maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity
llvm-project/lld/test/COFF/icf-xdata.s

Ignoring revisions in .git-blame-ignore-revs. Click here to bypass and see the normal blame view.

100 lines
2.6 KiB
ArmAsm
Raw Normal View History

[lld] Add REQUIRES: x86 where needed to tests If building lld without x86 support, tests that require that support should be treated as unsupported, not errors. Tested using: 1. cmake '-DLLVM_TARGETS_TO_BUILD=AArch64;X86' make check-lld => Expected Passes : 1406 Unsupported Tests : 287 2. cmake '-DLLVM_TARGETS_TO_BUILD=AArch64' make check-lld => Expected Passes : 410 Unsupported Tests : 1283 Patch by Joel Jones Differential Revision: https://reviews.llvm.org/D47748 llvm-svn: 334095
2018-06-06 21:56:51 +08:00
# REQUIRES: x86
All .xdata sections are eligble for ICF Summary: Many small functions have identical unwind info because they push the same sets of CSRs in the same order and have the same stack and prologue size. The VC linker merges duplicate .xdata, and so should LLD. This reduces the .xdata section size of clang.exe from 1.8MB to 94KB. Reviewers: pcc, ruiu Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D40160 llvm-svn: 318547
2017-11-18 03:50:10 +08:00
# RUN: llvm-mc %s -triple x86_64-windows-msvc -filetype=obj -o %t.obj
COFF: Merge .xdata into .rdata by default. Differential Revision: https://reviews.llvm.org/D45804 llvm-svn: 330484
2018-04-21 05:32:37 +08:00
# RUN: lld-link %t.obj -dll -noentry -out:%t.dll -merge:.xdata=.xdata 2>&1 \
# RUN: | FileCheck %s --check-prefix=WARN
[test] Change llvm-readobj -long-option to --long-option or well-known short options. NFC Also change some options that have different semantics (cause confusion) in llvm-readelf mode: -s => -S -t => --symbols -sd => --section-data llvm-svn: 359651
2019-05-01 13:49:01 +08:00
# RUN: llvm-readobj --sections %t.dll | FileCheck %s --check-prefix=XDATA
All .xdata sections are eligble for ICF Summary: Many small functions have identical unwind info because they push the same sets of CSRs in the same order and have the same stack and prologue size. The VC linker merges duplicate .xdata, and so should LLD. This reduces the .xdata section size of clang.exe from 1.8MB to 94KB. Reviewers: pcc, ruiu Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D40160 llvm-svn: 318547
2017-11-18 03:50:10 +08:00
# RUN: lld-link %t.obj -dll -noentry -out:%t.dll
[test] Change llvm-readobj -long-option to --long-option or well-known short options. NFC Also change some options that have different semantics (cause confusion) in llvm-readelf mode: -s => -S -t => --symbols -sd => --section-data llvm-svn: 359651
2019-05-01 13:49:01 +08:00
# RUN: llvm-readobj --sections %t.dll | FileCheck %s --check-prefix=RDATA
All .xdata sections are eligble for ICF Summary: Many small functions have identical unwind info because they push the same sets of CSRs in the same order and have the same stack and prologue size. The VC linker merges duplicate .xdata, and so should LLD. This reduces the .xdata section size of clang.exe from 1.8MB to 94KB. Reviewers: pcc, ruiu Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D40160 llvm-svn: 318547
2017-11-18 03:50:10 +08:00
# There shouldn't be much xdata, because all three .pdata entries (12 bytes
# each) should use the same .xdata unwind info.
COFF: Merge .xdata into .rdata by default. Differential Revision: https://reviews.llvm.org/D45804 llvm-svn: 330484
2018-04-21 05:32:37 +08:00
# XDATA: Name: .rdata
# XDATA-NEXT: VirtualSize: 0x73
# XDATA: Name: .pdata
# XDATA-NEXT: VirtualSize: 0x24
# XDATA: Name: .xdata
# XDATA-NEXT: VirtualSize: 0x8
#
# WARN: warning: .xdata=.rdata: already merged into .xdata
#
# RDATA: Name: .rdata
# RDATA-NEXT: VirtualSize: 0x7C
# RDATA: Name: .pdata
# RDATA-NEXT: VirtualSize: 0x24
All .xdata sections are eligble for ICF Summary: Many small functions have identical unwind info because they push the same sets of CSRs in the same order and have the same stack and prologue size. The VC linker merges duplicate .xdata, and so should LLD. This reduces the .xdata section size of clang.exe from 1.8MB to 94KB. Reviewers: pcc, ruiu Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D40160 llvm-svn: 318547
2017-11-18 03:50:10 +08:00
.text
callee:
ret
.def xdata1;
.scl 2;
.type 32;
.endef
.section .text,"xr",one_only,xdata1
.globl xdata1 # -- Begin function xdata1
.p2align 4, 0x90
xdata1: # @xdata1
.seh_proc xdata1
# BB#0: # %entry
subq $40, %rsp
.seh_stackalloc 40
.seh_endprologue
callq callee
nop
addq $40, %rsp
jmp callee # TAILCALL
.seh_handlerdata
.section .text,"xr",one_only,xdata1
.seh_endproc
# -- End function
.def xdata2;
.scl 2;
.type 32;
.endef
.section .text,"xr",one_only,xdata2
.globl xdata2 # -- Begin function xdata2
.p2align 4, 0x90
xdata2: # @xdata2
.seh_proc xdata2
# BB#0: # %entry
subq $40, %rsp
.seh_stackalloc 40
.seh_endprologue
callq callee
callq callee
nop
addq $40, %rsp
jmp callee # TAILCALL
.seh_handlerdata
.section .text,"xr",one_only,xdata2
.seh_endproc
# -- End function
.def xdata3;
.scl 2;
.type 32;
.endef
.section .text,"xr",one_only,xdata3
.globl xdata3 # -- Begin function xdata3
.p2align 4, 0x90
xdata3: # @xdata3
.seh_proc xdata3
# BB#0: # %entry
subq $40, %rsp
.seh_stackalloc 40
.seh_endprologue
callq callee
callq callee
callq callee
nop
addq $40, %rsp
jmp callee # TAILCALL
.seh_handlerdata
.section .text,"xr",one_only,xdata3
.seh_endproc
# -- End function
.section .drectve,"yn"
.ascii " -export:xdata1"
.ascii " -export:xdata2"
.ascii " -export:xdata3"