llvm-project/llvm/test/CodeGen/MIR/AArch64/mirCanonCopyCopyProp.mir
Matt Arsenault fae05692a3 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: llc -mtriple=arm64-apple-ios11.0.0 -o - -verify-machineinstrs -run-pass mir-canonicalizer %s | FileCheck %s
# RUN: llc -mtriple=arm64-apple-ios11.0.0 -o - -verify-machineinstrs -mir-vreg-namer-use-stable-hash -run-pass mir-canonicalizer %s | FileCheck %s
...
---
name: Proc8
stack:
- { id: 0, type: default, offset: 0, size: 4, alignment: 4,
stack-id: default, callee-saved-register: '', callee-saved-restored: true,
local-offset: -4, debug-info-variable: '', debug-info-expression: '',
debug-info-location: '' }
- { id: 1, type: default, offset: 0, size: 8, alignment: 8,
stack-id: default, callee-saved-register: '', callee-saved-restored: true,
local-offset: -16, debug-info-variable: '', debug-info-expression: '',
debug-info-location: '' }
- { id: 2, type: default, offset: 0, size: 8, alignment: 8,
stack-id: default, callee-saved-register: '', callee-saved-restored: true,
local-offset: -24, debug-info-variable: '', debug-info-expression: '',
debug-info-location: '' }
- { id: 3, type: default, offset: 0, size: 8, alignment: 8,
stack-id: default, callee-saved-register: '', callee-saved-restored: true,
local-offset: -32, debug-info-variable: '', debug-info-expression: '',
debug-info-location: '' }
- { id: 4, type: default, offset: 0, size: 8, alignment: 8,
stack-id: default, callee-saved-register: '', callee-saved-restored: true,
local-offset: -40, debug-info-variable: '', debug-info-expression: '',
debug-info-location: '' }
- { id: 5, type: default, offset: 0, size: 8, alignment: 8,
stack-id: default, callee-saved-register: '', callee-saved-restored: true,
local-offset: -48, debug-info-variable: '', debug-info-expression: '',
debug-info-location: '' }
- { id: 6, type: default, offset: 0, size: 8, alignment: 8,
stack-id: default, callee-saved-register: '', callee-saved-restored: true,
local-offset: -56, debug-info-variable: '', debug-info-expression: '',
debug-info-location: '' }
constants:
body: |
bb.0:
liveins: $x0, $x1, $d0, $d1
%42:gpr32 = LDRWui %stack.0, 0 :: (dereferenceable load (s64))
;CHECK: %bb0_{{[0-9]+}}__1:gpr32 = LDRWui %stack.0, 0 :: (dereferenceable load (s64))
;CHECK-NEXT: $w0 = COPY %bb0_
;CHECK-NEXT: RET_ReallyLR implicit $w0
%vreg1234:gpr32 = COPY %42
%vreg1235:gpr32 = COPY %vreg1234
%vreg1236:gpr32 = COPY %vreg1235
$w0 = COPY %vreg1236
RET_ReallyLR implicit $w0
...