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llvm-mirror/test/CodeGen/PowerPC/aix-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 -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_weak_p = global void (...)* bitcast (void ()* @foo_ref_weak to void (...)*), align 4
@b = weak global i32 0, align 4
define weak void @foo_weak(i32* %p) {
entry:
%p.addr = alloca i32*, align 4
store i32* %p, i32** %p.addr, align 4
%0 = load i32*, i32** %p.addr, align 4
%1 = load i32, i32* %0, align 4
%inc = add nsw i32 %1, 1
store i32 %inc, i32* %0, align 4
ret void
}
define weak void @foo_ref_weak() {
entry:
ret void
}
define i32 @main() {
entry:
%0 = load void (...)*, void (...)** @foo_weak_p, align 4
%callee.knr.cast = bitcast void (...)* %0 to void ()*
call void %callee.knr.cast()
call void @foo_weak(i32* @b)
call void @foo_ref_weak()
ret i32 0
}
; COMMON: .weak foo_weak[DS] # -- Begin function foo_weak
; COMMON-NEXT: .weak .foo_weak
; COMMON-NEXT: .align 4
; COMMON-NEXT: .csect foo_weak[DS]
; BIT32-NEXT: .vbyte 4, .foo_weak # @foo_weak
; BIT32-NEXT: .vbyte 4, TOC[TC0]
; BIT32-NEXT: .vbyte 4, 0
; BIT64-NEXT: .vbyte 8, .foo_weak # @foo_weak
; BIT64-NEXT: .vbyte 8, TOC[TC0]
; BIT64-NEXT: .vbyte 8, 0
; COMMON-NEXT: .csect .text[PR]
; COMMON-NEXT: .foo_weak:
; COMMON: .weak foo_ref_weak[DS] # -- Begin function foo_ref_weak
; COMMON-NEXT: .weak .foo_ref_weak
; COMMON-NEXT: .align 4
; COMMON-NEXT: .csect foo_ref_weak[DS]
; BIT32-NEXT: .vbyte 4, .foo_ref_weak # @foo_ref_weak
; BIT32-NEXT: .vbyte 4, TOC[TC0]
; BIT32-NEXT: .vbyte 4, 0
; BIT64-NEXT: .vbyte 8, .foo_ref_weak # @foo_ref_weak
; BIT64-NEXT: .vbyte 8, TOC[TC0]
; BIT64-NEXT: .vbyte 8, 0
; COMMON-NEXT: .csect .text[PR]
; COMMON-NEXT: .foo_ref_weak:
; 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-NEXT: .globl foo_weak_p
; BIT32-NEXT: .align 2
; BIT64-NEXT: .align 3
; COMMON-NEXT: foo_weak_p:
; BIT32-NEXT: .vbyte 4, foo_ref_weak[DS]
; BIT64-NEXT: .vbyte 8, foo_ref_weak[DS]
; COMMON-NEXT: .weak b
; COMMON-NEXT: .align 2
; COMMON-NEXT: b:
; COMMON-NEXT: .vbyte 4, 0 # 0x0
; COMMON-NEXT: .toc
; COMMON-NEXT: L..C0:
; COMMON-NEXT: .tc foo_weak_p[TC],foo_weak_p
; COMMON-NEXT: L..C1:
; COMMON-NEXT: .tc b[TC],b
; CHECKSYM: Symbols [
; CHECKSYM-NEXT: Symbol {
; CHECKSYM-NEXT: Index: [[#Index:]]
; 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+1]]
; CHECKSYM-NEXT: SectionLen: 136
; 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+2]]
; CHECKSYM-NEXT: Name: .foo_weak
; CHECKSYM-NEXT: Value (RelocatableAddress): 0x0
; CHECKSYM-NEXT: Section: .text
; 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: ContainingCsectSymbolIndex: [[#Index]]
; 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+4]]
; CHECKSYM-NEXT: Name: .foo_ref_weak
; CHECKSYM-NEXT: Value (RelocatableAddress): 0x20
; CHECKSYM-NEXT: Section: .text
; 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: ContainingCsectSymbolIndex: [[#Index]]
; 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+6]]
; CHECKSYM-NEXT: Name: .main
; CHECKSYM-NEXT: Value (RelocatableAddress): 0x30
; 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+7]]
; CHECKSYM-NEXT: ContainingCsectSymbolIndex: [[#Index]]
; 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+8]]
; CHECKSYM-NEXT: Name: .data
; CHECKSYM-NEXT: Value (RelocatableAddress): 0x88
; 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+9]]
; CHECKSYM-NEXT: SectionLen: 8
; 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+10]]
; CHECKSYM-NEXT: Name: foo_weak_p
; CHECKSYM-NEXT: Value (RelocatableAddress): 0x88
; 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+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_RW (0x5)
; CHECKSYM-NEXT: StabInfoIndex: 0x0
; CHECKSYM-NEXT: StabSectNum: 0x0
; CHECKSYM-NEXT: }
; CHECKSYM-NEXT: }
; CHECKSYM-NEXT: Symbol {
; CHECKSYM-NEXT: Index: [[#Index+12]]
; CHECKSYM-NEXT: Name: b
; CHECKSYM-NEXT: Value (RelocatableAddress): 0x8C
; CHECKSYM-NEXT: Section: .data
; CHECKSYM-NEXT: Type: 0x0
; CHECKSYM-NEXT: StorageClass: C_WEAKEXT (0x6F)
; CHECKSYM-NEXT: NumberOfAuxEntries: 1
; CHECKSYM-NEXT: CSECT Auxiliary Entry {
; CHECKSYM-NEXT: Index: [[#Index+13]]
; 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_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_weak
; CHECKSYM-NEXT: Value (RelocatableAddress): 0x90
; CHECKSYM-NEXT: Section: .data
; CHECKSYM-NEXT: Type: 0x0
; CHECKSYM-NEXT: StorageClass: C_WEAKEXT (0x6F)
; CHECKSYM-NEXT: NumberOfAuxEntries: 1
; CHECKSYM-NEXT: CSECT Auxiliary Entry {
; CHECKSYM-NEXT: Index: [[#Index+15]]
; 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+16]]
; CHECKSYM-NEXT: Name: foo_ref_weak
; CHECKSYM-NEXT: Value (RelocatableAddress): 0x9C
; CHECKSYM-NEXT: Section: .data
; CHECKSYM-NEXT: Type: 0x0
; CHECKSYM-NEXT: StorageClass: C_WEAKEXT (0x6F)
; 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: main
; CHECKSYM-NEXT: Value (RelocatableAddress): 0xA8
; 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+19]]
; 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+20]]
; CHECKSYM-NEXT: Name: TOC
; CHECKSYM-NEXT: Value (RelocatableAddress): 0xB4
; 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: 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+22]]
; CHECKSYM-NEXT: Name: foo_weak_p
; CHECKSYM-NEXT: Value (RelocatableAddress): 0xB4
; 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: Symbol {
; CHECKSYM-NEXT: Index: [[#Index+24]]
; CHECKSYM-NEXT: Name: b
; CHECKSYM-NEXT: Value (RelocatableAddress): 0xB8
; 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+25]]
; 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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