1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
## Test when the frame size is equal to or large than redzone boundary size(288).
## The behaviour of IsBackChainStored bit of traceback table.
# RUN: llc -mtriple powerpc64-ibm-aix-xcoff -o -\
# RUN: %s | FileCheck %s
---
name: test
tracksRegLiveness: true
stack:
- { id: 0, size: 288, alignment: 16 }
body: |
bb.0:
BLR8 implicit $lr8, implicit $rm
---
name: overredzone
tracksRegLiveness: true
stack:
- { id: 0, size: 296, alignment: 16 }
body: |
bb.0:
BLR8 implicit $lr8, implicit $rm
; CHECK: .vbyte 4, 0x00000000 # Traceback table begin
; CHECK-NEXT: .byte 0x00 # Version = 0
; CHECK-NEXT: .byte 0x09 # Language = CPlusPlus
; CHECK-NEXT: .byte 0x20 # -IsGlobaLinkage, -IsOutOfLineEpilogOrPrologue
; CHECK-NEXT: # +HasTraceBackTableOffset, -IsInternalProcedure
; CHECK-NEXT: # -HasControlledStorage, -IsTOCless
; CHECK-NEXT: # -IsFloatingPointPresent
; CHECK-NEXT: # -IsFloatingPointOperationLogOrAbortEnabled
; CHECK-NEXT: .byte 0x40 # -IsInterruptHandler, +IsFunctionNamePresent, -IsAllocaUsed
; CHECK-NEXT: # OnConditionDirective = 0, -IsCRSaved, -IsLRSaved
; CHECK-NEXT: .byte 0x00 # -IsBackChainStored, -IsFixup, NumOfFPRsSaved = 0
; CHECK-NEXT: .byte 0x00 # -HasExtensionTable, -HasVectorInfo, NumOfGPRsSaved = 0
; CHECK-NEXT: .byte 0x00 # NumberOfFixedParms = 0
; CHECK-NEXT: .byte 0x01 # NumberOfFPParms = 0, +HasParmsOnStack
; CHECK-NEXT: .vbyte 4, L..test0-.test # Function size
; CHECK-NEXT: .vbyte 2, 0x0004 # Function name len = 4
; CHECK-NEXT: .byte "test" # Function Name
; CHECK: .vbyte 4, 0x00000000 # Traceback table begin
; CHECK-NEXT: .byte 0x00 # Version = 0
; CHECK-NEXT: .byte 0x09 # Language = CPlusPlus
; CHECK-NEXT: .byte 0x20 # -IsGlobaLinkage, -IsOutOfLineEpilogOrPrologue
; CHECK-NEXT: # +HasTraceBackTableOffset, -IsInternalProcedure
; CHECK-NEXT: # -HasControlledStorage, -IsTOCless
; CHECK-NEXT: # -IsFloatingPointPresent
; CHECK-NEXT: # -IsFloatingPointOperationLogOrAbortEnabled
; CHECK-NEXT: .byte 0x40 # -IsInterruptHandler, +IsFunctionNamePresent, -IsAllocaUsed
; CHECK-NEXT: # OnConditionDirective = 0, -IsCRSaved, -IsLRSaved
; CHECK-NEXT: .byte 0x80 # +IsBackChainStored, -IsFixup, NumOfFPRsSaved = 0
; CHECK-NEXT: .byte 0x00 # -HasExtensionTable, -HasVectorInfo, NumOfGPRsSaved = 0
; CHECK-NEXT: .byte 0x00 # NumberOfFixedParms = 0
; CHECK-NEXT: .byte 0x01 # NumberOfFPParms = 0, +HasParmsOnStack
; CHECK-NEXT: .vbyte 4, L..overredzone0-.overredzone # Function size
; CHECK-NEXT: .vbyte 2, 0x000b # Function name len = 11
; CHECK-NEXT: .byte "overredzone" # Function Name
...
|
