1 # RUN: llc -run-pass implicit-null-checks -mtriple=x86_64-apple-macosx -o - %s | FileCheck %s
4 target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
5 target triple = "x86_64-apple-macosx"
8 define i32 @imp_null_check_with_bitwise_op_0(i32* %x, i32 %val) {
10 br i1 undef, label %is_null, label %not_null, !make.implicit !0
16 br i1 undef, label %ret_100, label %ret_200
25 ;; Negative test. The regalloc is such that we cannot hoist the
26 ;; instruction materializing 2200000 into %eax
27 define i32 @imp_null_check_with_bitwise_op_1(i32* %x, i32 %val, i32* %ptr) {
29 br i1 undef, label %is_null, label %not_null, !make.implicit !0
35 br i1 undef, label %ret_100, label %ret_200
44 ;; Negative test: IR is identical to
45 ;; @imp_null_check_with_bitwise_op_0 but MIR differs.
46 define i32 @imp_null_check_with_bitwise_op_2(i32* %x, i32 %val) {
48 br i1 undef, label %is_null, label %not_null, !make.implicit !0
54 br i1 undef, label %ret_100, label %ret_200
63 ;; Negative test: IR is identical to
64 ;; @imp_null_check_with_bitwise_op_0 but MIR differs.
65 define i32 @imp_null_check_with_bitwise_op_3(i32* %x, i32 %val) {
67 br i1 undef, label %is_null, label %not_null, !make.implicit !0
73 br i1 undef, label %ret_100, label %ret_200
83 define i32 @imp_null_check_with_bitwise_op_4(i32* %x, i32 %val) {
85 br i1 undef, label %is_null, label %not_null, !make.implicit !0
91 br i1 undef, label %ret_100, label %ret_200
100 declare void @f() readonly
102 define i32 @no_hoist_across_call(i32* %ptr) {
104 %is_null = icmp eq i32* %ptr, null
105 br i1 %is_null, label %leave, label %stay, !make.implicit !0
109 %val = load i32, i32* %ptr
116 define i32 @dependency_live_in_hazard(i32* %ptr, i32** %ptr2, i32* %ptr3) #0 {
118 %val = load i32*, i32** %ptr2
119 %ptr_is_null = icmp eq i32* %ptr, null
120 br i1 %ptr_is_null, label %is_null, label %not_null, !make.implicit !0
122 not_null: ; preds = %entry
123 %addend = load i32, i32* %val
124 %result = load i32, i32* %ptr
125 %result.shr = lshr i32 %result, 4
126 %result.and = and i32 %result.shr, 4095
127 %result.add = add i32 %addend, %result.and
130 is_null: ; preds = %entry
134 define i32 @use_alternate_load_op(i32* %ptr, i32* %ptr2) {
136 %ptr_is_null = icmp eq i32* %ptr, null
137 br i1 %ptr_is_null, label %is_null, label %not_null, !make.implicit !0
146 define i32 @imp_null_check_gep_load_with_use_dep(i32* %x, i32 %a) {
148 %c = icmp eq i32* %x, null
149 br i1 %c, label %is_null, label %not_null, !make.implicit !0
151 is_null: ; preds = %entry
154 not_null: ; preds = %entry
155 %x.loc = getelementptr i32, i32* %x, i32 1
156 %y = ptrtoint i32* %x.loc to i32
158 %t = load i32, i32* %x
163 define i32 @imp_null_check_load_with_base_sep(i32* %x, i32 %a) {
165 %c = icmp eq i32* %x, null
166 br i1 %c, label %is_null, label %not_null, !make.implicit !0
