1 ; RUN: opt < %s -bounds-checking -S | FileCheck %s
2 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"
4 @.str = private constant [8 x i8] c"abcdefg\00" ; <[8 x i8]*>
6 declare noalias i8* @malloc(i64) nounwind
7 declare noalias i8* @calloc(i64, i64) nounwind
8 declare noalias i8* @realloc(i8* nocapture, i64) nounwind
11 define void @f1() nounwind {
12 %1 = tail call i8* @malloc(i64 32)
13 %2 = bitcast i8* %1 to i32*
14 %idx = getelementptr inbounds i32* %2, i64 2
16 store i32 3, i32* %idx, align 4
21 define void @f2() nounwind {
22 %1 = tail call i8* @malloc(i64 32)
23 %2 = bitcast i8* %1 to i32*
24 %idx = getelementptr inbounds i32* %2, i64 8
26 store i32 3, i32* %idx, align 4
31 define void @f3(i64 %x) nounwind {
32 %1 = tail call i8* @calloc(i64 4, i64 %x)
33 %2 = bitcast i8* %1 to i32*
34 %idx = getelementptr inbounds i32* %2, i64 8
36 ; CHECK: sub i64 {{.*}}, 32
37 ; CHECK-NEXT: icmp ult i64 {{.*}}, 32
38 ; CHECK-NEXT: icmp ult i64 {{.*}}, 4
41 store i32 3, i32* %idx, align 4
46 define void @f4(i64 %x) nounwind {
47 %1 = tail call i8* @realloc(i8* null, i64 %x) nounwind
48 %2 = bitcast i8* %1 to i32*
49 %idx = getelementptr inbounds i32* %2, i64 8
51 %3 = load i32* %idx, align 4
56 define void @f5(i64 %x) nounwind {
57 %idx = getelementptr inbounds [8 x i8]* @.str, i64 0, i64 %x
59 %1 = load i8* %idx, align 4
64 define void @f6(i64 %x) nounwind {
67 %2 = load i128* %1, align 4
72 define void @f7(i64 %x) nounwind {
73 %1 = alloca i128, i64 %x
76 %2 = load i128* %1, align 4
81 define void @f8() nounwind {
84 %3 = select i1 undef, i128* %1, i128* %2
86 %4 = load i128* %3, align 4
91 define void @f9(i128* %arg) nounwind {
93 %2 = select i1 undef, i128* %arg, i128* %1
95 %3 = load i128* %2, align 4
100 define void @f10(i64 %x, i64 %y) nounwind {
101 %1 = alloca i128, i64 %x
102 %2 = alloca i128, i64 %y
103 %3 = select i1 undef, i128* %1, i128* %2
107 %4 = load i128* %3, align 4
112 define void @f11(i128* byval %x) nounwind {
113 %1 = bitcast i128* %x to i8*
114 %2 = getelementptr inbounds i8* %1, i64 16
116 %3 = load i8* %2, align 4
121 define i64 @f12(i64 %x, i64 %y) nounwind {
122 %1 = tail call i8* @calloc(i64 1, i64 %x)
123 ; CHECK: mul i64 %y, 8
124 %2 = bitcast i8* %1 to i64*
125 %3 = getelementptr inbounds i64* %2, i64 %y
126 %4 = load i64* %3, align 8