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112 lines
4.4 KiB
112 lines
4.4 KiB
; REQUIRES: x86
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; RUN: llvm-as -o %T/comdat-main.lto.obj %s
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; RUN: llvm-as -o %T/comdat1.lto.obj %S/Inputs/lto-comdat1.ll
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; RUN: llvm-as -o %T/comdat2.lto.obj %S/Inputs/lto-comdat2.ll
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; RUN: rm -f %T/comdat.lto.lib
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; RUN: llvm-ar cru %T/comdat.lto.lib %T/comdat1.lto.obj %T/comdat2.lto.obj
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; RUN: llc -filetype=obj -o %T/comdat-main.obj %s
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; RUN: llc -filetype=obj -o %T/comdat1.obj %S/Inputs/lto-comdat1.ll
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; RUN: llc -filetype=obj -o %T/comdat2.obj %S/Inputs/lto-comdat2.ll
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; RUN: rm -f %T/comdat.lib
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; RUN: llvm-ar cru %T/comdat.lib %T/comdat1.obj %T/comdat2.obj
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; Check that, when we use an LTO main with LTO objects, we optimize away all
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; of f1, f2, and comdat.
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; RUN: lld-link /out:%T/comdat-main.exe /entry:main /subsystem:console %T/comdat-main.lto.obj %T/comdat1.lto.obj %T/comdat2.lto.obj
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; RUN: llvm-readobj --file-headers %T/comdat-main.exe | FileCheck -check-prefix=HEADERS-11 %s
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; RUN: llvm-objdump -d %T/comdat-main.exe | FileCheck --check-prefix=TEXT-11 %s
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; RUN: lld-link /out:%T/comdat-main.exe /entry:main /subsystem:console %T/comdat-main.lto.obj %T/comdat.lto.lib
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; RUN: llvm-readobj --file-headers %T/comdat-main.exe | FileCheck -check-prefix=HEADERS-11 %s
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; RUN: llvm-objdump -d %T/comdat-main.exe | FileCheck --check-prefix=TEXT-11 %s
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; Check that, when we use a non-LTO main with LTO objects, we pick the comdat
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; implementation in LTO, elide calls to it from inside LTO, and retain the
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; call to comdat from main.
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; RUN: lld-link /out:%T/comdat-main.exe /entry:main /subsystem:console %T/comdat-main.obj %T/comdat1.lto.obj %T/comdat2.lto.obj
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; RUN: llvm-readobj --file-headers %T/comdat-main.exe | FileCheck -check-prefix=HEADERS-01 %s
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; RUN: llvm-objdump -d %T/comdat-main.exe | FileCheck --check-prefix=TEXT-01 %s
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; RUN: lld-link /out:%T/comdat-main.exe /entry:main /subsystem:console %T/comdat-main.obj %T/comdat.lto.lib
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; RUN: llvm-readobj --file-headers %T/comdat-main.exe | FileCheck -check-prefix=HEADERS-01 %s
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; RUN: llvm-objdump -d %T/comdat-main.exe | FileCheck --check-prefix=TEXT-01 %s
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; Check that, when we use an LTO main with non-LTO objects, we pick the comdat
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; implementation in LTO, elide the call to it from inside LTO, and keep the
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; calls to comdat from the non-LTO objects.
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; RUN: lld-link /out:%T/comdat-main.exe /entry:main /subsystem:console %T/comdat-main.lto.obj %T/comdat1.obj %T/comdat2.obj
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; RUN: llvm-readobj --file-headers %T/comdat-main.exe | FileCheck -check-prefix=HEADERS-10 %s
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; RUN: llvm-objdump -d %T/comdat-main.exe | FileCheck --check-prefix=TEXT-10 %s
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; RUN: lld-link /out:%T/comdat-main.exe /entry:main /subsystem:console %T/comdat-main.lto.obj %T/comdat.lib
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; RUN: llvm-readobj --file-headers %T/comdat-main.exe | FileCheck -check-prefix=HEADERS-10 %s
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; RUN: llvm-objdump -d %T/comdat-main.exe | FileCheck --check-prefix=TEXT-10 %s
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; HEADERS-11: AddressOfEntryPoint: 0x1000
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; TEXT-11: Disassembly of section .text:
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; TEXT-11-EMPTY:
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; TEXT-11-NEXT: <.text>:
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; TEXT-11-NEXT: xorl %eax, %eax
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; TEXT-11-NEXT: retq
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; HEADERS-01: AddressOfEntryPoint: 0x1000
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; TEXT-01: Disassembly of section .text:
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; TEXT-01-EMPTY:
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; TEXT-01-NEXT: <.text>:
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; TEXT-01-NEXT: subq $40, %rsp
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; TEXT-01-NEXT: callq 0x140001020
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; TEXT-01-NEXT: callq 0x140001020
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; TEXT-01-NEXT: callq 0x140001020
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; TEXT-01-NEXT: xorl %eax, %eax
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; TEXT-01-NEXT: addq $40, %rsp
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; TEXT-01: retq
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; TEXT-01-NOT: callq
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; TEXT-01: retq
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; TEXT-01: int3
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; TEXT-01: int3
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; TEXT-01: int3
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; TEXT-01-NOT: {{.}}
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; HEADERS-10: AddressOfEntryPoint: 0x1020
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; TEXT-10: Disassembly of section .text:
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; TEXT-10-EMPTY:
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; TEXT-10-NEXT: <.text>:
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; TEXT-10-NEXT: subq $40, %rsp
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; TEXT-10-NEXT: callq 0x140001040
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; TEXT-10-NEXT: nop
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; TEXT-10-NEXT: addq $40, %rsp
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; TEXT-10-NEXT: retq
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; TEXT-10-NEXT: int3
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; TEXT-10-NEXT: subq $40, %rsp
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; TEXT-10-NEXT: callq 0x140001040
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; TEXT-10-NEXT: nop
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; TEXT-10-NEXT: addq $40, %rsp
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; TEXT-10-NEXT: retq
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; TEXT-10-NEXT: int3
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; TEXT-10-NEXT: subq $40, %rsp
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; TEXT-10-NEXT: callq 0x140001000
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; TEXT-10-NEXT: callq 0x140001010
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; TEXT-10-NEXT: xorl %eax, %eax
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; TEXT-10-NEXT: addq $40, %rsp
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; TEXT-10-NEXT: retq
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; TEXT-10-NOT: callq
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; TEXT-10: retq
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; TEXT-10-NOT: {{.}}
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target datalayout = "e-m:w-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-pc-windows-msvc"
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$comdat = comdat any
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define i32 @main() {
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call void @f1()
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call void @f2()
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call void @comdat()
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ret i32 0
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}
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define linkonce_odr void @comdat() comdat {
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ret void
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}
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declare void @f1()
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declare void @f2()
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