168 is_null: ; preds = %entry
171 not_null: ; preds = %entry
175 define void @inc_store(i32* %ptr, i32 %val) {
177 %ptr_is_null = icmp eq i32* %ptr, null
178 br i1 %ptr_is_null, label %is_null, label %not_null, !make.implicit !0
187 define void @inc_store_plus_offset(i32* %ptr, i32 %val) {
189 %ptr_is_null = icmp eq i32* %ptr, null
190 br i1 %ptr_is_null, label %is_null, label %not_null, !make.implicit !0
199 define void @inc_store_with_dep(i32* %ptr, i32 %val) {
201 %ptr_is_null = icmp eq i32* %ptr, null
202 br i1 %ptr_is_null, label %is_null, label %not_null, !make.implicit !0
211 define i32 @inc_store_with_dep_in_null(i32* %ptr, i32 %val) {
213 %ptr_is_null = icmp eq i32* %ptr, null
214 br i1 %ptr_is_null, label %is_null, label %not_null, !make.implicit !0
223 define void @inc_store_with_volatile(i32* %ptr, i32 %val) {
225 %ptr_is_null = icmp eq i32* %ptr, null
226 br i1 %ptr_is_null, label %is_null, label %not_null, !make.implicit !0
235 define void @inc_store_with_two_dep(i32* %ptr, i32 %val) {
237 %ptr_is_null = icmp eq i32* %ptr, null
238 br i1 %ptr_is_null, label %is_null, label %not_null, !make.implicit !0
247 define void @inc_store_with_redefined_base(i32* %ptr, i32 %val) {
249 %ptr_is_null = icmp eq i32* %ptr, null
250 br i1 %ptr_is_null, label %is_null, label %not_null, !make.implicit !0
259 define i32 @inc_store_with_reused_base(i32* %ptr, i32 %val) {
261 %ptr_is_null = icmp eq i32* %ptr, null
262 br i1 %ptr_is_null, label %is_null, label %not_null, !make.implicit !0
271 define i32 @inc_store_across_call(i32* %ptr) {
273 %ptr_is_null = icmp eq i32* %ptr, null
274 br i1 %ptr_is_null, label %is_null, label %not_null, !make.implicit !0
284 define i32 @inc_store_with_dep_in_dep(i32* %ptr, i32 %val) {
286 %ptr_is_null = icmp eq i32* %ptr, null
287 br i1 %ptr_is_null, label %is_null, label %not_null, !make.implicit !0
296 define i32 @inc_store_with_load_over_store(i32* %ptr, i32* %ptr2) {
298 %ptr_is_null = icmp eq i32* %ptr, null
299 br i1 %ptr_is_null, label %is_null, label %not_null, !make.implicit !0
308 define i32 @inc_store_with_store_over_load(i32* %ptr, i32* %ptr2) {
310 %ptr_is_null = icmp eq i32* %ptr, null
311 br i1 %ptr_is_null, label %is_null, label %not_null, !make.implicit !0
320 define void @inc_store_with_store_over_store(i32* %ptr, i32* %ptr2) {
322 %ptr_is_null = icmp eq i32* %ptr, null
323 br i1 %ptr_is_null, label %is_null, label %not_null, !make.implicit !0
332 define void @inc_store_with_load_and_store(i32* %ptr, i32* %ptr2) {
334 %ptr_is_null = icmp eq i32* %ptr, null
335 br i1 %ptr_is_null, label %is_null, label %not_null, !make.implicit !0
344 define i32 @inc_store_and_load_no_alias(i32* noalias %ptr, i32* noalias %ptr2) {
346 %ptr_is_null = icmp eq i32* %ptr, null
347 br i1 %ptr_is_null, label %is_null, label %not_null, !make.implicit !0
