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|
# RUN: llc -mtriple=ppc64-- -run-pass scavenger-test -verify-machineinstrs -o - %s | FileCheck %s
---
# CHECK-LABEL: name: noscav0
name: noscav0
tracksRegLiveness: true
body: |
bb.0:
; CHECK: [[REG0:%r[0-9]+]] = LI 42
; CHECK-NEXT: NOP implicit killed [[REG0]]
%0 : gprc = LI 42
NOP implicit %0
; CHECK: [[REG1:%r[0-9]+]] = LI 42
; CHECK-NEXT: NOP
; CHECK-NEXT: NOP implicit [[REG1]]
; CHECK-NEXT: NOP
; CHECK-NEXT: NOP implicit killed [[REG1]]
%1 : gprc = LI 42
NOP
NOP implicit %1
NOP
NOP implicit %1
; CHECK: [[REG2:%r[0-9]+]] = LI 42
; CHECK-NEXT: NOP implicit [[REG2]]
%2 : gprc = LI 42
NOP implicit %2
%x0 = IMPLICIT_DEF
%x1 = IMPLICIT_DEF
%x2 = IMPLICIT_DEF
%x3 = IMPLICIT_DEF
%x4 = IMPLICIT_DEF
%x27 = IMPLICIT_DEF
%x28 = IMPLICIT_DEF
%x29 = IMPLICIT_DEF
%x30 = IMPLICIT_DEF
; CHECK-NOT: %x0 = LI 42
; CHECK-NOT: %x1 = LI 42
; CHECK-NOT: %x2 = LI 42
; CHECK-NOT: %x3 = LI 42
; CHECK-NOT: %x4 = LI 42
; CHECK-NOT: %x5 = LI 42
; CHECK-NOT: %x27 = LI 42
; CHECK-NOT: %x28 = LI 42
; CHECK-NOT: %x29 = LI 42
; CHECK-NOT: %x30 = LI 42
; CHECK: [[REG3:%r[0-9]+]] = LI 42
; CHECK-NEXT: %x5 = IMPLICIT_DEF
; CHECK-NEXT: NOP implicit killed [[REG2]]
; CHECK-NEXT: NOP implicit killed [[REG3]]
%3 : gprc = LI 42
%x5 = IMPLICIT_DEF
NOP implicit %2
NOP implicit %3
NOP implicit %x0
NOP implicit %x1
NOP implicit %x2
NOP implicit %x3
NOP implicit %x4
NOP implicit %x5
NOP implicit %x27
NOP implicit %x28
NOP implicit %x29
NOP implicit %x30
...
---
# CHECK-LABEL: name: scav0
name: scav0
tracksRegLiveness: true
stack:
# variable-sized object should be a reason to reserve an emergency spillslot
# in the RegScavenger
- { id: 0, type: variable-sized, offset: -32, alignment: 1 }
body: |
bb.0:
%x0 = IMPLICIT_DEF
%x1 = IMPLICIT_DEF
%x2 = IMPLICIT_DEF
%x3 = IMPLICIT_DEF
%x4 = IMPLICIT_DEF
%x5 = IMPLICIT_DEF
%x6 = IMPLICIT_DEF
%x7 = IMPLICIT_DEF
%x8 = IMPLICIT_DEF
%x9 = IMPLICIT_DEF
%x10 = IMPLICIT_DEF
%x11 = IMPLICIT_DEF
%x12 = IMPLICIT_DEF
%x13 = IMPLICIT_DEF
%x14 = IMPLICIT_DEF
%x15 = IMPLICIT_DEF
%x16 = IMPLICIT_DEF
%x17 = IMPLICIT_DEF
%x18 = IMPLICIT_DEF
%x19 = IMPLICIT_DEF
%x20 = IMPLICIT_DEF
%x21 = IMPLICIT_DEF
%x22 = IMPLICIT_DEF
%x23 = IMPLICIT_DEF
%x24 = IMPLICIT_DEF
%x25 = IMPLICIT_DEF
%x26 = IMPLICIT_DEF
%x27 = IMPLICIT_DEF
%x28 = IMPLICIT_DEF
%x29 = IMPLICIT_DEF
%x30 = IMPLICIT_DEF
; CHECK: STD killed [[SPILLEDREG:%x[0-9]+]]
; CHECK: [[SPILLEDREG]] = LI8 42
; CHECK: NOP implicit killed [[SPILLEDREG]]
; CHECK: [[SPILLEDREG]] = LD
%0 : g8rc = LI8 42
NOP implicit %0
NOP implicit %x0
NOP implicit %x1
NOP implicit %x2
NOP implicit %x3
NOP implicit %x4
NOP implicit %x5
NOP implicit %x6
NOP implicit %x7
NOP implicit %x8
NOP implicit %x9
NOP implicit %x10
NOP implicit %x11
NOP implicit %x12
NOP implicit %x13
NOP implicit %x14
NOP implicit %x15
NOP implicit %x16
NOP implicit %x17
NOP implicit %x18
NOP implicit %x19
NOP implicit %x20
NOP implicit %x21
NOP implicit %x22
NOP implicit %x23
NOP implicit %x24
NOP implicit %x25
NOP implicit %x26
NOP implicit %x27
NOP implicit %x28
NOP implicit %x29
NOP implicit %x30
...
---
# Check for bug where we would refuse to spill before the first instruction in a
# block.
# CHECK-LABEL: name: spill_at_begin
# CHECK: bb.0:
# CHECK: liveins:
# CHECK: STD killed [[REG:%x[0-9]+]]{{.*}}(store 8 into %stack.{{[0-9]+}})
# CHECK: [[REG]] = LIS8 0
# CHECK: [[REG]] = ORI8 killed [[REG]], 48
# CHECK: NOP implicit killed [[REG]]
# CHEKC: [[REG]] = LD{{.*}}(load 8 from %stack.{{[0-9]+}})
name: spill_at_begin
tracksRegLiveness: true
stack:
# variable-sized object should be a reason to reserve an emergency spillslot
# in the RegScavenger
- { id: 0, type: variable-sized, offset: -32, alignment: 1 }
body: |
bb.0:
liveins: %x0, %x1, %x2, %x3, %x4, %x5, %x6, %x7, %x8, %x9, %x10, %x11, %x12, %x13, %x14, %x15, %x16, %x17, %x18, %x19, %x20, %x21, %x22, %x23, %x24, %x25, %x26, %x27, %x28, %x29, %x30, %x31
%0 : g8rc = LIS8 0
%1 : g8rc = ORI8 %0, 48
NOP implicit %1
NOP implicit %x0
NOP implicit %x1
NOP implicit %x2
NOP implicit %x3
NOP implicit %x4
NOP implicit %x5
NOP implicit %x6
NOP implicit %x7
NOP implicit %x8
NOP implicit %x9
NOP implicit %x10
NOP implicit %x11
NOP implicit %x12
NOP implicit %x13
NOP implicit %x14
NOP implicit %x15
NOP implicit %x16
NOP implicit %x17
NOP implicit %x18
NOP implicit %x19
NOP implicit %x20
NOP implicit %x21
NOP implicit %x22
NOP implicit %x23
NOP implicit %x24
NOP implicit %x25
NOP implicit %x26
NOP implicit %x27
NOP implicit %x28
NOP implicit %x29
NOP implicit %x30
NOP implicit %x31
...
|
