## Top method regressions
109 (213.73 % of base) - Dapper.CustomPropertyTypeMap:FindConstructor(System.String[],System.Type[]):System.Reflection.ConstructorInfo:this
```diff
; Assembly listing for method Dapper.CustomPropertyTypeMap:FindConstructor(System.String[],System.Type[]):System.Reflection.ConstructorInfo:this (FullOpts)
; Emitting BLENDED_CODE for x64 + VEX + EVEX on Unix
; FullOpts code
; optimized code
; rbp based frame
; fully interruptible
; No PGO data
; 0 inlinees with PGO data; 3 single block inlinees; 3 inlinees without PGO data
; Final local variable assignments
;
-; V00 this [V00,T01] ( 3, 3 ) ref -> rdi this class-hnd single-def
+; V00 this [V00,T04] ( 3, 3 ) ref -> rdi this class-hnd single-def
;* V01 arg1 [V01 ] ( 0, 0 ) ref -> zero-ref class-hnd single-def
;* V02 arg2 [V02 ] ( 0, 0 ) ref -> zero-ref class-hnd single-def
;# V03 OutArgs [V03 ] ( 1, 1 ) struct ( 0) [rsp+0x00] do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
-; V04 tmp1 [V04,T00] ( 4, 8 ) ref -> rdi class-hnd single-def "impAppendStmt"
-;* V05 tmp2 [V05 ] ( 0, 0 ) ref -> zero-ref class-hnd exact "Inlining Arg"
-;* V06 tmp3 [V06 ] ( 0, 0 ) ref -> zero-ref class-hnd exact "Inlining Arg"
-; V07 tmp4 [V07,T02] ( 2, 4 ) ref -> r8 class-hnd exact single-def "Inlining Arg"
-;* V08 tmp5 [V08,T03] ( 0, 0 ) int -> zero-ref "Inline stloc first use temp"
-;* V09 tmp6 [V09 ] ( 0, 0 ) ref -> zero-ref class-hnd "Inlining Arg"
+; V04 tmp1 [V04,T03] ( 4, 8 ) ref -> rbx class-hnd single-def "impAppendStmt"
+; V05 tmp2 [V05,T02] ( 5, 9 ) ref -> r8 class-hnd single-def "Inlining Arg"
+;* V06 tmp3 [V06,T06] ( 0, 0 ) int -> zero-ref "Inline stloc first use temp"
+;* V07 tmp4 [V07 ] ( 0, 0 ) ref -> zero-ref class-hnd "Inlining Arg"
+; V08 cse0 [V08,T05] ( 3, 2.50) int -> rdi "CSE #01: aggressive"
+; V09 rat0 [V09,T00] ( 4, 12.50) byref -> rsi "Strength reduced derived IV"
+; V10 rat1 [V10,T01] ( 4, 12.50) int -> rdi "Trip count IV"
;
-; Lcl frame size = 0
+; Lcl frame size = 8
G_M57731_IG01:
push rbp
- mov rbp, rsp
- ;; size=4 bbWeight=1 PerfScore 1.25
+ push rbx
+ push rax
+ lea rbp, [rsp+0x10]
+ ;; size=8 bbWeight=1 PerfScore 3.50
G_M57731_IG02:
- mov rdi, gword ptr [rdi+0x08]
- cmp byte ptr [rdi], dil
- mov r8, 0xD1FFAB1E ; const ptr
- mov r8, gword ptr [r8]
+ mov rbx, gword ptr [rdi+0x08]
+ mov rdi, 0xD1FFAB1E ; global ptr
+ test byte ptr [rdi], 1
+ je SHORT G_M57731_IG08
+ ;; size=19 bbWeight=1 PerfScore 5.25
+G_M57731_IG03:
+ mov rdi, 0xD1FFAB1E ; data for System.Array+EmptyArray`1[System.Type]:Value
+ mov r8, gword ptr [rdi]
+ cmp byte ptr [rbx], bl
+ test r8, r8
+ je SHORT G_M57731_IG09
+ mov edi, dword ptr [r8+0x08]
+ test edi, edi
+ jle SHORT G_M57731_IG06
+ ;; size=28 bbWeight=1 PerfScore 8.75
+G_M57731_IG04:
+ lea rsi, bword ptr [r8+0x10]
+ align [5 bytes for IG05]
