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|
# REQUIRES: asserts
# RUN: llc -mtriple=aarch64-linux-gnu -run-pass=machine-outliner \
# RUN: -machine-outliner-reruns=0 -verify-machineinstrs %s -o - | FileCheck --check-prefix=ITER1 %s
# RUN: llc -mtriple=aarch64-linux-gnu -run-pass=machine-outliner \
# RUN: -machine-outliner-reruns=1 -verify-machineinstrs %s -o - | FileCheck --check-prefix=ITER2 %s
# RUN: llc -mtriple=aarch64-linux-gnu -run-pass=machine-outliner \
# RUN: -machine-outliner-reruns=2 -debug-only=machine-outliner \
# RUN: -verify-machineinstrs %s -o /dev/null 2>&1 | FileCheck --check-prefix=ITER3 %s
--- |
declare void @z1(i32, i32)
declare void @z2(i32, i32, i32)
define void @a(i32 %p1) { unreachable }
define void @b(i32 %p1) { unreachable }
...
---
#ITER1-LABEL: name: a
#ITER1: $w19 = ORRWrs $wzr, killed $w0, 0
#ITER1-NEXT: BL @OUTLINED_FUNCTION_{{[0-9]+}}
#ITER1-NEXT: $w1 = ORRWri $wzr, 1
#ITER1-NEXT: BL @OUTLINED_FUNCTION_{{[0-9]+}}
#ITER1-NEXT: $w1 = ORRWri $wzr, 1984
#ITER1-NEXT: BL @OUTLINED_FUNCTION_{{[0-9]+}}
#ITER1-NEXT: BL @OUTLINED_FUNCTION_{{[0-9]+}}
#ITER2-LABEL: name: a
#ITER2: $w19 = ORRWrs $wzr, killed $w0, 0
#ITER2-NEXT: BL @OUTLINED_FUNCTION_{{[0-9]+}}
#ITER2-NEXT: $w1 = ORRWri $wzr, 1
#ITER2-NEXT: BL @OUTLINED_FUNCTION_{{[0-9]+}}
#ITER2-NEXT: BL @OUTLINED_FUNCTION_{{[0-9]+}}
#ITER2-NEXT: BL @OUTLINED_FUNCTION_{{[0-9]+}}
name: a
tracksRegLiveness: true
liveins:
- { reg: '$w0', virtual-reg: '' }
machineFunctionInfo:
hasRedZone: false
body: |
bb.0:
liveins: $w0, $lr, $x19
early-clobber $sp = frame-setup STPXpre killed $x19, killed $lr, $sp, -2 :: (store (s64)), (store (s64))
$w19 = ORRWrs $wzr, killed $w0, 0
$w0 = ORRWri $wzr, 0
$w1 = ORRWri $wzr, 1
BL @z1, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $w0, implicit killed $w1, implicit-def $sp
$w1 = ORRWri $wzr, 1
$w2 = ORRWri $wzr, 1920
$w0 = ORRWrs $wzr, $w19, 0
BL @z2, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $w0, implicit killed $w1, implicit killed $w2, implicit-def $sp
$w1 = ORRWri $wzr, 1984
$w2 = ORRWri $wzr, 1920
$w0 = ORRWrs $wzr, killed $w19, 0
BL @z2, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $w0, implicit killed $w1, implicit killed $w2, implicit-def $sp
$w0 = ORRWri $wzr, 0
$w1 = ORRWri $wzr, 1
BL @z1, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $w0, implicit killed $w1, implicit-def $sp
early-clobber $sp, $x19, $lr = frame-destroy LDPXpost $sp, 2 :: (load (s64)), (load (s64))
RET undef $lr
...
---
#ITER1-LABEL: name: b
#ITER1: $w19 = ORRWrs $wzr, killed $w0, 0
#ITER1-NEXT: BL @OUTLINED_FUNCTION_{{[0-9]+}}
#ITER1-NEXT: $w1 = ORRWri $wzr, 1984
#ITER1-NEXT: BL @OUTLINED_FUNCTION_{{[0-9]+}}
#ITER1-NEXT: $w1 = ORRWri $wzr, 1984
#ITER1-NEXT: BL @OUTLINED_FUNCTION_{{[0-9]+}}
#ITER1-NEXT: BL @OUTLINED_FUNCTION_{{[0-9]+}}
#ITER2-LABEL: name: b
#ITER2: $w19 = ORRWrs $wzr, killed $w0, 0
#ITER2-NEXT: BL @OUTLINED_FUNCTION_{{[0-9]+}}
#ITER2-NEXT: BL @OUTLINED_FUNCTION_{{[0-9]+}}
#ITER2-NEXT: BL @OUTLINED_FUNCTION_{{[0-9]+}}
#ITER2-NEXT: BL @OUTLINED_FUNCTION_{{[0-9]+}}
name: b
tracksRegLiveness: true
liveins:
- { reg: '$w0', virtual-reg: '' }
machineFunctionInfo:
hasRedZone: false
body: |
bb.0:
liveins: $w0, $lr, $x19
early-clobber $sp = frame-setup STPXpre killed $x19, killed $lr, $sp, -2 :: (store (s64)), (store (s64))
$w19 = ORRWrs $wzr, killed $w0, 0
$w0 = ORRWri $wzr, 0
$w1 = ORRWri $wzr, 1
BL @z1, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $w0, implicit killed $w1, implicit-def $sp
$w1 = ORRWri $wzr, 1984
$w2 = ORRWri $wzr, 1920
$w0 = ORRWrs $wzr, $w19, 0
BL @z2, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $w0, implicit killed $w1, implicit killed $w2, implicit-def $sp
$w1 = ORRWri $wzr, 1984
$w2 = ORRWri $wzr, 1920
$w0 = ORRWrs $wzr, killed $w19, 0
BL @z2, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $w0, implicit killed $w1, implicit killed $w2, implicit-def $sp
$w0 = ORRWri $wzr, 0
$w1 = ORRWri $wzr, 1
BL @z1, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $w0, implicit killed $w1, implicit-def $sp
early-clobber $sp, $x19, $lr = frame-destroy LDPXpost $sp, 2 :: (load (s64)), (load (s64))
RET undef $lr
...
#ITER1-LABEL: name: OUTLINED_FUNCTION_{{[0-9]+}}
#ITER1-LABEL: name: OUTLINED_FUNCTION_{{[0-9]+}}
#ITER2-LABEL: name: OUTLINED_FUNCTION_{{[0-9]+}}
#ITER2-LABEL: name: OUTLINED_FUNCTION_{{[0-9]+}}
#ITER2-LABEL: name: OUTLINED_FUNCTION_{{[0-9]+}}
# ITER3: Did not outline on iteration 3 out of 3
|
