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llvm-mirror/test/CodeGen/PowerPC/aix-xcoff-rodata.ll
David Tenty 9cf21dc31e [AIX] Update data directives for AIX assembly 
Summary:
The standard data emission directives (e.g. .short, .long) in the AIX assembler
have the unintended consequence of aligning their output to the natural byte
boundary. This cause problems because we aren't expecting behavior from the
Data*bitsDirectives, so the final alignment of data isn't correct in some cases
on AIX.

This patch updated the Data*bitsDirectives to use .vbyte pseudo-ops instead to emit the
data, since we will emit the .align directives as needed. We update the existing
testcases and add a test for emission of struct data.

Reviewers: hubert.reinterpretcast, Xiangling_L, jasonliu

Reviewed By: hubert.reinterpretcast, jasonliu

Subscribers: wuzish, nemanjai, hiraditya, kbarton, arphaman, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D80934
2020-06-03 10:55:59 -04:00

337 lines
12 KiB
LLVM
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; RUN: llc -verify-machineinstrs -mcpu=pwr7 -mtriple powerpc-ibm-aix-xcoff < %s | FileCheck --check-prefixes=CHECK,CHECK32 %s
; RUN: llc -verify-machineinstrs -mcpu=pwr7 -mtriple powerpc64-ibm-aix-xcoff < %s | FileCheck --check-prefixes=CHECK,CHECK64 %s
; RUN: llc -verify-machineinstrs -mcpu=pwr7 -mtriple powerpc-ibm-aix-xcoff -filetype=obj -o %t.o < %s
; RUN: llvm-readobj --section-headers --file-header %t.o | \
; RUN: FileCheck --check-prefix=OBJ %s
; RUN: llvm-readobj --syms %t.o | FileCheck --check-prefix=SYMS %s
; RUN: llvm-objdump -D %t.o | FileCheck --check-prefix=DIS %s
; RUN: not --crash llc -verify-machineinstrs -mcpu=pwr7 -mtriple powerpc64-ibm-aix-xcoff -filetype=obj < %s 2>&1 | \
; RUN: FileCheck --check-prefix=XCOFF64 %s
; XCOFF64: LLVM ERROR: 64-bit XCOFF object files are not supported yet.
@const_ivar = constant i32 35, align 4
@const_llvar = constant i64 36, align 8
@const_svar = constant i16 37, align 2
@const_fvar = constant float 8.000000e+02, align 4
@const_dvar = constant double 9.000000e+02, align 8
@const_over_aligned = constant double 9.000000e+02, align 32
@const_chrarray = constant [4 x i8] c"abcd", align 1
@const_dblarr = constant [4 x double] [double 1.000000e+00, double 2.000000e+00, double 3.000000e+00, double 4.000000e+00], align 8