+ ;; size=9 bbWeight=0.50 PerfScore 0.38
+G_M57731_IG05:
+ cmp gword ptr [rsi], 0
+ je SHORT G_M57731_IG09
+ add rsi, 8
+ dec edi
+ jne SHORT G_M57731_IG05
+ ;; size=14 bbWeight=4 PerfScore 18.00
+G_M57731_IG06:
+ mov rdi, rbx
mov esi, 20
xor rdx, rdx
mov ecx, 3
xor r9, r9
- mov rax, qword ptr [rdi]
+ mov rax, qword ptr [rbx]
mov rax, qword ptr [rax+0x78]
- ;; size=42 bbWeight=1 PerfScore 11.25
-G_M57731_IG03:
+ ;; size=25 bbWeight=1 PerfScore 5.25
+G_M57731_IG07:
+ add rsp, 8
+ pop rbx
pop rbp
tail.jmp [rax+0x38]System.Type:GetConstructorImpl(int,System.Reflection.Binder,int,System.Type[],System.Reflection.ParameterModifier[]):System.Reflection.ConstructorInfo:this
- ;; size=5 bbWeight=1 PerfScore 2.50
+ ;; size=10 bbWeight=1 PerfScore 3.25
+G_M57731_IG08:
+ mov rdi, 0xD1FFAB1E ; System.Array+EmptyArray`1[System.Type]
+ mov rax, 0xD1FFAB1E ; code for CORINFO_HELP_GET_GCSTATIC_BASE
+ call [rax]CORINFO_HELP_GET_GCSTATIC_BASE
+ jmp SHORT G_M57731_IG03
+ ;; size=24 bbWeight=0 PerfScore 0.00
+G_M57731_IG09:
+ mov rdi, 0xD1FFAB1E ; 'types'
+ mov rax, 0xD1FFAB1E ; code for System.ArgumentNullException:Throw(System.String)
+ call [rax]System.ArgumentNullException:Throw(System.String)
+ int3
+ ;; size=23 bbWeight=0 PerfScore 0.00
-; Total bytes of code 51, prolog size 4, PerfScore 15.00, instruction count 14, allocated bytes for code 51 (MethodHash=b5d61e7c) for method Dapper.CustomPropertyTypeMap:FindConstructor(System.String[],System.Type[]):System.Reflection.ConstructorInfo:this (FullOpts)
+; Total bytes of code 160, prolog size 8, PerfScore 44.38, instruction count 42, allocated bytes for code 160 (MethodHash=b5d61e7c) for method Dapper.CustomPropertyTypeMap:FindConstructor(System.String[],System.Type[]):System.Reflection.ConstructorInfo:this (FullOpts)
; ============================================================
```
49 (48.51 % of base) - NLog.LogFactory:SetCandidateConfigFilePaths(System.Collections.Generic.IEnumerable`1[System.String]):this
```diff
; Assembly listing for method NLog.LogFactory:SetCandidateConfigFilePaths(System.Collections.Generic.IEnumerable`1[System.String]):this (FullOpts)
; Emitting BLENDED_CODE for x64 + VEX + EVEX on Unix
; FullOpts code
; optimized code
-; rsp based frame
+; rbp based frame
; fully interruptible
; No PGO data
; 0 inlinees with PGO data; 2 single block inlinees; 0 inlinees without PGO data
; Final local variable assignments
;
; V00 this [V00,T01] ( 4, 3.50) ref -> rbx this class-hnd single-def
; V01 arg1 [V01,T02] ( 4, 3.50) ref -> r15 class-hnd single-def
;# V02 OutArgs [V02 ] ( 1, 1 ) struct ( 0) [rsp+0x00] do-not-enreg[XS] addr-exposed "OutgoingArgSpace"
-; V03 tmp1 [V03,T00] ( 3, 6 ) ref -> r14 class-hnd exact single-def "NewObj constructor temp"
