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60fb50a309
Summary: Some of the commands tries to get the register without checking if the specified operands is a register and causing crash. All commands should check the type of the operand first and reject if the type is not expected. Reviewers: dsanders, qcolombet Reviewed By: qcolombet Subscribers: qcolombet, rovka, kristof.beyls, llvm-commits Differential Revision: https://reviews.llvm.org/D42984 llvm-svn: 324442
37 lines
1.1 KiB
YAML
37 lines
1.1 KiB
YAML
# RUN: not llc -o - -run-pass=instruction-select -pass-remarks-missed=gisel %s 2>&1 | FileCheck %s
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--- |
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64--linux-gnu"
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define void @test_check_type() {
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ret void
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}
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...
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---
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name: test_check_type
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alignment: 4
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legalized: true
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regBankSelected: true
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tracksRegLiveness: true
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registers:
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- { id: 0, class: gpr }
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- { id: 1, class: gpr }
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body: |
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bb.1 (%ir-block.0):
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liveins: $edi
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; Intrinsic::x86_flags_read_u64 has a higher prority than
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; Intrinsic::x86_int in the match table and both of them
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; have two operands, but their IntrinsicID index is different.
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; This causes crash when executing GIM_CheckType for Intrinsic::x86_int
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; because Operand0 is not a register.
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; Make sure we check whether the first operand is a register and
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; reject if it's not.
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; CHECK: cannot select: G_INTRINSIC_W_SIDE_EFFECTS intrinsic(@llvm.x86.int)
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%1:gpr(s32) = COPY $edi
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%0:gpr(s8) = G_TRUNC %1(s32)
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G_INTRINSIC_W_SIDE_EFFECTS intrinsic(@llvm.x86.int), %0(s8)
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RET 0
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...
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