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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

46 lines
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YAML

# RUN: llc -mtriple=thumbv8 -run-pass=peephole-opt %s -o - | FileCheck %s
# Test case for PR 47980:
# Ensure that peephole optimization to fold move immediate doesn't unconstrain
# the register class of the consumer.
#
# Check that register class for %5 is unchanged as 'tcgpr'
# CHECK: { id: 5, class: tcgpr, preferred-register: '', flags: [ ] }
# CHECK: TCRETURNri killed %5
--- |
define i32 @foo(i32 %in) {
ret i32 undef
}
...
---
name: foo
registers:
- { id: 0, class: gpr}
- { id: 1, class: gpr }
- { id: 2, class: rgpr }
- { id: 3, class: gpr }
- { id: 4, class: rgpr }
- { id: 5, class: tcgpr }
liveins:
- { reg: '$r0', virtual-reg: '%0' }
- { reg: '$r1', virtual-reg: '%1' }
- { reg: '$r2', virtual-reg: '%2' }
- { reg: '$r3', virtual-reg: '%3' }
body: |
bb.0 (%ir-block.0):
liveins: $r0, $r1, $r2, $r3
%0 = COPY $r0
%1 = COPY $r1
%2 = COPY $r2
%3 = COPY $r3
%4 = t2MOVi32imm 270337
%5 = t2ADDrr killed %2, killed %4, 14, $noreg, $noreg
$r0 = COPY %0
$r1 = COPY %1
$r2 = COPY %2
$r3 = COPY %3
TCRETURNri killed %5, 0, implicit $sp, implicit $r0, implicit $r1, implicit $r2, implicit $r3
...