1 # RUN: llc -o - %s -mtriple=aarch64-windows -start-after=prologepilog \
2 # RUN: -filetype=obj | llvm-readobj --unwind - | FileCheck %s
3 # Test that the register pairing of both general purpose and floating point
4 # registers is correctly saved in the .xdata section, as well as the pre/post
5 # increment of floating point register pairs.
7 # CHECK: ExceptionData {
8 # CHECK-NEXT: FunctionLength: 124
9 # CHECK-NEXT: Version: 0
10 # CHECK-NEXT: ExceptionData: No
11 # CHECK-NEXT: EpiloguePacked: Yes
12 # CHECK-NEXT: EpilogueOffset: 0
13 # CHECK-NEXT: ByteCodeLength: 16
14 # CHECK-NEXT: Prologue [
15 # CHECK-NEXT: 0xc80c ; stp x19, x20, [sp, #96]
16 # CHECK-NEXT: 0xc88a ; stp x21, x22, [sp, #80]
17 # CHECK-NEXT: 0xc908 ; stp x23, x24, [sp, #64]
18 # CHECK-NEXT: 0xc986 ; stp x25, x26, [sp, #48]
19 # CHECK-NEXT: 0xca04 ; stp x27, x28, [sp, #32]
20 # CHECK-NEXT: 0xd802 ; stp d8, d9, [sp, #16]
21 # CHECK-NEXT: 0xda8d ; stp d10, d11, [sp, #-112]!
22 # CHECK-NEXT: 0xe4 ; end
29 exposesReturnsTwice: false
31 regBankSelected: false
34 tracksRegLiveness: true
38 - { reg: '$w0', virtual-reg: '' }
40 isFrameAddressTaken: false
41 isReturnAddressTaken: false
51 hasOpaqueSPAdjustment: true
53 hasMustTailInVarArgFunc: false
59 - { id: 0, name: '', type: spill-slot, offset: -8, size: 8, alignment: 8,
60 stack-id: default, callee-saved-register: '$x19', callee-saved-restored: true,
61 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
62 - { id: 1, name: '', type: spill-slot, offset: -16, size: 8, alignment: 8,
63 stack-id: default, callee-saved-register: '$x20', callee-saved-restored: true,
64 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
65 - { id: 2, name: '', type: spill-slot, offset: -24, size: 8, alignment: 8,
66 stack-id: default, callee-saved-register: '$x21', callee-saved-restored: true,
67 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
68 - { id: 3, name: '', type: spill-slot, offset: -32, size: 8, alignment: 8,
69 stack-id: default, callee-saved-register: '$x22', callee-saved-restored: true,
70 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
71 - { id: 4, name: '', type: spill-slot, offset: -40, size: 8, alignment: 8,
72 stack-id: default, callee-saved-register: '$x23', callee-saved-restored: true,
73 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
74 - { id: 5, name: '', type: spill-slot, offset: -48, size: 8, alignment: 8,
75 stack-id: default, callee-saved-register: '$x24', callee-saved-restored: true,
76 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
77 - { id: 6, name: '', type: spill-slot, offset: -56, size: 8, alignment: 8,
78 stack-id: default, callee-saved-register: '$x25', callee-saved-restored: true,
79 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
80 - { id: 7, name: '', type: spill-slot, offset: -64, size: 8, alignment: 8,
81 stack-id: default, callee-saved-register: '$x26', callee-saved-restored: true,
82 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
83 - { id: 8, name: '', type: spill-slot, offset: -72, size: 8, alignment: 8,
84 stack-id: default, callee-saved-register: '$x27', callee-saved-restored: true,
85 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
86 - { id: 9, name: '', type: spill-slot, offset: -80, size: 8, alignment: 8,
87 stack-id: default, callee-saved-register: '$x28', callee-saved-restored: true,
88 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
89 - { id: 10, name: '', type: spill-slot, offset: -88, size: 8, alignment: 8,
90 stack-id: default, callee-saved-register: '$d8', callee-saved-restored: true,
91 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
