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dbed654493
Add verification for copies involving generic registers if they are compatible - ie if it is a generic copy, then the types are the same, and if a COPY b/w generic and target virtual register, then the sizes should be the same. Only checks if there are no sub registers involved for now. https://reviews.llvm.org/D37775 llvm-svn: 324696
34 lines
902 B
YAML
34 lines
902 B
YAML
#RUN: not llc -o - -global-isel -run-pass=none -verify-machineinstrs %s 2>&1 | FileCheck %s
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# REQUIRES: global-isel, aarch64-registered-target
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--- |
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; ModuleID = 'test.ll'
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source_filename = "test.ll"
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target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
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target triple = "aarch64-unknown-unknown"
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define i32 @test_copy(i32 %argc) {
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ret i32 0
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}
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define i32 @test_copy_type_mismatch(i32 %argc) {
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ret i32 0
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}
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...
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---
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name: test_copy
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legalized: true
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regBankSelected: false
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selected: false
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tracksRegLiveness: true
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registers:
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- { id: 0, class: _, preferred-register: '' }
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liveins:
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body: |
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bb.0:
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liveins: $w0
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; This test is used to catch verifier errors with copys having mismatching sizes
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; CHECK: Bad machine code: Copy Instruction is illegal with mismatching sizes
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%0(s8) = COPY $w0
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...
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