; CHECK: .csect .rodata[RO],5
; CHECK-NEXT: .globl const_ivar
; CHECK-NEXT: .align 2
; CHECK-NEXT: const_ivar:
; CHECK-NEXT: .vbyte 4, 35
; CHECK-NEXT: .globl const_llvar
; CHECK-NEXT: .align 3
; CHECK-NEXT: const_llvar:
; CHECK32-NEXT: .vbyte 4, 0
; CHECK32-NEXT: .vbyte 4, 36
; CHECK64-NEXT: .vbyte 8, 36
; CHECK-NEXT: .globl const_svar
; CHECK-NEXT: .align 1
; CHECK-NEXT: const_svar:
; CHECK-NEXT: .vbyte 2, 37
; CHECK-NEXT: .globl const_fvar
; CHECK-NEXT: .align 2
; CHECK-NEXT: const_fvar:
; CHECK-NEXT: .vbyte 4, 0x44480000
; CHECK-NEXT: .globl const_dvar
; CHECK-NEXT: .align 3
; CHECK-NEXT: const_dvar:
; CHECK32-NEXT: .vbyte 4, 1082925056
; CHECK32-NEXT: .vbyte 4, 0
; CHECK64-NEXT: .vbyte 8, 0x408c200000000000
; CHECK-NEXT: .globl const_over_aligned
; CHECK-NEXT: .align 5
; CHECK-NEXT: const_over_aligned:
; CHECK32-NEXT: .vbyte 4, 1082925056
; CHECK32-NEXT: .vbyte 4, 0
; CHECK64-NEXT: .vbyte 8, 0x408c200000000000
; CHECK-NEXT: .globl const_chrarray
; CHECK-NEXT: const_chrarray:
; CHECK-NEXT: .byte 97
; CHECK-NEXT: .byte 98
; CHECK-NEXT: .byte 99
; CHECK-NEXT: .byte 100
; CHECK-NEXT: .globl const_dblarr
; CHECK-NEXT: .align 3
; CHECK-NEXT: const_dblarr:
; CHECK32-NEXT: .vbyte 4, 1072693248
; CHECK32-NEXT: .vbyte 4, 0
; CHECK64-NEXT: .vbyte 8, 0x3ff0000000000000
; CHECK32-NEXT: .vbyte 4, 1073741824
; CHECK32-NEXT: .vbyte 4, 0
; CHECK64-NEXT: .vbyte 8, 0x4000000000000000
; CHECK32-NEXT: .vbyte 4, 1074266112
; CHECK32-NEXT: .vbyte 4, 0
; CHECK64-NEXT: .vbyte 8, 0x4008000000000000
; CHECK32-NEXT: .vbyte 4, 1074790400
; CHECK32-NEXT: .vbyte 4, 0
; CHECK64-NEXT: .vbyte 8, 0x4010000000000000
; OBJ: File: {{.*}}aix-xcoff-rodata.ll.tmp.o
; OBJ-NEXT: Format: aixcoff-rs6000
; OBJ-NEXT: Arch: powerpc
; OBJ-NEXT: AddressSize: 32bit
; OBJ-NEXT: FileHeader {
; OBJ-NEXT: Magic: 0x1DF
; OBJ-NEXT: NumberOfSections: 1
; OBJ-NEXT: TimeStamp: None (0x0)
; OBJ-NEXT: SymbolTableOffset: 0x8C
; OBJ-NEXT: SymbolTableEntries: 20
; OBJ-NEXT: OptionalHeaderSize: 0x0
; OBJ-NEXT: Flags: 0x0
; OBJ-NEXT: }
; OBJ: Sections [
; OBJ: Section {
; OBJ-NEXT: Index: 1
; OBJ-NEXT: Name: .text
; OBJ-NEXT: PhysicalAddress: 0x0
; OBJ-NEXT: VirtualAddress: 0x0
; OBJ-NEXT: Size: 0x50
; OBJ-NEXT: RawDataOffset: 0x3C
; OBJ-NEXT: RelocationPointer: 0x0
; OBJ-NEXT: LineNumberPointer: 0x0
; OBJ-NEXT: NumberOfRelocations: 0