356 define i32 @inc_store_and_load_alias(i32* %ptr, i32* %ptr2) {
358 %ptr_is_null = icmp eq i32* %ptr, null
359 br i1 %ptr_is_null, label %is_null, label %not_null, !make.implicit !0
368 define i32 @inc_spill_dep(i32* %ptr, i32 %val) {
370 %ptr_is_null = icmp eq i32* %ptr, null
371 br i1 %ptr_is_null, label %is_null, label %not_null, !make.implicit !0
380 attributes #0 = { "target-features"="+bmi,+bmi2" }
385 name: imp_null_check_with_bitwise_op_0
386 # CHECK-LABEL: name: imp_null_check_with_bitwise_op_0
388 tracksRegLiveness: true
393 # CHECK: %eax = MOV32ri 2200000
394 # CHECK-NEXT: %eax = FAULTING_OP 1, %bb.3.is_null, {{[0-9]+}}, %eax, %rdi, 1, _, 0, _, implicit-def %eflags :: (load 4 from %ir.x)
395 # CHECK-NEXT: JMP_1 %bb.1.not_null
401 TEST64rr %rdi, %rdi, implicit-def %eflags
402 JE_1 %bb.3.is_null, implicit %eflags
407 %eax = MOV32ri 2200000
408 %eax = AND32rm killed %eax, killed %rdi, 1, _, 0, _, implicit-def dead %eflags :: (load 4 from %ir.x)
409 CMP32rr killed %eax, killed %esi, implicit-def %eflags
410 JE_1 %bb.4.ret_100, implicit %eflags
426 name: imp_null_check_with_bitwise_op_1
428 tracksRegLiveness: true
434 # CHECK: %eax = MOV32rm killed %rdx, 1, _, 0, _ :: (volatile load 4 from %ir.ptr)
435 # CHECK-NEXT: TEST64rr %rdi, %rdi, implicit-def %eflags
436 # CHECK-NEXT: JE_1 %bb.3.is_null, implicit %eflags
440 liveins: %esi, %rdi, %rdx
442 %eax = MOV32rm killed %rdx, 1, _, 0, _ :: (volatile load 4 from %ir.ptr)
443 TEST64rr %rdi, %rdi, implicit-def %eflags
444 JE_1 %bb.3.is_null, implicit %eflags
449 %eax = MOV32ri 2200000
450 %eax = AND32rm killed %eax, killed %rdi, 1, _, 0, _, implicit-def dead %eflags :: (load 4 from %ir.x)
451 CMP32rr killed %eax, killed %esi, implicit-def %eflags
452 JE_1 %bb.4.ret_100, implicit %eflags
459 liveins: %eax, %ah, %al, %ax, %bh, %bl, %bp, %bpl, %bx, %eax, %ebp, %ebx, %rax, %rbp, %rbx, %r12, %r13, %r14, %r15, %r12b, %r13b, %r14b, %r15b, %r12d, %r13d, %r14d, %r15d, %r12w, %r13w, %r14w, %r15w
469 name: imp_null_check_with_bitwise_op_2
470 # CHECK-LABEL: name: imp_null_check_with_bitwise_op_2
472 tracksRegLiveness: true
477 # CHECK: TEST64rr %rdi, %rdi, implicit-def %eflags
478 # CHECK-NEXT: JE_1 %bb.3.is_null, implicit %eflags
484 TEST64rr %rdi, %rdi, implicit-def %eflags
485 JE_1 %bb.3.is_null, implicit %eflags
490 %eax = MOV32ri 2200000
491 %eax = ADD32ri killed %eax, 100, implicit-def dead %eflags
492 %eax = AND32rm killed %eax, killed %rdi, 1, _, 0, _, implicit-def dead %eflags :: (load 4 from %ir.x)
493 CMP32rr killed %eax, killed %esi, implicit-def %eflags
494 JE_1 %bb.4.ret_100, implicit %eflags
510 name: imp_null_check_with_bitwise_op_3
511 # CHECK-LABEL: name: imp_null_check_with_bitwise_op_3
513 tracksRegLiveness: true
518 # CHECK: TEST64rr %rdi, %rdi, implicit-def %eflags
