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llvm-mirror/test/CodeGen/PowerPC/aix-extern-weak.ll
jasonliu 621386835e [XCOFF][AIX] Use 'L..' instead of 'L' for PrivateGlobalPrefix 
Without this change, names start with 'L' will get created as
temporary symbol in MCContext::createSymbol.

Some other potential prefix considered:
.L, does not work for AIX, as a function start with L will end
up with .L as prefix for its function entry point.

..L could work, but it does not play well with the convention
on AIX that anything start with '.' are considered as entry point.

L. could work, but not sure if it's safe enough, as it's possible
to have suffixes like .something append to a plain L, giving L.something
which is not necessarily a temporary.

That's why we picked L.. for now.

Differential Revision: https://reviews.llvm.org/D80831
2020-06-03 17:18:11 +00:00

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; RUN: llc -verify-machineinstrs -mtriple powerpc-ibm-aix-xcoff -mcpu=pwr4 \
; RUN: -mattr=-altivec < %s | FileCheck --check-prefixes=COMMON,BIT32 %s
; RUN: llc -verify-machineinstrs -mtriple powerpc64-ibm-aix-xcoff -mcpu=pwr4 \
; RUN: -mattr=-altivec < %s | FileCheck --check-prefixes=COMMON,BIT64 %s
; RUN: llc -verify-machineinstrs -mtriple powerpc-ibm-aix-xcoff -mcpu=pwr4 \
; RUN: -mattr=-altivec < %s | FileCheck %s
; RUN: llc -verify-machineinstrs -mtriple powerpc-ibm-aix-xcoff -mcpu=pwr4 \
; RUN: -mattr=-altivec -filetype=obj -o %t.o < %s
; RUN: llvm-readobj --symbols %t.o | FileCheck --check-prefix=CHECKSYM %s
; RUN: not --crash llc -verify-machineinstrs -mcpu=pwr4 -mtriple powerpc64-ibm-aix-xcoff \
; RUN: -mattr=-altivec -filetype=obj -o %t.o 2>&1 < %s | FileCheck --check-prefix=XCOFF64 %s
; XCOFF64: LLVM ERROR: 64-bit XCOFF object files are not supported yet.
@foo_ext_weak_p = global void (...)* bitcast (void ()* @foo_ext_weak_ref to void (...)*)
@b_w = extern_weak global i32
declare extern_weak void @foo_ext_weak_ref()
define i32 @main() {
entry:
%0 = load void (...)*, void (...)** @foo_ext_weak_p
%callee.knr.cast = bitcast void (...)* %0 to void ()*
call void %callee.knr.cast()
call void @foo_ext_weak(i32* @b_w)
ret i32 0
}
declare extern_weak void @foo_ext_weak(i32*)
; COMMON: .globl main[DS] # -- Begin function main
; COMMON-NEXT: .globl .main
; COMMON-NEXT: .align 4
; COMMON-NEXT: .csect main[DS]
; BIT32-NEXT: .vbyte 4, .main # @main
