| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt < %s -instsimplify -S | FileCheck %s |
| |
| ; Reproducer for a crash in computeKnownBitsFromOperator due to blindly |
| ; casting from llvm::Operator to ExtractElementInst. That does not work |
| ; if the Operator is a ConstantExpr. |
| @g = global [21 x i32] zeroinitializer |
| define i32 @test1(i32 %a) { |
| ; CHECK-LABEL: @test1( |
| ; CHECK-NEXT: [[T:%.*]] = sub i32 [[A:%.*]], extractelement (<4 x i32> ptrtoint (<4 x i32*> getelementptr inbounds ([21 x i32], [21 x i32]* @g, <4 x i32> zeroinitializer, <4 x i32> <i32 1, i32 2, i32 3, i32 17>) to <4 x i32>), i32 3) |
| ; CHECK-NEXT: ret i32 [[T]] |
| ; |
| %t = sub i32 %a, extractelement (<4 x i32> ptrtoint (<4 x i32 *> getelementptr inbounds ([21 x i32], [21 x i32] * @g, <4 x i32> zeroinitializer, <4 x i32> <i32 1, i32 2, i32 3, i32 17>) to <4 x i32>), i32 3) |
| ret i32 %t |
| } |
