reg-scavenge-frame.mir
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# RUN: llc -run-pass=prologepilog -verify-machineinstrs %s -o - | FileCheck %s
--- |
target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
target triple = "aarch64-linux-gnu"
define void @ScavengeForFrameWithoutOffset() { ret void }
...
---
name: ScavengeForFrameWithoutOffset
tracksRegLiveness: true
stack:
- { id: 0, type: spill-slot, offset: 0, size: 32, alignment: 8 }
body: |
bb.0:
liveins: $d16_d17_d18_d19
$x0 = COPY $xzr
$x1 = COPY $xzr
$x2 = COPY $xzr
$x3 = COPY $xzr
$x4 = COPY $xzr
$x5 = COPY $xzr
$x6 = COPY $xzr
$x7 = COPY $xzr
$x8 = COPY $xzr
$x9 = COPY $xzr
$x10 = COPY $xzr
$x11 = COPY $xzr
$x12 = COPY $xzr
$x13 = COPY $xzr
$x14 = COPY $xzr
$x15 = COPY $xzr
$x16 = COPY $xzr
$x17 = COPY $xzr
$x18 = COPY $xzr
$x19 = COPY $xzr
$x20 = COPY $xzr
$x21 = COPY $xzr
$x22 = COPY $xzr
$x23 = COPY $xzr
$x24 = COPY $xzr
$x25 = COPY $xzr
$x26 = COPY $xzr
$x27 = COPY $xzr
$x28 = COPY $xzr
$fp = COPY $xzr
$lr = COPY $xzr
ST1Fourv1d killed $d16_d17_d18_d19, %stack.0 :: (store 32 into %stack.0, align 8)
; CHECK: STRXui killed $[[SCAVREG:x[0-9]+|fp|lr]], $sp, [[SPOFFSET:[0-9]+]] :: (store 8 into %stack.1)
; CHECK-NEXT: $[[SCAVREG]] = ADDXri $sp, {{[0-9]+}}, 0
; CHECK-NEXT: ST1Fourv1d killed $d16_d17_d18_d19, killed $[[SCAVREG]] :: (store 32 into %stack.0, align 8)
; CHECK-NEXT: $[[SCAVREG]] = LDRXui $sp, [[SPOFFSET]] :: (load 8 from %stack.1)
HINT 0, implicit $x0
HINT 0, implicit $x1
HINT 0, implicit $x2
HINT 0, implicit $x3
HINT 0, implicit $x4
HINT 0, implicit $x5
HINT 0, implicit $x6
HINT 0, implicit $x7
HINT 0, implicit $x8
HINT 0, implicit $x9
HINT 0, implicit $x10
HINT 0, implicit $x11
HINT 0, implicit $x12
HINT 0, implicit $x13
HINT 0, implicit $x14
HINT 0, implicit $x15
HINT 0, implicit $x16
HINT 0, implicit $x17
HINT 0, implicit $x18
HINT 0, implicit $x19
HINT 0, implicit $x20
HINT 0, implicit $x21
HINT 0, implicit $x22
HINT 0, implicit $x23
HINT 0, implicit $x24
HINT 0, implicit $x25
HINT 0, implicit $x26
HINT 0, implicit $x27
HINT 0, implicit $x28
HINT 0, implicit $fp
HINT 0, implicit $lr
RET_ReallyLR
...