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SystemZ: Handle gr128 to fp128 copies in copyPhysReg (#90861)
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llvm/test/CodeGen/SystemZ/copy-phys-reg-gr128-to-fp128.mir
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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 4 | ||
# RUN: llc -mtriple=s390x-ibm-linux -mcpu=z13 -run-pass=postrapseudos -verify-machineinstrs -o - %s | FileCheck %s | ||
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--- | ||
name: copy_gr128_to_fp128__r0q_to_f0q | ||
tracksRegLiveness: true | ||
body: | | ||
bb.0: | ||
liveins: $r0q | ||
; CHECK-LABEL: name: copy_gr128_to_fp128__r0q_to_f0q | ||
; CHECK: liveins: $r0q | ||
; CHECK-NEXT: {{ $}} | ||
; CHECK-NEXT: $f0d = LDGR $r0d, implicit-def $f0q | ||
; CHECK-NEXT: $f2d = LDGR $r1d | ||
; CHECK-NEXT: Return implicit $f0q | ||
$f0q = COPY $r0q | ||
Return implicit $f0q | ||
... | ||
|
||
--- | ||
name: copy_gr128_to_fp128__r0q_to_f0q_killed | ||
tracksRegLiveness: true | ||
body: | | ||
bb.0: | ||
liveins: $r0q | ||
; CHECK-LABEL: name: copy_gr128_to_fp128__r0q_to_f0q_killed | ||
; CHECK: liveins: $r0q | ||
; CHECK-NEXT: {{ $}} | ||
; CHECK-NEXT: $f0d = LDGR $r0d, implicit-def $f0q | ||
; CHECK-NEXT: $f2d = LDGR killed $r1d | ||
; CHECK-NEXT: Return implicit $f0q | ||
$f0q = COPY killed $r0q | ||
Return implicit $f0q | ||
... | ||
|
||
--- | ||
name: copy_gr128_to_fp128__r0q_to_f0q_undef | ||
tracksRegLiveness: true | ||
body: | | ||
bb.0: | ||
liveins: $r0q | ||
; CHECK-LABEL: name: copy_gr128_to_fp128__r0q_to_f0q_undef | ||
; CHECK: liveins: $r0q | ||
; CHECK-NEXT: {{ $}} | ||
; CHECK-NEXT: $f0q = KILL undef $r0q | ||
; CHECK-NEXT: Return implicit $f0q | ||
$f0q = COPY undef $r0q | ||
Return implicit $f0q | ||
... |