1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt -S -passes=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: store i1 true, ptr poison, align 1 9; CHECK-NEXT: ret i32 poison 10; 11entry: 12 %and1 = and i32 %a, 3 13 %B = lshr i32 %and1, -2147483648 14 %cmp = icmp eq i32 %B, 1 15 tail call void @llvm.assume(i1 %cmp) 16 ret i32 %and1 17} 18 19define i128 @test_non64bit(i128 %a) { 20; CHECK-LABEL: @test_non64bit( 21; CHECK-NEXT: store i1 true, ptr poison, align 1 22; CHECK-NEXT: ret i128 poison 23; 24 %and1 = and i128 %a, 3 25 %B = lshr i128 %and1, -1 26 %cmp = icmp eq i128 %B, 1 27 tail call void @llvm.assume(i1 %cmp) 28 ret i128 %and1 29} 30 31declare void @llvm.assume(i1) 32 33define <4 x double> @inselt_bad_index(<4 x double> %a) { 34; CHECK-LABEL: @inselt_bad_index( 35; CHECK-NEXT: ret <4 x double> poison 36; 37 %I = insertelement <4 x double> %a, double 0.0, i64 4294967296 38 ret <4 x double> %I 39} 40