# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=x86_64-- -run-pass=machine-sink -verify-machineinstrs -o - %s | FileCheck %s
---
name: func_no_pic
tracksRegLiveness: true
jumpTable:
kind: block-address
entries:
- id: 0
blocks: [ '%bb.4', '%bb.1', '%bb.2', '%bb.3' ]
body: |
; CHECK-LABEL: name: func_no_pic
; CHECK: bb.0:
; CHECK-NEXT: successors: %bb.5(0x20000000), %bb.1(0x20000000), %bb.2(0x20000000), %bb.3(0x20000000)
; CHECK-NEXT: liveins: $edi
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:gr64_nosp = COPY $rdi
; CHECK-NEXT: JMP64m $noreg, 8, [[COPY]], %jump-table.0, $noreg :: (load (s64) from jump-table)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.5:
; CHECK-NEXT: successors: %bb.4(0x80000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[MOV32ri:%[0-9]+]]:gr32 = MOV32ri 42
; CHECK-NEXT: JMP_1 %bb.4
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.1:
; CHECK-NEXT: successors: %bb.4(0x80000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[MOV32ri1:%[0-9]+]]:gr32 = MOV32ri 6
; CHECK-NEXT: JMP_1 %bb.4
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.2:
; CHECK-NEXT: successors: %bb.4(0x80000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[MOV32ri2:%[0-9]+]]:gr32 = MOV32ri 1
; CHECK-NEXT: JMP_1 %bb.4
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.3:
; CHECK-NEXT: successors: %bb.4(0x80000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[MOV32ri3:%[0-9]+]]:gr32 = MOV32ri 92
; CHECK-NEXT: JMP_1 %bb.4
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.4:
; CHECK-NEXT: [[PHI:%[0-9]+]]:gr32 = PHI [[MOV32ri]], %bb.5, [[MOV32ri1]], %bb.1, [[MOV32ri2]], %bb.2, [[MOV32ri3]], %bb.3
; CHECK-NEXT: $eax = COPY [[PHI]]
; CHECK-NEXT: RET 0
bb.0:
successors: %bb.4, %bb.1, %bb.2, %bb.3
liveins: $edi
%0:gr64_nosp = COPY $rdi
; MachineSink should split the critical edges and sink the next two
; insns out of the switch-jump header into new less frequently executed
; blocks.
%1:gr32 = MOV32ri 42
JMP64m $noreg, 8, %0, %jump-table.0, $noreg :: (load (s64) from jump-table)
bb.1:
%2:gr32 = MOV32ri 6
JMP_1 %bb.4
bb.2:
%3:gr32 = MOV32ri 1
JMP_1 %bb.4
bb.3:
%4:gr32 = MOV32ri 92
JMP_1 %bb.4
bb.4:
%5:gr32 = PHI %1, %bb.0, %2, %bb.1, %3, %bb.2, %4, %bb.3
$eax = COPY %5
RET 0
...
---
name: func_pic
tracksRegLiveness: true
jumpTable:
kind: label-difference32
entries:
- id: 0
blocks: [ '%bb.4', '%bb.1', '%bb.2', '%bb.3' ]
body: |
; CHECK-LABEL: name: func_pic
; CHECK: bb.0:
; CHECK-NEXT: successors: %bb.5(0x20000000), %bb.1(0x20000000), %bb.2(0x20000000), %bb.3(0x20000000)
; CHECK-NEXT: liveins: $edi
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:gr64_nosp = COPY $rdi
; CHECK-NEXT: [[LEA64r:%[0-9]+]]:gr64 = LEA64r $rip, 1, $noreg, %jump-table.0, $noreg
; CHECK-NEXT: [[MOVSX64rm32_:%[0-9]+]]:gr64 = MOVSX64rm32 [[LEA64r]], 4, [[COPY]], 0, $noreg :: (load (s32) from jump-table)
; CHECK-NEXT: [[ADD64rr:%[0-9]+]]:gr64 = ADD64rr [[MOVSX64rm32_]], [[LEA64r]], implicit-def dead $eflags
; CHECK-NEXT: JMP64r killed [[ADD64rr]]
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.5:
; CHECK-NEXT: successors: %bb.4(0x80000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[MOV32ri:%[0-9]+]]:gr32 = MOV32ri 42
; CHECK-NEXT: JMP_1 %bb.4
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.1:
; CHECK-NEXT: successors: %bb.4(0x80000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[MOV32ri1:%[0-9]+]]:gr32 = MOV32ri 6
; CHECK-NEXT: JMP_1 %bb.4
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.2:
; CHECK-NEXT: successors: %bb.4(0x80000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[MOV32ri2:%[0-9]+]]:gr32 = MOV32ri 1
; CHECK-NEXT: JMP_1 %bb.4
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.3:
; CHECK-NEXT: successors: %bb.4(0x80000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[MOV32ri3:%[0-9]+]]:gr32 = MOV32ri 92
; CHECK-NEXT: JMP_1 %bb.4
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.4:
; CHECK-NEXT: [[PHI:%[0-9]+]]:gr32 = PHI [[MOV32ri]], %bb.5, [[MOV32ri1]], %bb.1, [[MOV32ri2]], %bb.2, [[MOV32ri3]], %bb.3
; CHECK-NEXT: $eax = COPY [[PHI]]
; CHECK-NEXT: RET 0
bb.0:
successors: %bb.4, %bb.1, %bb.2, %bb.3
liveins: $edi
%0:gr64_nosp = COPY $rdi
; MachineSink should split the critical edges and sink the next two
; insns out of the switch-jump header into new less frequently executed
; blocks.