; OBJ-NEXT: NumberOfLineNumbers: 0
; OBJ-NEXT: Type: STYP_TEXT (0x20)
; OBJ-NEXT: }
; OBJ-NEXT: ]
; SYMS: File: {{.*}}aix-xcoff-rodata.ll.tmp.o
; SYMS-NEXT: Format: aixcoff-rs6000
; SYMS-NEXT: Arch: powerpc
; SYMS-NEXT: AddressSize: 32bit
; SYMS: Symbols [
; SYMS: Symbol {{[{][[:space:]] *}}Index: [[#INDX:]]{{[[:space:]] *}}Name: .rodata
; SYMS-NEXT: Value (RelocatableAddress): 0x0
; SYMS-NEXT: Section: .text
; SYMS-NEXT: Type: 0x0
; SYMS-NEXT: StorageClass: C_HIDEXT (0x6B)
; SYMS-NEXT: NumberOfAuxEntries: 1
; SYMS-NEXT: CSECT Auxiliary Entry {
; SYMS-NEXT: Index: [[#INDX+1]]
; SYMS-NEXT: SectionLen: 80
; SYMS-NEXT: ParameterHashIndex: 0x0
; SYMS-NEXT: TypeChkSectNum: 0x0
; SYMS-NEXT: SymbolAlignmentLog2: 5
; SYMS-NEXT: SymbolType: XTY_SD (0x1)
; SYMS-NEXT: StorageMappingClass: XMC_RO (0x1)
; SYMS-NEXT: StabInfoIndex: 0x0
; SYMS-NEXT: StabSectNum: 0x0
; SYMS-NEXT: }
; SYMS-NEXT: }
; SYMS: Symbol {
; SYMS-NEXT: Index: [[#INDX+2]]
; SYMS-NEXT: Name: const_ivar
; SYMS-NEXT: Value (RelocatableAddress): 0x0
; SYMS-NEXT: Section: .text
; SYMS-NEXT: Type: 0x0
; SYMS-NEXT: StorageClass: C_EXT (0x2)
; SYMS-NEXT: NumberOfAuxEntries: 1
; SYMS-NEXT: CSECT Auxiliary Entry {
; SYMS-NEXT: Index: [[#INDX+3]]
; SYMS-NEXT: ContainingCsectSymbolIndex: 2
; SYMS-NEXT: ParameterHashIndex: 0x0
; SYMS-NEXT: TypeChkSectNum: 0x0
; SYMS-NEXT: SymbolAlignmentLog2: 0
; SYMS-NEXT: SymbolType: XTY_LD (0x2)
; SYMS-NEXT: StorageMappingClass: XMC_RO (0x1)
; SYMS-NEXT: StabInfoIndex: 0x0
; SYMS-NEXT: StabSectNum: 0x0
; SYMS-NEXT: }
; SYMS-NEXT: }
; SYMS: Symbol {
; SYMS-NEXT: Index: [[#INDX+4]]
; SYMS-NEXT: Name: const_llvar
; SYMS-NEXT: Value (RelocatableAddress): 0x8
; SYMS-NEXT: Section: .text
; SYMS-NEXT: Type: 0x0
; SYMS-NEXT: StorageClass: C_EXT (0x2)
; SYMS-NEXT: NumberOfAuxEntries: 1
; SYMS-NEXT: CSECT Auxiliary Entry {
; SYMS-NEXT: Index: [[#INDX+5]]
; SYMS-NEXT: ContainingCsectSymbolIndex: 2
; SYMS-NEXT: ParameterHashIndex: 0x0
; SYMS-NEXT: TypeChkSectNum: 0x0
; SYMS-NEXT: SymbolAlignmentLog2: 0
; SYMS-NEXT: SymbolType: XTY_LD (0x2)
; SYMS-NEXT: StorageMappingClass: XMC_RO (0x1)
; SYMS-NEXT: StabInfoIndex: 0x0
; SYMS-NEXT: StabSectNum: 0x0
; SYMS-NEXT: }
; SYMS-NEXT: }
; SYMS: Symbol {
; SYMS-NEXT: Index: [[#INDX+6]]
; SYMS-NEXT: Name: const_svar
; SYMS-NEXT: Value (RelocatableAddress): 0x10
; SYMS-NEXT: Section: .text
