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| # RUN: llc -mtriple=powerpc64le--linux-gnu -stop-after ppc-pre-emit-peephole %s -o - -verify-machineinstrs | FileCheck %s
---
# ADDI8 + STFSX can be converted to ADDI8 + STFS even ADDI8 can not be erased.
name: testFwdOperandKilledAfter
# CHECK: name: testFwdOperandKilledAfter
tracksRegLiveness: true
body: |
bb.0.entry:
liveins: $x3, $f1, $x5
$x3 = ADDI8 $x5, 100
STFSX killed $f1, $zero8, $x3
; CHECK: STFS killed $f1, 100, $x5
STD killed $x3, killed $x5, 100
; CHECK: STD killed $x3, killed $x5, 100
BLR8 implicit $lr8, implicit $rm
...
---
# No workaround needed for 64-bit register when calling readsRegister()
name: testReadsSubRegADDI
# CHECK: name: testReadsSubRegADDI
tracksRegLiveness: true
body: |
bb.0.entry:
liveins: $x3, $f1, $x5
$x3 = ADDI8 $x5, 100
; Following instruction $r3 also reads $x3, ADDI8 can not be erased
; CHECK: $x3 = ADDI8 $x5, 100, implicit-def $r3
STW $r3, $x5, 100
; CHECK: STW killed $r3, $x5, 100
STFSX killed $f1, $zero8, $x3
; CHECK: STFS killed $f1, 100, $x5
STD $x5, $x5, 100
BLR8 implicit $lr8, implicit $rm
...
|