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|
# RUN: llc -mtriple=aarch64-none-linux-gnu -run-pass machine-outliner -verify-machineinstrs -enable-machine-outliner %s -o - | FileCheck %s
--- |
; Function Attrs: minsize
declare void @foo(i32, i32, i32, i32) #0
; Function Attrs: nounwind
define void @xray0(i1 %a) #1 {
entry:
br i1 %a, label %if.then, label %if.end
if.then: ; preds = %entry
call void @foo(i32 1, i32 2, i32 3, i32 4)
br label %if.end
if.end: ; preds = %if.then, %entry
call void @foo(i32 5, i32 6, i32 7, i32 8)
ret void
}
; Function Attrs: nounwind
define void @xray1(i1 %a) #1 {
entry:
br i1 %a, label %if.then, label %if.end
if.then: ; preds = %entry
call void @foo(i32 1, i32 2, i32 3, i32 4)
br label %if.end
if.end: ; preds = %if.then, %entry
call void @foo(i32 5, i32 6, i32 7, i32 8)
ret void
}
attributes #0 = { minsize }
attributes #1 = { nounwind "function-instrument"="xray-always" }
...
---
name: xray0
tracksRegLiveness: true
liveins:
- { reg: '$w0', virtual-reg: '' }
stack:
- { id: 0, name: '', type: spill-slot, offset: -16, size: 8, alignment: 16,
stack-id: default, callee-saved-register: '$lr', callee-saved-restored: true,
debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
machineFunctionInfo:
hasRedZone: false
body: |
; CHECK-LABEL: name: xray0
; CHECK: bb.0.entry:
; CHECK: PATCHABLE_FUNCTION_ENTER
; CHECK: bb.1.if.then:
; CHECK: BL @[[OUTLINED_FUNCTION:OUTLINED_FUNCTION_[0-9]]]
; CHECK: bb.2.if.end:
; CHECK-NEXT: $w0 = MOVZWi 5, 0
; CHECK-NEXT: $w1 = MOVZWi 6, 0
; CHECK-NEXT: $w2 = MOVZWi 7, 0
; CHECK-NEXT: $w3 = MOVZWi 8, 0
; CHECK-NEXT: BL @foo, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $w0, implicit killed $w1, implicit killed $w2, implicit killed $w3, implicit-def $sp
; CHECK: $w0 = MOVZWi 5, 0
; CHECK-NEXT: $w1 = MOVZWi 6, 0
; CHECK-NEXT: PATCHABLE_FUNCTION_EXIT
; CHECK-NEXT: RET undef $lr
bb.0.entry:
successors: %bb.1(0x40000000), %bb.2(0x40000000)
liveins: $w0, $lr
PATCHABLE_FUNCTION_ENTER
early-clobber $sp = frame-setup STRXpre killed $lr, $sp, -16 :: (store (s64) into %stack.0)
TBZW killed renamable $w0, 0, %bb.2
bb.1.if.then:
successors: %bb.2(0x80000000)
$w0 = MOVZWi 1, 0
$w1 = MOVZWi 2, 0
$w2 = MOVZWi 3, 0
$w3 = MOVZWi 4, 0
BL @foo, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $w0, implicit killed $w1, implicit killed $w2, implicit killed $w3, implicit-def $sp
bb.2.if.end:
$w0 = MOVZWi 5, 0
$w1 = MOVZWi 6, 0
$w2 = MOVZWi 7, 0
$w3 = MOVZWi 8, 0
BL @foo, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $w0, implicit killed $w1, implicit killed $w2, implicit killed $w3, implicit-def $sp
early-clobber $sp, $lr = frame-destroy LDRXpost $sp, 16 :: (load (s64) from %stack.0)
$w0 = MOVZWi 5, 0
$w1 = MOVZWi 6, 0
PATCHABLE_FUNCTION_EXIT
RET undef $lr
...
---
name: xray1
tracksRegLiveness: true
liveins:
- { reg: '$w0', virtual-reg: '' }
stack:
- { id: 0, name: '', type: spill-slot, offset: -16, size: 8, alignment: 16,
stack-id: default, callee-saved-register: '$lr', callee-saved-restored: true,
debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
machineFunctionInfo:
hasRedZone: false
body: |
; CHECK-LABEL: name: xray1
; CHECK: bb.0.entry:
; CHECK: PATCHABLE_FUNCTION_ENTER
; CHECK: bb.1.if.then:
; CHECK: BL @[[OUTLINED_FUNCTION]]
; CHECK: bb.2.if.end:
; CHECK-NEXT: $w0 = MOVZWi 5, 0
; CHECK-NEXT: $w1 = MOVZWi 6, 0
; CHECK-NEXT: $w2 = MOVZWi 7, 0
; CHECK-NEXT: $w3 = MOVZWi 8, 0
; CHECK-NEXT: BL @foo, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $w0, implicit killed $w1, implicit killed $w2, implicit killed $w3, implicit-def $sp
; CHECK: $w0 = MOVZWi 5, 0
; CHECK-NEXT: $w1 = MOVZWi 6, 0
; CHECK-NEXT: PATCHABLE_FUNCTION_EXIT
; CHECK-NEXT: RET undef $lr
bb.0.entry:
successors: %bb.1(0x40000000), %bb.2(0x40000000)
liveins: $w0, $lr
PATCHABLE_FUNCTION_ENTER
early-clobber $sp = frame-setup STRXpre killed $lr, $sp, -16 :: (store (s64) into %stack.0)
TBZW killed renamable $w0, 0, %bb.2
bb.1.if.then:
successors: %bb.2(0x80000000)
$w0 = MOVZWi 1, 0
$w1 = MOVZWi 2, 0
$w2 = MOVZWi 3, 0
$w3 = MOVZWi 4, 0
BL @foo, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $w0, implicit killed $w1, implicit killed $w2, implicit killed $w3, implicit-def $sp
bb.2.if.end:
$w0 = MOVZWi 5, 0
$w1 = MOVZWi 6, 0
$w2 = MOVZWi 7, 0
$w3 = MOVZWi 8, 0
BL @foo, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $w0, implicit killed $w1, implicit killed $w2, implicit killed $w3, implicit-def $sp
early-clobber $sp, $lr = frame-destroy LDRXpost $sp, 16 :: (load (s64) from %stack.0)
$w0 = MOVZWi 5, 0
$w1 = MOVZWi 6, 0
PATCHABLE_FUNCTION_EXIT
RET undef $lr
; CHECK: name: [[OUTLINED_FUNCTION]]
; CHECK: bb.0:
; CHECK: $w0 = MOVZWi 1, 0
; CHECK-NEXT: $w1 = MOVZWi 2, 0
; CHECK-NEXT: $w2 = MOVZWi 3, 0
; CHECK-NEXT: $w3 = MOVZWi 4, 0
; CHECK-NEXT: TCRETURNdi @foo, 0, implicit $sp
...
|