; BIT32-NEXT: .vbyte 4, TOC[TC0]
; BIT32-NEXT: .vbyte 4, 0
; BIT64-NEXT: .vbyte 8, .main # @main
; BIT64-NEXT: .vbyte 8, TOC[TC0]
; BIT64-NEXT: .vbyte 8, 0
; COMMON-NEXT: .csect .text[PR]
; COMMON-NEXT: .main:
; COMMON: .csect .data[RW]
; COMMON: .globl foo_ext_weak_p
; BIT32-NEXT: .align 2
; BIT64-NEXT: .align 3
; COMMON-NEXT: foo_ext_weak_p:
; BIT32-NEXT: .vbyte 4, foo_ext_weak_ref[DS]
; BIT64-NEXT: .vbyte 8, foo_ext_weak_ref[DS]
; COMMON-NEXT: .weak b_w[UA]
; COMMON-NEXT: .weak foo_ext_weak_ref[DS]
; COMMON-NEXT: .weak .foo_ext_weak
; COMMON-NEXT: .weak foo_ext_weak[DS]
; COMMON-NEXT: .toc
; COMMON-NEXT: L..C0:
; COMMON-NEXT: .tc foo_ext_weak_p[TC],foo_ext_weak_p
; COMMON-NEXT: L..C1:
; COMMON-NEXT: .tc b_w[TC],b_w[UA]
; CHECK-NOT: .weak .foo_ext_weak_ref
; CHECKSYM: Symbols [
; CHECKSYM-NEXT: Symbol {
; CHECKSYM-NEXT: Index: [[#Index:]]
; CHECKSYM-NEXT: Name: .foo_ext_weak
; CHECKSYM-NEXT: Value (RelocatableAddress): 0x0
; CHECKSYM-NEXT: Section: N_UNDEF
; CHECKSYM-NEXT: Type: 0x0
; CHECKSYM-NEXT: StorageClass: C_WEAKEXT (0x6F)
; CHECKSYM-NEXT: NumberOfAuxEntries: 1
; CHECKSYM-NEXT: CSECT Auxiliary Entry {
; CHECKSYM-NEXT: Index: [[#Index+1]]
; CHECKSYM-NEXT: SectionLen: 0
; CHECKSYM-NEXT: ParameterHashIndex: 0x0
; CHECKSYM-NEXT: TypeChkSectNum: 0x0
; CHECKSYM-NEXT: SymbolAlignmentLog2: 0
; CHECKSYM-NEXT: SymbolType: XTY_ER (0x0)
; CHECKSYM-NEXT: StorageMappingClass: XMC_PR (0x0)
; CHECKSYM-NEXT: StabInfoIndex: 0x0
; CHECKSYM-NEXT: StabSectNum: 0x0
; CHECKSYM-NEXT: }
; CHECKSYM-NEXT: }
; CHECKSYM-NEXT: Symbol {
; CHECKSYM-NEXT: Index: [[#Index+2]]
; CHECKSYM-NEXT: Name: foo_ext_weak_ref
; CHECKSYM-NEXT: Value (RelocatableAddress): 0x0
; CHECKSYM-NEXT: Section: N_UNDEF
; CHECKSYM-NEXT: Type: 0x0
; CHECKSYM-NEXT: StorageClass: C_WEAKEXT (0x6F)
; CHECKSYM-NEXT: NumberOfAuxEntries: 1
; CHECKSYM-NEXT: CSECT Auxiliary Entry {
; CHECKSYM-NEXT: Index: [[#Index+3]]
; CHECKSYM-NEXT: SectionLen: 0
; CHECKSYM-NEXT: ParameterHashIndex: 0x0
; CHECKSYM-NEXT: TypeChkSectNum: 0x0
; CHECKSYM-NEXT: SymbolAlignmentLog2: 0
; CHECKSYM-NEXT: SymbolType: XTY_ER (0x0)
; CHECKSYM-NEXT: StorageMappingClass: XMC_DS (0xA)
; CHECKSYM-NEXT: StabInfoIndex: 0x0
; CHECKSYM-NEXT: StabSectNum: 0x0
; CHECKSYM-NEXT: }
; CHECKSYM-NEXT: }
; CHECKSYM-NEXT: Symbol {
; CHECKSYM-NEXT: Index: [[#Index+4]]
; CHECKSYM-NEXT: Name: b_w
; CHECKSYM-NEXT: Value (RelocatableAddress): 0x0