92 - { id: 11, name: '', type: spill-slot, offset: -96, size: 8, alignment: 8,
93 stack-id: default, callee-saved-register: '$d9', callee-saved-restored: true,
94 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
95 - { id: 12, name: '', type: spill-slot, offset: -104, size: 8, alignment: 8,
96 stack-id: default, callee-saved-register: '$d10', callee-saved-restored: true,
97 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
98 - { id: 13, name: '', type: spill-slot, offset: -112, size: 8, alignment: 8,
99 stack-id: default, callee-saved-register: '$d11', callee-saved-restored: true,
100 debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
104 liveins: $x0, $x1, $d0, $d1, $d10, $d11, $d8, $d9, $x27, $x28, $x25, $x26, $x23, $x24, $x21, $x22, $x19, $x20
106 early-clobber $sp = frame-setup STPDpre killed $d10, killed $d11, $sp, -14 :: (store (s64) into %stack.12), (store (s64) into %stack.13)
107 frame-setup SEH_SaveFRegP_X 10, 11, -112
108 frame-setup STPDi killed $d8, killed $d9, $sp, 2 :: (store (s64) into %stack.10), (store (s64) into %stack.11)
109 frame-setup SEH_SaveFRegP 8, 9, 16
110 frame-setup STPXi killed $x27, killed $x28, $sp, 4 :: (store (s64) into %stack.8), (store (s64) into %stack.9)
111 frame-setup SEH_SaveRegP 27, 28, 32
112 frame-setup STPXi killed $x25, killed $x26, $sp, 6 :: (store (s64) into %stack.6), (store (s64) into %stack.7)
113 frame-setup SEH_SaveRegP 25, 26, 48
114 frame-setup STPXi killed $x23, killed $x24, $sp, 8 :: (store (s64) into %stack.4), (store (s64) into %stack.5)
115 frame-setup SEH_SaveRegP 23, 24, 64
116 frame-setup STPXi killed $x21, killed $x22, $sp, 10 :: (store (s64) into %stack.2), (store (s64) into %stack.3)
117 frame-setup SEH_SaveRegP 21, 22, 80
118 frame-setup STPXi killed $x19, killed $x20, $sp, 12 :: (store (s64) into %stack.0), (store (s64) into %stack.1)
119 frame-setup SEH_SaveRegP 19, 20, 96
120 frame-setup SEH_PrologEnd
121 $x19 = ADDXrr $x0, killed $x1
122 $d8 = FADDDrr killed $d0, $d1, implicit $fpcr
123 $d9 = FADDDrr $d8, $d1, implicit $fpcr
124 $d10 = FADDDrr $d9, $d8, implicit $fpcr
125 $d11 = FADDDrr killed $d9, $d10, implicit $fpcr
126 $x20 = ADDXrr $x19, killed $x0
127 $x21 = ADDXrr $x20, killed $x19
128 $x22 = ADDXrr $x21, killed $x20
129 $x23 = ADDXrr $x22, killed $x21
130 $x24 = ADDXrr $x23, killed $x22
131 $x25 = ADDXrr $x24, killed $x23
132 $x26 = ADDXrr $x25, killed $x24
133 $x27 = ADDXrr $x26, killed $x25
134 $x28 = ADDXrr $x27, killed $x26
136 $x0 = ADDXrr $x0, killed $x28
137 frame-destroy SEH_EpilogStart
138 $x19, $x20 = frame-destroy LDPXi $sp, 12 :: (load (s64) from %stack.0), (load (s64) from %stack.1)
139 frame-destroy SEH_SaveRegP 19, 20, 96
140 $x21, $x22 = frame-destroy LDPXi $sp, 10 :: (load (s64) from %stack.2), (load (s64) from %stack.3)
141 frame-destroy SEH_SaveRegP 21, 22, 80
142 $x23, $x24 = frame-destroy LDPXi $sp, 8 :: (load (s64) from %stack.4), (load (s64) from %stack.5)
143 frame-destroy SEH_SaveRegP 23, 24, 64
144 $x25, $x26 = frame-destroy LDPXi $sp, 6 :: (load (s64) from %stack.6), (load (s64) from %stack.7)
145 frame-destroy SEH_SaveRegP 25, 26, 48
146 $x27, $x28 = frame-destroy LDPXi $sp, 4 :: (load (s64) from %stack.8), (load (s64) from %stack.9)
147 frame-destroy SEH_SaveRegP 27, 28, 32
148 $d8, $d9 = frame-destroy LDPDi $sp, 2 :: (load (s64) from %stack.10), (load (s64) from %stack.11)
149 frame-destroy SEH_SaveFRegP 8, 9, 16
150 early-clobber $sp, $d10, $d11 = frame-destroy LDPDpost $sp, 14 :: (load (s64) from %stack.12), (load (s64) from %stack.13)
151 frame-destroy SEH_SaveFRegP_X 10, 11, -112
152 frame-destroy SEH_EpilogEnd
153 RET_ReallyLR implicit $x0