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Imported Upstream version 5.18.0.205

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Former-commit-id: 7f59f7e792705db773f1caecdaa823092f4e2927
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Xamarin Public Jenkins (auto-signing)
2018-11-16 08:20:38 +00:00
parent 5cd5df71cc
commit 8e12397d70
28486 changed files with 3867013 additions and 66 deletions
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26
external/llvm/test/CodeGen/AArch64/fast-regalloc-empty-bb-with-liveins.mir vendored Normal file
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@@ -0,0 +1,26 @@
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple aarch64-apple-ios -run-pass regallocfast -o - %s | FileCheck %s
# This test used to crash the fast register alloc.
# Basically, when a basic block has liveins, the fast regalloc
# was deferencing the begin iterator of this block. However,
# when this block is empty and it will just crashed!
---
name: crashing
tracksRegLiveness: true
body: |
; CHECK-LABEL: name: crashing
; CHECK: bb.0:
; CHECK: successors: %bb.1(0x80000000)
; CHECK: liveins: %x0, %x1
; CHECK: bb.1:
; CHECK: renamable %w0 = MOVi32imm -1
; CHECK: RET_ReallyLR implicit killed %w0
bb.1:
liveins: %x0, %x1
bb.2:
%0:gpr32 = MOVi32imm -1
%w0 = COPY %0
RET_ReallyLR implicit %w0
...