1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt -S -instcombine < %s | FileCheck %s
3; Check that we don't crash on unreasonable constant indexes
4
5define i32 @test_out_of_bounds(i32 %a, i1 %x, i1 %y) {
6; CHECK-LABEL: @test_out_of_bounds(
7; CHECK-NEXT:  entry:
8; CHECK-NEXT:    [[AND1:%.*]] = and i32 [[A:%.*]], 3
9; CHECK-NEXT:    tail call void @llvm.assume(i1 undef)
10; CHECK-NEXT:    ret i32 [[AND1]]
11;
12entry:
13  %and1 = and i32 %a, 3
14  %B = lshr i32 %and1, -2147483648
15  %cmp = icmp eq i32 %B, 1
16  tail call void @llvm.assume(i1 %cmp)
17  ret i32 %and1
18}
19
20define i128 @test_non64bit(i128 %a) {
21; CHECK-LABEL: @test_non64bit(
22; CHECK-NEXT:    [[AND1:%.*]] = and i128 [[A:%.*]], 3
23; CHECK-NEXT:    tail call void @llvm.assume(i1 undef)
24; CHECK-NEXT:    ret i128 [[AND1]]
25;
26  %and1 = and i128 %a, 3
27  %B = lshr i128 %and1, -1
28  %cmp = icmp eq i128 %B, 1
29  tail call void @llvm.assume(i1 %cmp)
30  ret i128 %and1
31}
32
33declare void @llvm.assume(i1)
34
35define <4 x double> @inselt_bad_index(<4 x double> %a) {
36; CHECK-LABEL: @inselt_bad_index(
37; CHECK-NEXT:    ret <4 x double> undef
38;
39  %I = insertelement <4 x double> %a, double 0.0, i64 4294967296
40  ret <4 x double> %I
41}
42