519 # CHECK-NEXT: JE_1 %bb.3.is_null, implicit %eflags
525 TEST64rr %rdi, %rdi, implicit-def %eflags
526 JE_1 %bb.3.is_null, implicit %eflags
532 %rdi = AND64rm killed %rdi, killed %rdi, 1, _, 0, _, implicit-def dead %eflags :: (load 4 from %ir.x)
533 CMP64rr killed %rdi, killed %rsi, implicit-def %eflags
534 JE_1 %bb.4.ret_100, implicit %eflags
550 name: imp_null_check_with_bitwise_op_4
551 # CHECK-LABEL: name: imp_null_check_with_bitwise_op_4
553 tracksRegLiveness: true
558 # CHECK: %rbx = MOV64rr %rdx
559 # CHECK-NEXT: %rbx = FAULTING_OP 1, %bb.3.is_null, {{[0-9]+}}, %rbx, %rdi, 1, _, 0, _, implicit-def %eflags :: (load 4 from %ir.x)
563 liveins: %rsi, %rdi, %rdx
565 TEST64rr %rdi, %rdi, implicit-def %eflags
566 JE_1 %bb.3.is_null, implicit %eflags
569 liveins: %rsi, %rdi, %rdx
572 %rbx = AND64rm killed %rbx, killed %rdi, 1, _, 0, _, implicit-def dead %eflags :: (load 4 from %ir.x)
574 CMP64rr killed %rbx, killed %rsi, implicit-def %eflags
575 JE_1 %bb.4.ret_100, implicit %eflags
591 name: no_hoist_across_call
592 # CHECK-LABEL: name: no_hoist_across_call
594 tracksRegLiveness: true
597 calleeSavedRegisters: [ '%bh', '%bl', '%bp', '%bpl', '%bx', '%ebp', '%ebx',
598 '%rbp', '%rbx', '%r12', '%r13', '%r14', '%r15',
599 '%r12b', '%r13b', '%r14b', '%r15b', '%r12d', '%r13d',
600 '%r14d', '%r15d', '%r12w', '%r13w', '%r14w', '%r15w' ]
602 # CHECK-NOT: FAULTING_OP
604 # CHECK: CALL64pcrel32
609 frame-setup PUSH64r killed %rbx, implicit-def %rsp, implicit %rsp
610 CFI_INSTRUCTION def_cfa_offset 16
611 CFI_INSTRUCTION offset %rbx, -16
613 TEST64rr %rbx, %rbx, implicit-def %eflags
614 JE_1 %bb.2.leave, implicit killed %eflags
619 CALL64pcrel32 @f, csr_64, implicit %rsp, implicit-def %rsp
620 %eax = MOV32rm killed %rbx, 1, _, 0, _ :: (load 4 from %ir.ptr)
621 %rbx = POP64r implicit-def %rsp, implicit %rsp
625 %eax = XOR32rr undef %eax, undef %eax, implicit-def dead %eflags
626 %rbx = POP64r implicit-def %rsp, implicit %rsp
631 name: dependency_live_in_hazard
632 # CHECK-LABEL: name: dependency_live_in_hazard
634 # CHECK-NOT: FAULTING_OP
635 # CHECK: bb.1.not_null:
637 # Make sure that the BEXTR32rm instruction below is not used to emit
638 # an implicit null check -- hoisting it will require hosting the move
639 # to %esi and we cannot do that without clobbering the use of %rsi in
640 # the first instruction in bb.1.not_null.
642 tracksRegLiveness: true
650 TEST64rr %rdi, %rdi, implicit-def %eflags
651 JE_1 %bb.2.is_null, implicit killed %eflags
656 %rcx = MOV64rm killed %rsi, 1, _, 0, _ :: (load 8 from %ir.ptr2)
658 %eax = BEXTR32rm killed %rdi, 1, _, 0, _, killed %esi, implicit-def dead %eflags :: (load 4 from %ir.ptr)
659 %eax = ADD32rm killed %eax, killed %rcx, 1, _, 0, _, implicit-def dead %eflags :: (load 4 from %ir.val)
663 %eax = XOR32rr undef %eax, undef %eax, implicit-def dead %eflags
