llvm/test/CodeGen/PowerPC/aix-emit-tracebacktable-clobber-register.ll

   1 ; RUN: llc -verify-machineinstrs -mtriple powerpc-ibm-aix-xcoff -mcpu=pwr4 \
   2 ; RUN:     -mattr=+altivec -vec-extabi -xcoff-traceback-table=true < %s | \
   3 ; RUN:   FileCheck --check-prefixes=CHECK-ASM,COMMON %s
   4
   5 ; RUN: llc -verify-machineinstrs -mtriple powerpc-ibm-aix-xcoff -function-sections \
   6 ; RUN:     -mcpu=pwr4 -mattr=+altivec -vec-extabi  < %s | \
   7 ; RUN:   FileCheck --check-prefixes=CHECK-FUNC,COMMON %s
   8
   9 define float @bar() #0 {
  10 entry:
  11   %fvalue = alloca float, align 4
  12   %taken = alloca i32, align 4
  13   %data = alloca i32, align 4
  14   store float 1.000000e+00, float* %fvalue, align 4
  15   %0 = load float, float* %fvalue, align 4
  16   %1 = call float asm "fneg $0,$1\0A\09", "=b,b,~{f31},~{f30},~{f29},~{f28},~{f27}"(float %0)
  17   store float %1, float* %fvalue, align 4
  18   store i32 123, i32* %data, align 4
  19   %2 = load i32, i32* %data, align 4
  20   %3 = call i32 asm "cntlzw $0, $1\0A\09", "=b,b,~{r31},~{r30},~{r29},~{r28}"(i32 %2)
  21   store i32 %3, i32* %taken, align 4
  22   %4 = load i32, i32* %taken, align 4
  23   %conv = sitofp i32 %4 to float
  24   %5 = load float, float* %fvalue, align 4
  25   %add = fadd float %conv, %5
  26   ret float %add
  27 }
  28
  29 define <4 x i32> @foov() #0 {
  30 entry:
  31   %taken = alloca <4 x i32>, align 16
  32   %data = alloca <4 x i32>, align 16
  33   store <4 x i32> <i32 123, i32 0, i32 0, i32 0>, <4 x i32>* %data, align 16
  34   call void asm sideeffect "", "~{v31},~{v30},~{v29},~{v28}"()
  35   %0 = load <4 x i32>, <4 x i32>* %taken, align 16
  36   ret <4 x i32> %0
  37 }
  38
  39 ; COMMON:       .vbyte  4, 0x00000000                   # Traceback table begin
  40 ; COMMON-NEXT:  .byte   0x00                            # Version = 0
  41 ; COMMON-NEXT:  .byte   0x09                            # Language = CPlusPlus
  42 ; COMMON-NEXT:  .byte   0x22                            # -IsGlobaLinkage, -IsOutOfLineEpilogOrPrologue
  43 ; COMMON-NEXT:                                        # +HasTraceBackTableOffset, -IsInternalProcedure
  44 ; COMMON-NEXT:                                        # -HasControlledStorage, -IsTOCless
  45 ; COMMON-NEXT:                                        # +IsFloatingPointPresent
  46 ; COMMON-NEXT:                                        # -IsFloatingPointOperationLogOrAbortEnabled
  47 ; COMMON-NEXT:  .byte   0x60                            # -IsInterruptHandler, +IsFunctionNamePresent, +IsAllocaUsed
  48 ; COMMON-NEXT:                                        # OnConditionDirective = 0, -IsCRSaved, -IsLRSaved
  49 ; COMMON-NEXT:  .byte   0x85                            # +IsBackChainStored, -IsFixup, NumOfFPRsSaved = 5
  50 ; COMMON-NEXT:  .byte   0x04                            # -HasExtensionTable, -HasVectorInfo, NumOfGPRsSaved = 4
  51 ; COMMON-NEXT:  .byte   0x00                            # NumberOfFixedParms = 0
  52 ; COMMON-NEXT:  .byte   0x01                            # NumberOfFPParms = 0, +HasParmsOnStack
  53 ; CHECK-ASM-NEXT:   .vbyte  4, L..bar0-.bar                 # Function size
