufflevector <2 x double> [[TMP4]], <2 x double> poison, <2 x i32> <i32 1, i32 poison>
25; CHECK-NEXT:    [[X13:%.*]] = tail call i32 @_xfn(<2 x double> [[TMP5]])
26; CHECK-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds [256 x i32], ptr [[TAB1]], i64 0, i64 [[INDVARS_IV266]]
27; CHECK-NEXT:    store i32 [[X13]], ptr [[ARRAYIDX]], align 4, !tbaa [[TBAA0:![0-9]+]]
28; CHECK-NEXT:    [[X14:%.*]] = tail call i32 @_xfn(<2 x double> [[TMP4]])
29; CHECK-NEXT:    [[ARRAYIDX26:%.*]] = getelementptr inbounds [256 x i32], ptr [[TAB2]], i64 0, i64 [[INDVARS_IV266]]
30; CHECK-NEXT:    store i32 [[X14]], ptr [[ARRAYIDX26]], align 4, !tbaa [[TBAA0]]
31; CHECK-NEXT:    [[TMP6]] = fadd <2 x double> [[TMP2]], [[TMP4]]
32; CHECK-NEXT:    [[INDVARS_IV_NEXT267]] = add nuw nsw i64 [[INDVARS_IV266]], 1
33; CHECK-NEXT:    [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT267]], 256
34; CHECK-NEXT:    br i1 [[EXITCOND]], label [[RETURN:%.*]], label [[FOR_BODY]]
35; CHECK:       return:
36; CHECK-NEXT:    ret void
37;
38entry:
39  %tab1 = alloca [256 x i32], align 16
40  %tab2 = alloca [256 x i32], align 16
41  br label %bb1
42
43
44bb1:
45  %mul19 = fmul double %p1, 1.638400e+04
46  %mul20 = fmul double %p3, 1.638400e+04
47  %add = fadd double %mul20, 8.192000e+03
48  %mul21 = fmul double %p2, 1.638400e+04
49  ; The SLPVectorizer crashed when scheduling this block after it inserted an
50  ; insertelement instruction (during vectorizing the for.body block) at this position.
51  br label %for.body
52
53for.body:
54  %indvars.iv266 = phi i64 [ 0, %bb1 ], [ %indvars.iv.next267, %for.body ]
55  %t.0259 = phi double [ 0.000000e+00, %bb1 ], [ %add27, %for.body ]
56  %p3.addr.0258 = phi double [ %add, %bb1 ], [ %add28, %for.body ]
57  %vecinit.i.i237 = insertelement <2 x double> undef, double %t.0259, i32 0
58  %x13 = tail call i32 @_xfn(<2 x double> %vecinit.i.i237) #2
59  %arrayidx = getelementptr inbounds [256 x i32], ptr %tab1, i64 0, i64 %indvars.iv266
60  store i32 %x13, ptr %arrayidx, align 4, !tbaa !4
61  %vecinit.i.i = insertelement <2 x double> undef, double %p3.addr.0258, i32 0
62  %x14 = tail call i32 @_xfn(<2 x double> %vecinit.i.i) #2
63  %arrayidx26 = getelementptr inbounds [256 x i32], ptr %tab2, i64 0, i64 %indvars.iv266
64  store i32 %x14, ptr %arrayidx26, align 4, !tbaa !4
65  %add27 = fadd double %mul19, %t.0259
66  %add28 = fadd double %mul21, %p3.addr.0258
67  %indvars.iv.next267 = add nuw nsw i64 %indvars.iv266, 1
68  %exitcond = icmp eq i64 %indvars.iv.next267, 256
69  br i1 %exitcond, label %return, label %for.body
70
71return:
72  ret void
73}
74
75declare i32 @_xfn(<2 x double>) #4
76
77!3 = !{!"int", !5, i64 0}
78!4 = !{!3, !3, i64 0}
79!5 = !{!"omnipotent char", !6, i64 0}
80!6 = !{!"Simple C/C++ TBAA"}
81