668 name: use_alternate_load_op
669 # CHECK-LABEL: name: use_alternate_load_op
671 # CHECK: %rax = FAULTING_OP 1, %bb.2.is_null, {{[0-9]+}}, %rdi, 1, _, 0, _
672 # CHECK-NEXT: JMP_1 %bb.1.not_null
673 # CHECK: bb.1.not_null
676 tracksRegLiveness: true
684 TEST64rr %rdi, %rdi, implicit-def %eflags
685 JE_1 %bb.2.is_null, implicit killed %eflags
690 %rcx = MOV64rm killed %rsi, 1, _, 0, _
691 %rcx = AND64rm killed %rcx, %rdi, 1, _, 0, _, implicit-def dead %eflags
692 %rax = MOV64rm killed %rdi, 1, _, 0, _
696 %eax = XOR32rr undef %eax, undef %eax, implicit-def dead %eflags
701 name: imp_null_check_gep_load_with_use_dep
702 # CHECK-LABEL: name: imp_null_check_gep_load_with_use_dep
704 # CHECK: %eax = FAULTING_OP 1, %bb.2.is_null, {{[0-9]+}}, %rdi, 1, _, 0, _, implicit-def %rax :: (load 4 from %ir.x)
705 # CHECK-NEXT: JMP_1 %bb.1.not_null
707 tracksRegLiveness: true
715 TEST64rr %rdi, %rdi, implicit-def %eflags
716 JE_1 %bb.1.is_null, implicit %eflags
721 %rsi = ADD64rr %rsi, %rdi, implicit-def dead %eflags
722 %eax = MOV32rm killed %rdi, 1, _, 0, _, implicit-def %rax :: (load 4 from %ir.x)
723 %eax = LEA64_32r killed %rax, 1, killed %rsi, 4, _
732 name: imp_null_check_load_with_base_sep
733 # CHECK-LABEL: name: imp_null_check_load_with_base_sep
735 # CHECK: %rsi = ADD64rr %rsi, %rdi, implicit-def dead %eflags
736 # CHECK-NEXT: %esi = FAULTING_OP 1, %bb.2.is_null, {{[0-9]+}}, %esi, %rdi, 1, _, 0, _, implicit-def %eflags
737 # CHECK-NEXT: JMP_1 %bb.1.not_null
739 tracksRegLiveness: true
747 TEST64rr %rdi, %rdi, implicit-def %eflags
748 JE_1 %bb.1.is_null, implicit %eflags
753 %rsi = ADD64rr %rsi, %rdi, implicit-def dead %eflags
754 %esi = AND32rm killed %esi, %rdi, 1, _, 0, _, implicit-def dead %eflags
765 # CHECK-LABEL: name: inc_store
767 # CHECK: _ = FAULTING_OP 3, %bb.2.is_null, {{[0-9]+}}, %rdi, 1, _, 0, _, %rsi
768 # CHECK-NEXT: JMP_1 %bb.1.not_null
769 # CHECK: bb.1.not_null
772 tracksRegLiveness: true
780 TEST64rr %rdi, %rdi, implicit-def %eflags
781 JE_1 %bb.2.is_null, implicit killed %eflags
786 MOV64mr killed %rdi, 1, _, 0, _, killed %rsi
794 name: inc_store_plus_offset
795 # CHECK-LABEL: inc_store_plus_offset
797 # CHECK: _ = FAULTING_OP 3, %bb.2.is_null, {{[0-9]+}}, %rdi, 1, _, 16, _, %rsi
798 # CHECK-NEXT: JMP_1 %bb.1.not_null
799 # CHECK: bb.1.not_null
802 tracksRegLiveness: true
810 TEST64rr %rdi, %rdi, implicit-def %eflags
811 JE_1 %bb.2.is_null, implicit killed %eflags
816 MOV64mr killed %rdi, 1, _, 16, _, killed %rsi
824 name: inc_store_with_dep
825 # CHECK-LABEL: inc_store_with_dep
827 # CHECK: %esi = ADD32rr killed %esi, killed %esi, implicit-def dead %eflags
828 # CHECK-NEXT: _ = FAULTING_OP 3, %bb.2.is_null, {{[0-9]+}}, %rdi, 1, _, 16, _, %esi
829 # CHECK-NEXT: JMP_1 %bb.1.not_null
830 # CHECK: bb.1.not_null
833 tracksRegLiveness: true