; CHECKSYM-NEXT: Section: N_UNDEF
; CHECKSYM-NEXT: Type: 0x0
; CHECKSYM-NEXT: StorageClass: C_WEAKEXT (0x6F)
; CHECKSYM-NEXT: NumberOfAuxEntries: 1
; CHECKSYM-NEXT: CSECT Auxiliary Entry {
; CHECKSYM-NEXT: Index: [[#Index+5]]
; CHECKSYM-NEXT: SectionLen: 0
; CHECKSYM-NEXT: ParameterHashIndex: 0x0
; CHECKSYM-NEXT: TypeChkSectNum: 0x0
; CHECKSYM-NEXT: SymbolAlignmentLog2: 0
; CHECKSYM-NEXT: SymbolType: XTY_ER (0x0)
; CHECKSYM-NEXT: StorageMappingClass: XMC_UA (0x4)
; CHECKSYM-NEXT: StabInfoIndex: 0x0
; CHECKSYM-NEXT: StabSectNum: 0x0
; CHECKSYM-NEXT: }
; CHECKSYM-NEXT: }
; CHECKSYM-NEXT: Symbol {
; CHECKSYM-NEXT: Index: [[#Index+6]]
; CHECKSYM-NEXT: Name: foo_ext_weak
; CHECKSYM-NEXT: Value (RelocatableAddress): 0x0
; CHECKSYM-NEXT: Section: N_UNDEF
; CHECKSYM-NEXT: Type: 0x0
; CHECKSYM-NEXT: StorageClass: C_WEAKEXT (0x6F)
; CHECKSYM-NEXT: NumberOfAuxEntries: 1
; CHECKSYM-NEXT: CSECT Auxiliary Entry {
; CHECKSYM-NEXT: Index: [[#Index+7]]
; CHECKSYM-NEXT: SectionLen: 0
; CHECKSYM-NEXT: ParameterHashIndex: 0x0
; CHECKSYM-NEXT: TypeChkSectNum: 0x0
; CHECKSYM-NEXT: SymbolAlignmentLog2: 0
; CHECKSYM-NEXT: SymbolType: XTY_ER (0x0)
; CHECKSYM-NEXT: StorageMappingClass: XMC_DS (0xA)
; CHECKSYM-NEXT: StabInfoIndex: 0x0
; CHECKSYM-NEXT: StabSectNum: 0x0
; CHECKSYM-NEXT: }
; CHECKSYM-NEXT: }
; CHECKSYM-NEXT: Symbol {
; CHECKSYM-NEXT: Index: [[#Index+8]]
; CHECKSYM-NEXT: Name: .text
; CHECKSYM-NEXT: Value (RelocatableAddress): 0x0
; CHECKSYM-NEXT: Section: .text
; CHECKSYM-NEXT: Type: 0x0
; CHECKSYM-NEXT: StorageClass: C_HIDEXT (0x6B)
; CHECKSYM-NEXT: NumberOfAuxEntries: 1
; CHECKSYM-NEXT: CSECT Auxiliary Entry {
; CHECKSYM-NEXT: Index: [[#Index+9]]
; CHECKSYM-NEXT: SectionLen: 80
; CHECKSYM-NEXT: ParameterHashIndex: 0x0
; CHECKSYM-NEXT: TypeChkSectNum: 0x0
; CHECKSYM-NEXT: SymbolAlignmentLog2: 4
; CHECKSYM-NEXT: SymbolType: XTY_SD (0x1)
; CHECKSYM-NEXT: StorageMappingClass: XMC_PR (0x0)
; CHECKSYM-NEXT: StabInfoIndex: 0x0
; CHECKSYM-NEXT: StabSectNum: 0x0
; CHECKSYM-NEXT: }
; CHECKSYM-NEXT: }
; CHECKSYM-NEXT: Symbol {
; CHECKSYM-NEXT: Index: [[#Index+10]]
; CHECKSYM-NEXT: Name: .main
; CHECKSYM-NEXT: Value (RelocatableAddress): 0x0
; CHECKSYM-NEXT: Section: .text
; CHECKSYM-NEXT: Type: 0x0
; CHECKSYM-NEXT: StorageClass: C_EXT (0x2)
; CHECKSYM-NEXT: NumberOfAuxEntries: 1
; CHECKSYM-NEXT: CSECT Auxiliary Entry {
; CHECKSYM-NEXT: Index: [[#Index+11]]
