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llvm-mirror/test/MachineVerifier/test_g_zextload.mir
Matt Arsenault cc12b285b6 CodeGen: Print/parse LLTs in MachineMemOperands
This will currently accept the old number of bytes syntax, and convert
it to a scalar. This should be removed in the near future (I think I
converted all of the tests already, but likely missed a few).

Not sure what the exact syntax and policy should be. We can continue
printing the number of bytes for non-generic instructions to avoid
test churn and only allow non-scalar types for generic instructions.

This will currently print the LLT in parentheses, but accept parsing
the existing integers and implicitly converting to scalar. The
parentheses are a bit ugly, but the parser logic seems unable to deal
without either parentheses or some keyword to indicate the start of a
type.
2021-06-30 16:54:13 -04:00

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# RUN: not --crash llc -o - -march=arm64 -global-isel -run-pass=none -verify-machineinstrs %s 2>&1 | FileCheck %s
# REQUIRES: aarch64-registered-target
---
name: test_zextload
legalized: true
regBankSelected: false
selected: false
tracksRegLiveness: true
liveins:
body: |
bb.0:
; CHECK: Bad machine code: Generic memory instruction must access a pointer
%0:_(s64) = G_CONSTANT i32 0
%1:_(s32) = G_ZEXTLOAD %0 :: (load (s8))
; CHECK: *** Bad machine code: Generic instruction accessing memory must have one mem operand ***
%2:_(p0) = G_IMPLICIT_DEF
%3:_(s64) = G_ZEXTLOAD %2
; CHECK: Bad machine code: Generic extload must have a narrower memory type
; CHECK: Bad machine code: Generic extload must have a narrower memory type
%4:_(s64) = G_ZEXTLOAD %2 :: (load (s64))
%5:_(s64) = G_ZEXTLOAD %2 :: (load (s128))
...