1 ; RUN: opt < %s -disable-output "-passes=print<da>" -aa-pipeline=basic-aa 2>&1 \
2 ; RUN: | FileCheck %s -check-prefix=DELIN
4 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
5 target triple = "x86_64-apple-macosx10.6.0"
7 ; for (int i = 0; i < 100; ++i) {
12 ; The subscript 5 in a[i][5] is deliberately an i32, mismatching the types of
13 ; other subscript. DependenceAnalysis before the fix crashed due to this
15 define void @i32_subscript(ptr %a, ptr %b) {
16 ; DELIN-LABEL: 'Dependence Analysis' for function 'i32_subscript'
21 ; DELIN: da analyze - none!
22 ; DELIN: da analyze - anti [=|<]!
23 ; DELIN: da analyze - none!
24 %i = phi i64 [ 0, %entry ], [ %i.inc, %for.body ]
25 %a.addr = getelementptr [100 x [100 x i32]], ptr %a, i64 0, i64 %i, i64 %i
26 %a.addr.2 = getelementptr [100 x [100 x i32]], ptr %a, i64 0, i64 %i, i32 5
27 %0 = load i32, ptr %a.addr, align 4
29 store i32 %1, ptr %a.addr.2, align 4
30 %i.inc = add nsw i64 %i, 1
31 %exitcond = icmp ne i64 %i.inc, 100
32 br i1 %exitcond, label %for.body, label %for.end
39 ; for (i = 1; i < SIZE; i++) {
40 ; for (j = i; j < SIZE; j++) {
41 ; a[i][j] = a[i+1][j-1] + 2;
44 ; Extends the previous example to coupled MIV subscripts.
47 @a = global [10004 x [10004 x i32]] zeroinitializer, align 16
49 ; Function Attrs: nounwind uwtable
50 define void @coupled_miv_type_mismatch(i32 %n) #0 {
51 ; DELIN-LABEL: 'Dependence Analysis' for function 'coupled_miv_type_mismatch'
55 ; DELIN: da analyze - none!
56 ; DELIN: da analyze - consistent anti [1 -2]!
57 ; DELIN: da analyze - none!
58 for.cond: ; preds = %for.inc11, %entry
59 %indvars.iv11 = phi i64 [ %indvars.iv.next12, %for.inc11 ], [ 1, %entry ]
60 %exitcond14 = icmp ne i64 %indvars.iv11, 10000
61 br i1 %exitcond14, label %for.cond1.preheader, label %for.end13
63 for.cond1.preheader: ; preds = %for.cond
64 %0 = trunc i64 %indvars.iv11 to i32
67 for.cond1: ; preds = %for.cond1.preheader, %for.body3
68 %indvars.iv8 = phi i64 [ %indvars.iv11, %for.cond1.preheader ], [ %indvars.iv.next9, %for.body3 ]
69 %j.0 = phi i32 [ %inc, %for.body3 ], [ %0, %for.cond1.preheader ]
70 %lftr.wideiv = trunc i64 %indvars.iv8 to i32
71 %exitcond = icmp ne i32 %lftr.wideiv, 10000
72 br i1 %exitcond, label %for.body3, label %for.inc11
74 for.body3: ; preds = %for.cond1
75 %sub = add nsw i32 %j.0, -1
76 %idxprom = zext i32 %sub to i64
77 %1 = add nuw nsw i64 %indvars.iv11, 1
78 %arrayidx5 = getelementptr inbounds [10004 x [10004 x i32]], ptr @a, i64 0, i64 %1, i64 %idxprom
79 %2 = load i32, ptr %arrayidx5, align 4
80 %add6 = add nsw i32 %2, 2
81 %arrayidx10 = getelementptr inbounds [10004 x [10004 x i32]], ptr @a, i64 0, i64 %indvars.iv11, i64 %indvars.iv8
82 store i32 %add6, ptr %arrayidx10, align 4
83 %indvars.iv.next9 = add nuw nsw i64 %indvars.iv8, 1
84 %inc = add nuw nsw i32 %j.0, 1
87 for.inc11: ; preds = %for.cond1
88 %indvars.iv.next12 = add nuw nsw i64 %indvars.iv11, 1
91 for.end13: ; preds = %for.cond
95 attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+sse,+sse2" "unsafe-fp-math"="false" "use-soft-float"="false" }
99 !0 = !{!"clang version 3.7.0"}