%1:gr32 = MOV32ri 42
%2:gr64 = LEA64r $rip, 1, $noreg, %jump-table.0, $noreg
%3:gr64 = MOVSX64rm32 %2, 4, %0, 0, $noreg :: (load (s32) from jump-table)
%4:gr64 = ADD64rr %3, %2, implicit-def dead $eflags
JMP64r killed %4
bb.1:
%5:gr32 = MOV32ri 6
JMP_1 %bb.4
bb.2:
%6:gr32 = MOV32ri 1
JMP_1 %bb.4
bb.3:
%7:gr32 = MOV32ri 92
JMP_1 %bb.4
bb.4:
%8:gr32 = PHI %1, %bb.0, %5, %bb.1, %6, %bb.2, %7, %bb.3
$eax = COPY %8
RET 0
...
---
name: multiple_jump_table_users
tracksRegLiveness: true
jumpTable:
kind: block-address
entries:
- id: 0
blocks: [ '%bb.6', '%bb.3', '%bb.4', '%bb.5' ]
body: |
; CHECK-LABEL: name: multiple_jump_table_users
; CHECK: bb.0:
; CHECK-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000)
; CHECK-NEXT: liveins: $edi
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:gr64_nosp = COPY $rdi
; CHECK-NEXT: CMP64ri8 [[COPY]], 42, implicit-def $eflags
; CHECK-NEXT: JCC_1 %bb.1, 15, implicit $eflags
; CHECK-NEXT: JMP_1 %bb.2
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.1:
; CHECK-NEXT: successors: %bb.6(0x20000000), %bb.3(0x20000000), %bb.4(0x20000000), %bb.5(0x20000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: INLINEASM &"", 1 /* sideeffect attdialect */
; CHECK-NEXT: [[MOV32ri:%[0-9]+]]:gr32 = MOV32ri 13
; CHECK-NEXT: JMP64m $noreg, 8, [[COPY]], %jump-table.0, $noreg :: (load (s64) from jump-table)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.2:
; CHECK-NEXT: successors: %bb.6(0x20000000), %bb.3(0x20000000), %bb.4(0x20000000), %bb.5(0x20000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: INLINEASM &"", 1 /* sideeffect attdialect */
; CHECK-NEXT: [[MOV32ri1:%[0-9]+]]:gr32 = MOV32ri 42
; CHECK-NEXT: JMP64m $noreg, 8, [[COPY]], %jump-table.0, $noreg :: (load (s64) from jump-table)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.3:
; CHECK-NEXT: successors: %bb.6(0x80000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[MOV32ri2:%[0-9]+]]:gr32 = MOV32ri 6
; CHECK-NEXT: JMP_1 %bb.6
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.4:
; CHECK-NEXT: successors: %bb.6(0x80000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[MOV32ri3:%[0-9]+]]:gr32 = MOV32ri 1
; CHECK-NEXT: JMP_1 %bb.6
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.5:
; CHECK-NEXT: successors: %bb.6(0x80000000)
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[MOV32ri4:%[0-9]+]]:gr32 = MOV32ri 92
; CHECK-NEXT: JMP_1 %bb.6
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.6:
; CHECK-NEXT: [[PHI:%[0-9]+]]:gr32 = PHI [[MOV32ri]], %bb.1, [[MOV32ri1]], %bb.2, [[MOV32ri2]], %bb.3, [[MOV32ri3]], %bb.4, [[MOV32ri4]], %bb.5
; CHECK-NEXT: $eax = COPY [[PHI]]
; CHECK-NEXT: RET 0
bb.0:
liveins: $edi
%0:gr64_nosp = COPY $rdi
CMP64ri8 %0:gr64_nosp, 42, implicit-def $eflags
JCC_1 %bb.1, 15, implicit $eflags
JMP_1 %bb.2
bb.1:
successors: %bb.6, %bb.3, %bb.4, %bb.5
INLINEASM &"", 1 /* sideeffect attdialect */
%1:gr32 = MOV32ri 13
JMP64m $noreg, 8, %0, %jump-table.0, $noreg :: (load (s64) from jump-table)
bb.2:
successors: %bb.6, %bb.3, %bb.4, %bb.5
INLINEASM &"", 1 /* sideeffect attdialect */
%2:gr32 = MOV32ri 42
; This is a 2d user of jump-table.0 . This case is not supported yet;
; Should not attempt edge splitting.
JMP64m $noreg, 8, %0, %jump-table.0, $noreg :: (load (s64) from jump-table)
bb.3:
%3:gr32 = MOV32ri 6
JMP_1 %bb.6
bb.4:
%4:gr32 = MOV32ri 1
JMP_1 %bb.6
bb.5:
%5:gr32 = MOV32ri 92
JMP_1 %bb.6
bb.6:
%6:gr32 = PHI %1, %bb.1, %2, %bb.2, %3, %bb.3, %4, %bb.4, %5, %bb.5
$eax = COPY %6
RET 0
...