; SYMS-NEXT: Type: 0x0
; SYMS-NEXT: StorageClass: C_EXT (0x2)
; SYMS-NEXT: NumberOfAuxEntries: 1
; SYMS-NEXT: CSECT Auxiliary Entry {
; SYMS-NEXT: Index: [[#INDX+7]]
; SYMS-NEXT: ContainingCsectSymbolIndex: 2
; SYMS-NEXT: ParameterHashIndex: 0x0
; SYMS-NEXT: TypeChkSectNum: 0x0
; SYMS-NEXT: SymbolAlignmentLog2: 0
; SYMS-NEXT: SymbolType: XTY_LD (0x2)
; SYMS-NEXT: StorageMappingClass: XMC_RO (0x1)
; SYMS-NEXT: StabInfoIndex: 0x0
; SYMS-NEXT: StabSectNum: 0x0
; SYMS-NEXT: }
; SYMS-NEXT: }
; SYMS: Symbol {
; SYMS-NEXT: Index: [[#INDX+8]]
; SYMS-NEXT: Name: const_fvar
; SYMS-NEXT: Value (RelocatableAddress): 0x14
; SYMS-NEXT: Section: .text
; SYMS-NEXT: Type: 0x0
; SYMS-NEXT: StorageClass: C_EXT (0x2)
; SYMS-NEXT: NumberOfAuxEntries: 1
; SYMS-NEXT: CSECT Auxiliary Entry {
; SYMS-NEXT: Index: [[#INDX+9]]
; SYMS-NEXT: ContainingCsectSymbolIndex: 2
; SYMS-NEXT: ParameterHashIndex: 0x0
; SYMS-NEXT: TypeChkSectNum: 0x0
; SYMS-NEXT: SymbolAlignmentLog2: 0
; SYMS-NEXT: SymbolType: XTY_LD (0x2)
; SYMS-NEXT: StorageMappingClass: XMC_RO (0x1)
; SYMS-NEXT: StabInfoIndex: 0x0
; SYMS-NEXT: StabSectNum: 0x0
; SYMS-NEXT: }
; SYMS-NEXT: }
; SYMS: Symbol {
; SYMS-NEXT: Index: [[#INDX+10]]
; SYMS-NEXT: Name: const_dvar
; SYMS-NEXT: Value (RelocatableAddress): 0x18
; SYMS-NEXT: Section: .text
; SYMS-NEXT: Type: 0x0
; SYMS-NEXT: StorageClass: C_EXT (0x2)
; SYMS-NEXT: NumberOfAuxEntries: 1
; SYMS-NEXT: CSECT Auxiliary Entry {
; SYMS-NEXT: Index: [[#INDX+11]]
; SYMS-NEXT: ContainingCsectSymbolIndex: 2
; SYMS-NEXT: ParameterHashIndex: 0x0
; SYMS-NEXT: TypeChkSectNum: 0x0
; SYMS-NEXT: SymbolAlignmentLog2: 0
; SYMS-NEXT: SymbolType: XTY_LD (0x2)
; SYMS-NEXT: StorageMappingClass: XMC_RO (0x1)
; SYMS-NEXT: StabInfoIndex: 0x0
; SYMS-NEXT: StabSectNum: 0x0
; SYMS-NEXT: }
; SYMS-NEXT: }
; SYMS: Symbol {
; SYMS-NEXT: Index: [[#INDX+12]]
; SYMS-NEXT: Name: const_over_aligned
; SYMS-NEXT: Value (RelocatableAddress): 0x20
; SYMS-NEXT: Section: .text
; SYMS-NEXT: Type: 0x0
; SYMS-NEXT: StorageClass: C_EXT (0x2)
; SYMS-NEXT: NumberOfAuxEntries: 1
; SYMS-NEXT: CSECT Auxiliary Entry {
; SYMS-NEXT: Index: [[#INDX+13]]
; SYMS-NEXT: ContainingCsectSymbolIndex: 2
; SYMS-NEXT: ParameterHashIndex: 0x0
; SYMS-NEXT: TypeChkSectNum: 0x0
; SYMS-NEXT: SymbolAlignmentLog2: 0
; SYMS-NEXT: SymbolType: XTY_LD (0x2)