; CHECKSYM-NEXT: ContainingCsectSymbolIndex: [[#Index+8]]
; CHECKSYM-NEXT: ParameterHashIndex: 0x0
; CHECKSYM-NEXT: TypeChkSectNum: 0x0
; CHECKSYM-NEXT: SymbolAlignmentLog2: 0
; CHECKSYM-NEXT: SymbolType: XTY_LD (0x2)
; CHECKSYM-NEXT: StorageMappingClass: XMC_PR (0x0)
; CHECKSYM-NEXT: StabInfoIndex: 0x0
; CHECKSYM-NEXT: StabSectNum: 0x0
; CHECKSYM-NEXT: }
; CHECKSYM-NEXT: }
; CHECKSYM-NEXT: Symbol {
; CHECKSYM-NEXT: Index: [[#Index+12]]
; CHECKSYM-NEXT: Name: .data
; CHECKSYM-NEXT: Value (RelocatableAddress): 0x50
; CHECKSYM-NEXT: Section: .data
; CHECKSYM-NEXT: Type: 0x0
; CHECKSYM-NEXT: StorageClass: C_HIDEXT (0x6B)
; CHECKSYM-NEXT: NumberOfAuxEntries: 1
; CHECKSYM-NEXT: CSECT Auxiliary Entry {
; CHECKSYM-NEXT: Index: [[#Index+13]]
; CHECKSYM-NEXT: SectionLen: 4
; CHECKSYM-NEXT: ParameterHashIndex: 0x0
; CHECKSYM-NEXT: TypeChkSectNum: 0x0
; CHECKSYM-NEXT: SymbolAlignmentLog2: 2
; CHECKSYM-NEXT: SymbolType: XTY_SD (0x1)
; CHECKSYM-NEXT: StorageMappingClass: XMC_RW (0x5)
; CHECKSYM-NEXT: StabInfoIndex: 0x0
; CHECKSYM-NEXT: StabSectNum: 0x0
; CHECKSYM-NEXT: }
; CHECKSYM-NEXT: }
; CHECKSYM-NEXT: Symbol {
; CHECKSYM-NEXT: Index: [[#Index+14]]
; CHECKSYM-NEXT: Name: foo_ext_weak_p
; CHECKSYM-NEXT: Value (RelocatableAddress): 0x50
; CHECKSYM-NEXT: Section: .data
; CHECKSYM-NEXT: Type: 0x0
; CHECKSYM-NEXT: StorageClass: C_EXT (0x2)
; CHECKSYM-NEXT: NumberOfAuxEntries: 1
; CHECKSYM-NEXT: CSECT Auxiliary Entry {
; CHECKSYM-NEXT: Index: [[#Index+15]]
; CHECKSYM-NEXT: ContainingCsectSymbolIndex: [[#Index+12]]
; CHECKSYM-NEXT: ParameterHashIndex: 0x0
; CHECKSYM-NEXT: TypeChkSectNum: 0x0
; CHECKSYM-NEXT: SymbolAlignmentLog2: 0
; CHECKSYM-NEXT: SymbolType: XTY_LD (0x2)
; CHECKSYM-NEXT: StorageMappingClass: XMC_RW (0x5)
; CHECKSYM-NEXT: StabInfoIndex: 0x0
; CHECKSYM-NEXT: StabSectNum: 0x0
; CHECKSYM-NEXT: }
; CHECKSYM-NEXT: }
; CHECKSYM-NEXT: Symbol {
; CHECKSYM-NEXT: Index: [[#Index+16]]
; CHECKSYM-NEXT: Name: main
; CHECKSYM-NEXT: Value (RelocatableAddress): 0x54
; CHECKSYM-NEXT: Section: .data
; CHECKSYM-NEXT: Type: 0x0
; CHECKSYM-NEXT: StorageClass: C_EXT (0x2)
; CHECKSYM-NEXT: NumberOfAuxEntries: 1
; CHECKSYM-NEXT: CSECT Auxiliary Entry {
; CHECKSYM-NEXT: Index: [[#Index+17]]
; CHECKSYM-NEXT: SectionLen: 12
; CHECKSYM-NEXT: ParameterHashIndex: 0x0
; CHECKSYM-NEXT: TypeChkSectNum: 0x0
; CHECKSYM-NEXT: SymbolAlignmentLog2: 2
; CHECKSYM-NEXT: SymbolType: XTY_SD (0x1)