841 TEST64rr %rdi, %rdi, implicit-def %eflags
842 JE_1 %bb.2.is_null, implicit killed %eflags
847 %esi = ADD32rr killed %esi, killed %esi, implicit-def dead %eflags
848 MOV32mr killed %rdi, 1, _, 16, _, killed %esi
856 name: inc_store_with_dep_in_null
857 # CHECK-LABEL: inc_store_with_dep_in_null
859 # CHECK: TEST64rr %rdi, %rdi, implicit-def %eflags
860 # CHECK-NEXT: JE_1 %bb.2.is_null, implicit killed %eflags
861 # CHECK: bb.1.not_null
864 tracksRegLiveness: true
872 TEST64rr %rdi, %rdi, implicit-def %eflags
873 JE_1 %bb.2.is_null, implicit killed %eflags
878 %esi = ADD32rr %esi, %esi, implicit-def dead %eflags
879 MOV32mr killed %rdi, 1, _, 0, _, %esi
880 %eax = MOV32rr killed %esi
886 %eax = MOV32rr killed %esi
891 name: inc_store_with_volatile
892 # CHECK-LABEL: inc_store_with_volatile
894 # CHECK: TEST64rr %rdi, %rdi, implicit-def %eflags
895 # CHECK-NEXT: JE_1 %bb.2.is_null, implicit killed %eflags
896 # CHECK: bb.1.not_null
899 tracksRegLiveness: true
907 TEST64rr %rdi, %rdi, implicit-def %eflags
908 JE_1 %bb.2.is_null, implicit killed %eflags
913 MOV32mr killed %rdi, 1, _, 0, _, killed %esi :: (volatile store 4 into %ir.ptr)
921 name: inc_store_with_two_dep
922 # CHECK-LABEL: inc_store_with_two_dep
924 # CHECK: TEST64rr %rdi, %rdi, implicit-def %eflags
925 # CHECK-NEXT: JE_1 %bb.2.is_null, implicit killed %eflags
926 # CHECK: bb.1.not_null
929 tracksRegLiveness: true
937 TEST64rr %rdi, %rdi, implicit-def %eflags
938 JE_1 %bb.2.is_null, implicit killed %eflags
943 %esi = ADD32rr killed %esi, killed %esi, implicit-def dead %eflags
944 %esi = ADD32ri killed %esi, 15, implicit-def dead %eflags
945 MOV32mr killed %rdi, 1, _, 16, _, killed %esi
953 name: inc_store_with_redefined_base
954 # CHECK-LABEL: inc_store_with_redefined_base
956 # CHECK: TEST64rr %rdi, %rdi, implicit-def %eflags
957 # CHECK-NEXT: JE_1 %bb.2.is_null, implicit killed %eflags
958 # CHECK: bb.1.not_null
961 tracksRegLiveness: true
969 TEST64rr %rdi, %rdi, implicit-def %eflags
970 JE_1 %bb.2.is_null, implicit killed %eflags
975 %rdi = ADD64rr killed %rdi, killed %rdi, implicit-def dead %eflags
976 MOV32mr killed %rdi, 1, _, 16, _, killed %esi
984 name: inc_store_with_reused_base
985 # CHECK-LABEL: inc_store_with_reused_base
987 # CHECK: _ = FAULTING_OP 3, %bb.2.is_null, {{[0-9]+}}, %rdi, 1, _, 16, _, %esi
988 # CHECK-NEXT: JMP_1 %bb.1.not_null
989 # CHECK: bb.1.not_null
992 tracksRegLiveness: true
1000 TEST64rr %rdi, %rdi, implicit-def %eflags
1001 JE_1 %bb.2.is_null, implicit killed %eflags
1007 MOV32mr killed %rdi, 1, _, 16, _, killed %esi
1011 %rax = XOR64rr undef %rax, undef %rax, implicit-def dead %eflags
1016 name: inc_store_across_call
1017 # CHECK-LABEL: inc_store_across_call
1018 # CHECK: bb.0.entry:
1019 # CHECK: TEST64rr %rbx, %rbx, implicit-def %eflags
1020 # CHECK-NEXT: JE_1 %bb.2.is_null, implicit killed %eflags