; SYMS-NEXT: StorageMappingClass: XMC_RO (0x1)
; SYMS-NEXT: StabInfoIndex: 0x0
; SYMS-NEXT: StabSectNum: 0x0
; SYMS-NEXT: }
; SYMS-NEXT: }
; SYMS: Symbol {
; SYMS-NEXT: Index: [[#INDX+14]]
; SYMS-NEXT: Name: const_chrarray
; SYMS-NEXT: Value (RelocatableAddress): 0x28
; SYMS-NEXT: Section: .text
; SYMS-NEXT: Type: 0x0
; SYMS-NEXT: StorageClass: C_EXT (0x2)
; SYMS-NEXT: NumberOfAuxEntries: 1
; SYMS-NEXT: CSECT Auxiliary Entry {
; SYMS-NEXT: Index: [[#INDX+15]]
; SYMS-NEXT: ContainingCsectSymbolIndex: 2
; SYMS-NEXT: ParameterHashIndex: 0x0
; SYMS-NEXT: TypeChkSectNum: 0x0
; SYMS-NEXT: SymbolAlignmentLog2: 0
; SYMS-NEXT: SymbolType: XTY_LD (0x2)
; SYMS-NEXT: StorageMappingClass: XMC_RO (0x1)
; SYMS-NEXT: StabInfoIndex: 0x0
; SYMS-NEXT: StabSectNum: 0x0
; SYMS-NEXT: }
; SYMS-NEXT: }
; SYMS: Symbol {
; SYMS-NEXT: Index: [[#INDX+16]]
; SYMS-NEXT: Name: const_dblarr
; SYMS-NEXT: Value (RelocatableAddress): 0x30
; SYMS-NEXT: Section: .text
; SYMS-NEXT: Type: 0x0
; SYMS-NEXT: StorageClass: C_EXT (0x2)
; SYMS-NEXT: NumberOfAuxEntries: 1
; SYMS-NEXT: CSECT Auxiliary Entry {
; SYMS-NEXT: Index: [[#INDX+17]]
; SYMS-NEXT: ContainingCsectSymbolIndex: 2
; SYMS-NEXT: ParameterHashIndex: 0x0
; SYMS-NEXT: TypeChkSectNum: 0x0
; SYMS-NEXT: SymbolAlignmentLog2: 0
; SYMS-NEXT: SymbolType: XTY_LD (0x2)
; SYMS-NEXT: StorageMappingClass: XMC_RO (0x1)
; SYMS-NEXT: StabInfoIndex: 0x0
; SYMS-NEXT: StabSectNum: 0x0
; SYMS-NEXT: }
; SYMS-NEXT: }
; SYMS: ]
; DIS: Disassembly of section .text:
; DIS: 00000000 <const_ivar>:
; DIS-NEXT: 0: 00 00 00 23
; DIS-NEXT: 4: 00 00 00 00
; DIS: 00000008 <const_llvar>:
; DIS-NEXT: 8: 00 00 00 00
; DIS-NEXT: c: 00 00 00 24
; DIS: 00000010 <const_svar>:
; DIS-NEXT: 10: 00 25 00 00
; DIS: 00000014 <const_fvar>:
; DIS-NEXT: 14: 44 48 00 00
; DIS: 00000018 <const_dvar>:
; DIS-NEXT: 18: 40 8c 20 00
; DIS-NEXT: 1c: 00 00 00 00
; DIS: 00000020 <const_over_aligned>:
; DIS-NEXT: 20: 40 8c 20 00
; DIS-NEXT: 24: 00 00 00 00
; DIS: 00000028 <const_chrarray>:
; DIS-NEXT: 28: 61 62 63 64
; DIS-NEXT: 2c: 00 00 00 00
; DIS: 00000030 <const_dblarr>:
; DIS-NEXT: 30: 3f f0 00 00
; DIS-NEXT: 34: 00 00 00 00
; DIS-NEXT: 38: 40 00 00 00
; DIS-NEXT: 3c: 00 00 00 00
; DIS-NEXT: 40: 40 08 00 00
; DIS-NEXT: 44: 00 00 00 00
; DIS-NEXT: 48: 40 10 00 00
; DIS-NEXT: 4c: 00 00 00 00
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