; CHECKSYM-NEXT: StorageMappingClass: XMC_DS (0xA)
; CHECKSYM-NEXT: StabInfoIndex: 0x0
; CHECKSYM-NEXT: StabSectNum: 0x0
; CHECKSYM-NEXT: }
; CHECKSYM-NEXT: }
; CHECKSYM-NEXT: Symbol {
; CHECKSYM-NEXT: Index: [[#Index+18]]
; CHECKSYM-NEXT: Name: TOC
; CHECKSYM-NEXT: Value (RelocatableAddress): 0x60
; CHECKSYM-NEXT: Section: .data
; CHECKSYM-NEXT: Type: 0x0
; CHECKSYM-NEXT: StorageClass: C_HIDEXT (0x6B)
; CHECKSYM-NEXT: NumberOfAuxEntries: 1
; CHECKSYM-NEXT: CSECT Auxiliary Entry {
; CHECKSYM-NEXT: Index: [[#Index+19]]
; CHECKSYM-NEXT: SectionLen: 0
; CHECKSYM-NEXT: ParameterHashIndex: 0x0
; CHECKSYM-NEXT: TypeChkSectNum: 0x0
; CHECKSYM-NEXT: SymbolAlignmentLog2: 2
; CHECKSYM-NEXT: SymbolType: XTY_SD (0x1)
; CHECKSYM-NEXT: StorageMappingClass: XMC_TC0 (0xF)
; CHECKSYM-NEXT: StabInfoIndex: 0x0
; CHECKSYM-NEXT: StabSectNum: 0x0
; CHECKSYM-NEXT: }
; CHECKSYM-NEXT: }
; CHECKSYM-NEXT: Symbol {
; CHECKSYM-NEXT: Index: [[#Index+20]]
; CHECKSYM-NEXT: Name: foo_ext_weak_p
; CHECKSYM-NEXT: Value (RelocatableAddress): 0x60
; CHECKSYM-NEXT: Section: .data
; CHECKSYM-NEXT: Type: 0x0
; CHECKSYM-NEXT: StorageClass: C_HIDEXT (0x6B)
; CHECKSYM-NEXT: NumberOfAuxEntries: 1
; CHECKSYM-NEXT: CSECT Auxiliary Entry {
; CHECKSYM-NEXT: Index: [[#Index+21]]
; CHECKSYM-NEXT: SectionLen: 4
; CHECKSYM-NEXT: ParameterHashIndex: 0x0
; CHECKSYM-NEXT: TypeChkSectNum: 0x0
; CHECKSYM-NEXT: SymbolAlignmentLog2: 2
; CHECKSYM-NEXT: SymbolType: XTY_SD (0x1)
; CHECKSYM-NEXT: StorageMappingClass: XMC_TC (0x3)
; CHECKSYM-NEXT: StabInfoIndex: 0x0
; CHECKSYM-NEXT: StabSectNum: 0x0
; CHECKSYM-NEXT: }
; CHECKSYM-NEXT: }
; CHECKSYM-NEXT: Symbol {
; CHECKSYM-NEXT: Index: [[#Index+22]]
; CHECKSYM-NEXT: Name: b_w
; CHECKSYM-NEXT: Value (RelocatableAddress): 0x64
; CHECKSYM-NEXT: Section: .data
; CHECKSYM-NEXT: Type: 0x0
; CHECKSYM-NEXT: StorageClass: C_HIDEXT (0x6B)
; CHECKSYM-NEXT: NumberOfAuxEntries: 1
; CHECKSYM-NEXT: CSECT Auxiliary Entry {
; CHECKSYM-NEXT: Index: [[#Index+23]]
; CHECKSYM-NEXT: SectionLen: 4
; CHECKSYM-NEXT: ParameterHashIndex: 0x0
; CHECKSYM-NEXT: TypeChkSectNum: 0x0
; CHECKSYM-NEXT: SymbolAlignmentLog2: 2
; CHECKSYM-NEXT: SymbolType: XTY_SD (0x1)
; CHECKSYM-NEXT: StorageMappingClass: XMC_TC (0x3)
; CHECKSYM-NEXT: StabInfoIndex: 0x0
; CHECKSYM-NEXT: StabSectNum: 0x0
; CHECKSYM-NEXT: }
; CHECKSYM-NEXT: }
; CHECKSYM-NEXT: ]
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