+; V03 tmp1 [V03,T00] ( 3, 6 ) ref -> r13 class-hnd exact single-def "NewObj constructor temp"
+; V04 cse0 [V04,T03] ( 3, 2 ) long -> r14 "CSE #01: aggressive"
;
; Lcl frame size = 0
G_M7101_IG01:
+ push rbp
push r15
push r14
+ push r13
push rbx
+ lea rbp, [rsp+0x20]
mov rbx, rdi
mov r15, rsi
- ;; size=11 bbWeight=1 PerfScore 3.50
+ ;; size=19 bbWeight=1 PerfScore 6.00
G_M7101_IG02:
- mov rdi, 0xD1FFAB1E ; System.Collections.Generic.List`1[System.String]
+ mov r14, 0xD1FFAB1E ; System.Collections.Generic.List`1[System.String]
+ mov rdi, r14
call CORINFO_HELP_NEWSFAST
- mov r14, rax
- mov rdi, 0xD1FFAB1E ; const ptr
+ mov r13, rax
+ mov rdi, 0xD1FFAB1E ; global ptr
+ test byte ptr [rdi], 1
+ je SHORT G_M7101_IG07
+ ;; size=36 bbWeight=1 PerfScore 5.00
+G_M7101_IG03:
+ mov rdi, 0xD1FFAB1E ; data for System.Collections.Generic.List`1[System.String]:s_emptyArray
mov rsi, gword ptr [rdi]
- lea rdi, bword ptr [r14+0x08]
+ lea rdi, bword ptr [r13+0x08]
call CORINFO_HELP_ASSIGN_REF
lea rdi, bword ptr [rbx+0x50]
- mov rsi, r14
+ mov rsi, r13
call CORINFO_HELP_ASSIGN_REF
test r15, r15
- jne SHORT G_M7101_IG04
- ;; size=57 bbWeight=1 PerfScore 8.25
-G_M7101_IG03:
+ jne SHORT G_M7101_IG05
+ ;; size=39 bbWeight=1 PerfScore 6.75
+G_M7101_IG04:
pop rbx
+ pop r13
pop r14
pop r15
+ pop rbp
ret
- ;; size=6 bbWeight=0.50 PerfScore 1.25
-G_M7101_IG04:
+ ;; size=9 bbWeight=0.50 PerfScore 1.75
+G_M7101_IG05:
mov rdi, gword ptr [rbx+0x50]
mov rsi, r15
mov rax, 0xD1FFAB1E ; code for System.Collections.Generic.List`1[System.__Canon]:AddRange(System.Collections.Generic.IEnumerable`1[System.__Canon]):this
cmp dword ptr [rdi], edi
;; size=19 bbWeight=0.50 PerfScore 2.25
-G_M7101_IG05:
+G_M7101_IG06:
pop rbx
+ pop r13
pop r14
pop r15
+ pop rbp
tail.jmp [rax]System.Collections.Generic.List`1[System.__Canon]:AddRange(System.Collections.Generic.IEnumerable`1[System.__Canon]):this
- ;; size=8 bbWeight=0.50 PerfScore 1.75
+ ;; size=11 bbWeight=0.50 PerfScore 2.25
+G_M7101_IG07:
+ mov rdi, r14
+ mov rax, 0xD1FFAB1E ; code for CORINFO_HELP_GET_GCSTATIC_BASE
+ call [rax]CORINFO_HELP_GET_GCSTATIC_BASE
+ jmp SHORT G_M7101_IG03
+ ;; size=17 bbWeight=0 PerfScore 0.00
-; Total bytes of code 101, prolog size 11, PerfScore 17.00, instruction count 29, allocated bytes for code 101 (MethodHash=b5a3e442) for method NLog.LogFactory:SetCandidateConfigFilePaths(System.Collections.Generic.IEnumerable`1[System.String]):this (FullOpts)
+; Total bytes of code 150, prolog size 19, PerfScore 24.00, instruction count 44, allocated bytes for code 150 (MethodHash=b5a3e442) for method NLog.LogFactory:SetCandidateConfigFilePaths(System.Collections.Generic.IEnumerable`1[System.String]):this (FullOpts)
; ============================================================
```
Note: some changes were skipped as they were too large to fit into a comment.