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