# RUN: not llc -o - -run-pass=instruction-select -pass-remarks-missed=gisel %s 2>&1 | FileCheck %s --- | target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64--linux-gnu" define void @test_check_type() { ret void } ... --- name: test_check_type alignment: 4 legalized: true regBankSelected: true tracksRegLiveness: true registers: - { id: 0, class: gpr } - { id: 1, class: gpr } body: | bb.1 (%ir-block.0): liveins: $edi ; Intrinsic::x86_flags_read_u64 has a higher prority than ; Intrinsic::x86_int in the match table and both of them ; have two operands, but their IntrinsicID index is different. ; This causes crash when executing GIM_CheckType for Intrinsic::x86_int ; because Operand0 is not a register. ; Make sure we check whether the first operand is a register and ; reject if it's not. ; CHECK: cannot select: G_INTRINSIC_W_SIDE_EFFECTS intrinsic(@llvm.x86.int) %1:gpr(s32) = COPY $edi %0:gpr(s8) = G_TRUNC %1(s32) G_INTRINSIC_W_SIDE_EFFECTS intrinsic(@llvm.x86.int), %0(s8) RET 0 ...