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[PowerPC] Add test after #75271 on PPC. NFC. #75616

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Merged
merged 7 commits into from
Dec 25, 2023
Merged

[PowerPC] Add test after #75271 on PPC. NFC. #75616

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e86a5f9
[PowerPC] Add test for #75271 on PPC. NFC.
Dec 15, 2023
635582b
fix triple
Dec 15, 2023
cac7435
More accurate pattern
Dec 15, 2023
2273990
Simplify mir
Dec 18, 2023
026134c
Simplify more
Dec 18, 2023
ef19117
Remove stack slots
Dec 19, 2023
ff704a6
Trim spaces
bzEq Dec 25, 2023
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28 changes: 28 additions & 0 deletions llvm/test/CodeGen/PowerPC/coalescer-remat-with-undef-implicit-def-operand.mir
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Original file line number Diff line number Diff line change
@@ -0,0 +1,28 @@
# RUN: llc -mtriple=powerpc64le-unknown-linux-gnu -verify-coalescing -run-pass=register-coalescer \
# RUN: -o - %s | FileCheck %s
---
name: _Z13testTransposeIfLj31ELj17EEvv
alignment: 16
tracksRegLiveness: true
frameInfo:
maxAlignment: 128
machineFunctionInfo: {}
body: |
; CHECK-LABEL: name: _Z13testTransposeIfLj31ELj17EEvv
; CHECK: undef %[[REG:[0-9]+]].sub_64:vsrc = IMPLICIT_DEF implicit-def %[[REG]]
bb.0:
liveins: $x2
%2:vssrc = IMPLICIT_DEF
B %bb.2

bb.1:
%0:vsrc = SUBREG_TO_REG 1, killed %2, %subreg.sub_64
%1:vsrc = XXPERMDI killed undef %0, killed %0, 0
BLR8 implicit $lr8, implicit $rm

bb.2:
successors: %bb.2(0x7c000000), %bb.1(0x04000000)
BDNZ8 %bb.2, implicit-def $ctr8, implicit $ctr8
B %bb.1

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