llvm/test/CodeGen/PowerPC/aix-emit-tracebacktable-redzone-boundary.mir

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