1021 # CHECK: bb.1.not_null
1024 tracksRegLiveness: true
1027 calleeSavedRegisters: [ '%bh', '%bl', '%bp', '%bpl', '%bx', '%ebp', '%ebx',
1028 '%rbp', '%rbx', '%r12', '%r13', '%r14', '%r15',
1029 '%r12b', '%r13b', '%r14b', '%r15b', '%r12d', '%r13d',
1030 '%r14d', '%r15d', '%r12w', '%r13w', '%r14w', '%r15w' ]
1035 frame-setup PUSH64r killed %rbx, implicit-def %rsp, implicit %rsp
1036 CFI_INSTRUCTION def_cfa_offset 16
1037 CFI_INSTRUCTION offset %rbx, -16
1038 %rbx = MOV64rr killed %rdi
1039 TEST64rr %rbx, %rbx, implicit-def %eflags
1040 JE_1 %bb.2.is_null, implicit killed %eflags
1045 CALL64pcrel32 @f, csr_64, implicit %rsp, implicit-def %rsp
1046 MOV32mi %rbx, 1, _, 0, _, 20
1047 %rax = MOV64rr killed %rbx
1048 %rbx = POP64r implicit-def %rsp, implicit %rsp
1052 %eax = XOR32rr undef %eax, undef %eax, implicit-def dead %eflags
1053 %rbx = POP64r implicit-def %rsp, implicit %rsp
1058 name: inc_store_with_dep_in_dep
1059 # CHECK-LABEL: inc_store_with_dep_in_dep
1060 # CHECK: bb.0.entry:
1061 # CHECK: TEST64rr %rdi, %rdi, implicit-def %eflags
1062 # CHECK-NEXT: JE_1 %bb.2.is_null, implicit killed %eflags
1063 # CHECK: bb.1.not_null
1066 tracksRegLiveness: true
1074 TEST64rr %rdi, %rdi, implicit-def %eflags
1075 JE_1 %bb.2.is_null, implicit killed %eflags
1081 %esi = ADD32ri killed %esi, 15, implicit-def dead %eflags
1082 MOV32mr killed %rdi, 1, _, 0, _, killed %esi
1086 %eax = XOR32rr undef %eax, undef %eax, implicit-def dead %eflags
1091 name: inc_store_with_load_over_store
1092 # CHECK-LABEL: inc_store_with_load_over_store
1093 # CHECK: bb.0.entry:
1094 # CHECK: TEST64rr %rdi, %rdi, implicit-def %eflags
1095 # CHECK-NEXT: JE_1 %bb.2.is_null, implicit killed %eflags
1096 # CHECK: bb.1.not_null
1099 tracksRegLiveness: true
1107 TEST64rr %rdi, %rdi, implicit-def %eflags
1108 JE_1 %bb.2.is_null, implicit killed %eflags
1113 MOV32mi killed %rsi, 1, _, 0, _, 2
1114 %eax = MOV32rm killed %rdi, 1, _, 0, _
1118 %eax = XOR32rr undef %eax, undef %eax, implicit-def dead %eflags
1123 name: inc_store_with_store_over_load
1124 # CHECK-LABEL: inc_store_with_store_over_load
1125 # CHECK: bb.0.entry:
1126 # CHECK: TEST64rr %rdi, %rdi, implicit-def %eflags
1127 # CHECK-NEXT: JE_1 %bb.2.is_null, implicit killed %eflags
1128 # CHECK: bb.1.not_null
1131 tracksRegLiveness: true
1139 TEST64rr %rdi, %rdi, implicit-def %eflags
1140 JE_1 %bb.2.is_null, implicit killed %eflags
1145 %eax = MOV32rm killed %rsi, 1, _, 0, _
1146 MOV32mi killed %rdi, 1, _, 0, _, 2
1150 %eax = XOR32rr undef %eax, undef %eax, implicit-def dead %eflags
1155 name: inc_store_with_store_over_store
1156 # CHECK-LABEL: inc_store_with_store_over_store
1157 # CHECK: bb.0.entry:
1158 # CHECK: TEST64rr %rdi, %rdi, implicit-def %eflags
1159 # CHECK-NEXT: JE_1 %bb.2.is_null, implicit killed %eflags
