26 lines
839 B
Plaintext
26 lines
839 B
Plaintext
|
# RUN: not --crash llc -march=aarch64 -o /dev/null -run-pass=none -verify-machineinstrs %s 2>&1 | FileCheck %s
|
||
|
|
# REQUIRES: aarch64-registered-target
|
||
|
|
|
||
|
|
# Undef uses are illegal for generic vregs.
|
||
|
|
|
||
|
|
---
|
||
|
|
name: test_undef_use
|
||
|
|
liveins:
|
||
|
|
body: |
|
||
|
|
bb.0:
|
||
|
|
%0:_(s32) = G_CONSTANT i32 0
|
||
|
|
|
||
|
|
; Test generic instruction
|
||
|
|
; CHECK: *** Bad machine code: Generic virtual register use cannot be undef ***
|
||
|
|
G_STORE %0, undef %1:_(p0) :: (store 4)
|
||
|
|
|
||
|
|
; Make sure this fails on a post-isel generic instruction.
|
||
|
|
; CHECK: *** Bad machine code: Generic virtual register use cannot be undef ***
|
||
|
|
$x0 = COPY undef %2:_(s64)
|
||
|
|
|
||
|
|
; Make sure this fails with a target instruction
|
||
|
|
; CHECK: *** Bad machine code: Generic virtual register use cannot be undef ***
|
||
|
|
RET_ReallyLR implicit $x0, implicit undef %3:_(s32)
|
||
|
|
...
|
||
|
|
|