# 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 ...