1160 # CHECK: bb.1.not_null
1163 tracksRegLiveness: true
1171 TEST64rr %rdi, %rdi, implicit-def %eflags
1172 JE_1 %bb.2.is_null, implicit killed %eflags
1177 MOV32mi killed %rsi, 1, _, 0, _, 3
1178 MOV32mi killed %rdi, 1, _, 0, _, 2
1186 name: inc_store_with_load_and_store
1187 # CHECK-LABEL: inc_store_with_load_and_store
1188 # CHECK: bb.0.entry:
1189 # CHECK: _ = FAULTING_OP 2, %bb.2.is_null, {{[0-9]+}}, %rdi, 1, _, 0, _, %esi, implicit-def %eflags
1190 # CHECK-NEXT: JMP_1 %bb.1.not_null
1191 # CHECK: bb.1.not_null
1194 tracksRegLiveness: true
1202 TEST64rr %rdi, %rdi, implicit-def %eflags
1203 JE_1 %bb.2.is_null, implicit killed %eflags
1208 %esi = ADD32rr %esi, %esi, implicit-def dead %eflags
1209 ADD32mr killed %rdi, 1, _, 0, _, killed %esi, implicit-def dead %eflags
1217 name: inc_store_and_load_no_alias
1218 # CHECK-LABEL: inc_store_and_load_no_alias
1219 # CHECK: bb.0.entry:
1220 # CHECK: %eax = FAULTING_OP 1, %bb.2.is_null, {{[0-9]+}}, %rdi, 1, _, 0, _ :: (load 4 from %ir.ptr)
1221 # CHECK-NEXT: JMP_1 %bb.1.not_null
1222 # CHECK: bb.1.not_null
1225 tracksRegLiveness: true
1233 TEST64rr %rdi, %rdi, implicit-def %eflags
1234 JE_1 %bb.2.is_null, implicit killed %eflags
1239 MOV32mi killed %rsi, 1, _, 0, _, 3 :: (store 4 into %ir.ptr2)
1240 %eax = MOV32rm killed %rdi, 1, _, 0, _ :: (load 4 from %ir.ptr)
1244 %eax = XOR32rr undef %eax, undef %eax, implicit-def dead %eflags
1249 name: inc_store_and_load_alias
1250 # CHECK-LABEL: inc_store_and_load_alias
1251 # CHECK: bb.0.entry:
1252 # CHECK: TEST64rr %rdi, %rdi, implicit-def %eflags
1253 # CHECK-NEXT: JE_1 %bb.2.is_null, implicit killed %eflags
1254 # CHECK: bb.1.not_null
1257 tracksRegLiveness: true
1265 TEST64rr %rdi, %rdi, implicit-def %eflags
1266 JE_1 %bb.2.is_null, implicit killed %eflags
1271 MOV32mi killed %rsi, 1, _, 0, _, 3 :: (store 4 into %ir.ptr2)
1272 %eax = MOV32rm killed %rdi, 1, _, 0, _ :: (load 4 from %ir.ptr)
1276 %eax = XOR32rr undef %eax, undef %eax, implicit-def dead %eflags
1282 # CHECK-LABEL: inc_spill_dep
1283 # CHECK: bb.0.entry:
1284 # CHECK: TEST64rr %rdi, %rdi, implicit-def %eflags
1285 # CHECK-NEXT: JE_1 %bb.2.is_null, implicit killed %eflags
1286 # CHECK: bb.1.not_null
1289 tracksRegLiveness: true
1291 - { id: 0, type: spill-slot, offset: -8, size: 8, alignment: 8}
1299 %rsp = frame-setup SUB64ri8 %rsp, 8, implicit-def dead %eflags
1300 MOV32mr %rsp, 1, %noreg, 0, %noreg, %esi :: (store 4 into %stack.0)
1301 TEST64rr %rdi, %rdi, implicit-def %eflags
1302 JE_1 %bb.2.is_null, implicit killed %eflags
1307 %r14d = MOV32rm %rsp, 1, %noreg, 0, %noreg :: (load 4 from %stack.0)
1308 MOV64mr %rsp, 1, %noreg, 0, %noreg, %rdi :: (store 8 into %stack.0)
1309 %edi = MOV32rm %rdi, 1, %noreg, 8, %noreg :: (load 4 from %ir.ptr)
1314 %eax = XOR32rr undef %eax, undef %eax, implicit-def dead %eflags