1d077d678SBjorn Pettersson; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2ec9ccb16SBjorn Pettersson; RUN: opt < %s -passes=instsimplify -S | FileCheck %s 3d077d678SBjorn Pettersson 4d077d678SBjorn Pettersson; Reproducer for a crash in computeKnownBitsFromOperator due to blindly 5d077d678SBjorn Pettersson; casting from llvm::Operator to ExtractElementInst. That does not work 6d077d678SBjorn Pettersson; if the Operator is a ConstantExpr. 7d077d678SBjorn Pettersson@g = global [21 x i32] zeroinitializer 8d077d678SBjorn Petterssondefine i32 @test1(i32 %a) { 9d077d678SBjorn Pettersson; CHECK-LABEL: @test1( 10*7fbbbfd6SNikita Popov; CHECK-NEXT: [[T:%.*]] = sub i32 [[A:%.*]], extractelement (<4 x i32> ptrtoint (<4 x ptr> getelementptr inbounds ([21 x i32], ptr @g, <4 x i32> zeroinitializer, <4 x i32> <i32 1, i32 2, i32 3, i32 17>) to <4 x i32>), i32 3) 11d077d678SBjorn Pettersson; CHECK-NEXT: ret i32 [[T]] 12d077d678SBjorn Pettersson; 13*7fbbbfd6SNikita Popov %t = sub i32 %a, extractelement (<4 x i32> ptrtoint (<4 x ptr> getelementptr inbounds ([21 x i32], ptr @g, <4 x i32> zeroinitializer, <4 x i32> <i32 1, i32 2, i32 3, i32 17>) to <4 x i32>), i32 3) 14d077d678SBjorn Pettersson ret i32 %t 15d077d678SBjorn Pettersson} 16