1 ; RUN: opt < %s -analyze -basicaa -globalsmodref-aa -da | FileCheck %s
2 define void @i32_subscript(i32* %a) {
7 %i = phi i32 [ 0, %entry ], [ %i.inc, %for.body ]
8 %a.addr = getelementptr i32, i32* %a, i32 %i
9 %a.addr.2 = getelementptr i32, i32* %a, i32 5
10 %0 = load i32, i32* %a.addr, align 4
12 store i32 %1, i32* %a.addr.2, align 4
13 %i.inc = add nsw i32 %i, 1
14 %i.inc.ext = sext i32 %i to i64
15 %exitcond = icmp ne i64 %i.inc.ext, 100
16 br i1 %exitcond, label %for.body, label %for.end
26 ; Test for a bug, which caused an assert in ScalarEvolution because
27 ; the Dependence Analyzer attempted to zero extend a type to a smaller
30 ; void t(unsigned int *a, unsigned int n) {
31 ; for (unsigned int i = 0; i != n; i++) {
32 ; a[(unsigned short)i] = g;
35 @g = common global i32 0, align 4
37 define void @t(i32* noalias %a, i32 %n) nounwind {
39 %cmp1 = icmp eq i32 %n, 0
40 br i1 %cmp1, label %for.end, label %for.body
43 %i.02 = phi i32 [ %inc, %for.body ], [ 0, %entry ]
44 %0 = load i32, i32* @g, align 4
45 %idxprom = and i32 %i.02, 65535
46 %arrayidx = getelementptr inbounds i32, i32* %a, i32 %idxprom
47 store i32 %0, i32* %arrayidx, align 4
48 %inc = add i32 %i.02, 1
49 %cmp = icmp eq i32 %inc, %n
50 br i1 %cmp, label %for.end, label %for.body
59 define void @i16_wrap(i64* %a) {
63 %i = phi i64 [0, %entry], [%i.inc, %for.inc]
64 %i.tr = trunc i64 %i to i16
65 %idx = getelementptr i64, i64* %a, i16 %i.tr
66 %0 = load i64, i64* %idx
68 store i64 %1, i64* %idx
72 %i.inc = add nuw i64 %i, 1
73 %cmp = icmp ult i64 %i.inc, 17179869184
74 br i1 %cmp, label %for.body, label %for.end
82 define void @i8_stride_wrap(i32* noalias %a, i32* noalias %b) {
86 %i = phi i32 [1,%entry], [%i.inc, %for.inc]
87 %i.tr = trunc i32 %i to i8
88 %idx = getelementptr i32, i32* %a, i8 %i.tr
89 %idx.2 = getelementptr i32, i32* %b, i32 %i
90 %0 = load i32, i32* %idx, align 4
92 store i32 %1, i32* %idx.2, align 4
96 %i.inc = add nsw i32 %i, 256
97 %exitcond = icmp ult i32 %i, 65536
98 br i1 %exitcond, label %for.body, label %for.end