  54 ; CHECK-FUNC-NEXT:  .vbyte  4, L..bar0-.bar[PR]             # Function size
  55 ; COMMON-NEXT:  .vbyte  2, 0x0003                       # Function name len = 3
  56 ; COMMON-NEXT:  .byte   "bar"                           # Function Name
  57 ; COMMON-NEXT:  .byte   0x1f                            # AllocaUsed
  58 ; COMMON-NEXT:                                        # -- End function
  59
  60 ; COMMON:     L..foov0:
  61 ; COMMON-NEXT:  .vbyte  4, 0x00000000                   # Traceback table begin
  62 ; COMMON-NEXT:  .byte   0x00                            # Version = 0
  63 ; COMMON-NEXT:  .byte   0x09                            # Language = CPlusPlus
  64 ; COMMON-NEXT:  .byte   0x20                            # -IsGlobaLinkage, -IsOutOfLineEpilogOrPrologue
  65 ; COMMON-NEXT:                                         # +HasTraceBackTableOffset, -IsInternalProcedure
  66 ; COMMON-NEXT:                                         # -HasControlledStorage, -IsTOCless
  67 ; COMMON-NEXT:                                         # -IsFloatingPointPresent
  68 ; COMMON-NEXT:                                         # -IsFloatingPointOperationLogOrAbortEnabled
  69 ; COMMON-NEXT:  .byte   0x40                            # -IsInterruptHandler, +IsFunctionNamePresent, -IsAllocaUsed
  70 ; COMMON-NEXT:                                         # OnConditionDirective = 0, -IsCRSaved, -IsLRSaved
  71 ; COMMON-NEXT:  .byte   0x80                            # +IsBackChainStored, -IsFixup, NumOfFPRsSaved = 0
  72 ; COMMON-NEXT:  .byte   0xc0                            # +HasExtensionTable, +HasVectorInfo, NumOfGPRsSaved = 0
  73 ; COMMON-NEXT:  .byte   0x00                            # NumberOfFixedParms = 0
  74 ; COMMON-NEXT:  .byte   0x01                            # NumberOfFPParms = 0, +HasParmsOnStack
  75 ; CHECK-ASM-NEXT:   .vbyte  4, L..foov0-.foov               # Function size
  76 ; CHECK-FUNC-NEXT:  .vbyte  4, L..foov0-.foov[PR]           # Function size
  77 ; COMMON-NEXT:  .vbyte  2, 0x0004                       # Function name len = 4
  78 ; COMMON-NEXT:  .byte   "foov"                          # Function Name
  79 ; COMMON-NEXT:  .byte   0x12                            # NumOfVRsSaved = 4, +IsVRSavedOnStack, -HasVarArgs
  80 ; COMMON-NEXT:  .byte   0x01                            # NumOfVectorParams = 0, +HasVMXInstruction
  81 ; COMMON-NEXT:  .vbyte  4, 0x00000000                   # Vector Parameter type =
  82 ; COMMON-NEXT:  .vbyte  2, 0x0000                       # Padding
  83 ; COMMON-NEXT:  .byte   0x08                            # ExtensionTableFlag = TB_EH_INFO
  84 ; COMMON-NEXT:  .align  2
  85 ; COMMON-NEXT:  .vbyte  4, L..C2-TOC[TC0]               # EHInfo Table
  86
  87 ; COMMON:       .csect .eh_info_table[RW],2
  88 ; COMMON-NEXT:__ehinfo.1:
  89 ; COMMON-NEXT:  .vbyte  4, 0
  90 ; COMMON-NEXT:  .align  2
  91 ; COMMON-NEXT:  .vbyte  4, 0
  92 ; COMMON-NEXT:  .vbyte  4, 0
  93 ; CHECK-ASM-NEXT:  .csect .text[PR],2
  94 ; CHECK-FUNC-NEXT:  .csect .foov[PR],2
  95 ; COMMON-NEXT:                                         # -- End function
  96 ; COMMON:       .toc
  97 ; COMMON:      L..C2:
  98 ; COMMON-NEXT:  .tc __ehinfo.1[TC],__ehinfo.1