[lld] 89f095d - [lld][ELF] Add armeb support when incoming bc is arm big endian (#72604)

[via llvm-commits]

Author: dong jianqiang
Date: 2023-11-20T21:12:06-08:00
New Revision: 89f095d20469f5343d9652ec70e53837978abc61

URL: https://github.com/llvm/llvm-project/commit/89f095d20469f5343d9652ec70e53837978abc61
DIFF: https://github.com/llvm/llvm-project/commit/89f095d20469f5343d9652ec70e53837978abc61.diff

LOG: [lld][ELF] Add armeb support when incoming bc is arm big endian (#72604)

Add armeb support when incoming bc is arm big endian:
Fix error: could not infer e_machine from bitcode target triple
armebv7-linux-gnueabi.

Added: 
    

Modified: 
    lld/ELF/InputFiles.cpp
    lld/test/ELF/lto/arm.ll

Removed: 
    


################################################################################
diff  --git a/lld/ELF/InputFiles.cpp b/lld/ELF/InputFiles.cpp
index 7ac737dab0519a8..06a3d565deb765e 100644
--- a/lld/ELF/InputFiles.cpp
+++ b/lld/ELF/InputFiles.cpp
@@ -1582,7 +1582,9 @@ static uint16_t getBitcodeMachineKind(StringRef path, const Triple &t) {
   case Triple::r600:
     return EM_AMDGPU;
   case Triple::arm:
+  case Triple::armeb:
   case Triple::thumb:
+  case Triple::thumbeb:
     return EM_ARM;
   case Triple::avr:
     return EM_AVR;

diff  --git a/lld/test/ELF/lto/arm.ll b/lld/test/ELF/lto/arm.ll
index 00d08658adfe50a..5860262ac8bf90f 100644
--- a/lld/test/ELF/lto/arm.ll
+++ b/lld/test/ELF/lto/arm.ll
@@ -7,13 +7,15 @@
 ; RUN: ld.lld %t/arm.o -o %t/arm
 ; RUN: llvm-readobj -h %t/arm | FileCheck %s --check-prefix=ARM
 ; RUN: llvm-as %t/armeb.ll -o %t/armeb.o
-; RUN: not ld.lld %t/armeb.o -o %t/armeb
+; RUN: ld.lld %t/armeb.o -o %t/armeb
+; RUN: llvm-readobj -h %t/armeb | FileCheck %s --check-prefix=ARMEB
 
 ; RUN: llvm-as %t/thumb.ll -o %t/thumb.o
 ; RUN: ld.lld %t/thumb.o -o %t/thumb
 ; RUN: llvm-readobj -h %t/thumb | FileCheck %s --check-prefix=THUMB
 ; RUN: llvm-as %t/thumbeb.ll -o %t/thumbeb.o
-; RUN: not ld.lld %t/thumbeb.o -o %t/thumbeb
+; RUN: ld.lld %t/thumbeb.o -o %t/thumbeb
+; RUN: llvm-readobj -h %t/thumbeb | FileCheck %s --check-prefix=THUMBEB
 
 ; ARM:       Class: 32-bit
 ; ARM:       DataEncoding: LittleEndian
@@ -25,6 +27,9 @@
 ; THUMB:     Class: 32-bit
 ; THUMB:     DataEncoding: LittleEndian
 ; THUMB:   Machine: EM_ARM (
+; THUMBEB:   Class: 32-bit
+; THUMBEB:   DataEncoding: BigEndian
+; THUMBEB: Machine: EM_ARM (
 
 ;--- arm.ll
 target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"