[lld] aa4dfba - [ELF] Infer EM_HEXAGON in getBitcodeMachineKind

[Fangrui Song via llvm-commits]

Author: Fangrui Song
Date: 2021-09-07T20:46:37-07:00
New Revision: aa4dfba522538019740268bd0c018e1674adb1c9

URL: https://github.com/llvm/llvm-project/commit/aa4dfba522538019740268bd0c018e1674adb1c9
DIFF: https://github.com/llvm/llvm-project/commit/aa4dfba522538019740268bd0c018e1674adb1c9.diff

LOG: [ELF] Infer EM_HEXAGON in getBitcodeMachineKind

Added: 
    lld/test/ELF/lto/hexagon.ll

Modified: 
    lld/ELF/InputFiles.cpp

Removed: 
    


################################################################################
diff  --git a/lld/ELF/InputFiles.cpp b/lld/ELF/InputFiles.cpp
index d5b9efbe18fc5..5104d2dd453d6 100644
--- a/lld/ELF/InputFiles.cpp
+++ b/lld/ELF/InputFiles.cpp
@@ -1629,6 +1629,8 @@ static uint16_t getBitcodeMachineKind(StringRef path, const Triple &t) {
     return EM_ARM;
   case Triple::avr:
     return EM_AVR;
+  case Triple::hexagon:
+    return EM_HEXAGON;
   case Triple::mips:
   case Triple::mipsel:
   case Triple::mips64:

diff  --git a/lld/test/ELF/lto/hexagon.ll b/lld/test/ELF/lto/hexagon.ll
new file mode 100644
index 0000000000000..db62b4d8a867f
--- /dev/null
+++ b/lld/test/ELF/lto/hexagon.ll
@@ -0,0 +1,17 @@
+; REQUIRES: hexagon
+;; Test we can infer the e_machine value EM_HEXAGON from a bitcode file.
+
+; RUN: llvm-as %s -o %t.bc
+; RUN: ld.lld %t.bc -o %t
+; RUN: llvm-readobj -h %t | FileCheck %s
+
+; CHECK:   Class: 32-bit
+; CHECK:   DataEncoding: LittleEndian
+; CHECK: Machine: EM_HEXAGON
+
+target datalayout = "e-m:e-p:32:32:32-a:0-n16:32-i64:64:64-i32:32:32-i16:16:16-i1:8:8-f32:32:32-f64:64:64-v32:32:32-v64:64:64-v512:512:512-v1024:1024:1024-v2048:2048:2048"
+target triple = "hexagon-unknown-unknown-elf"
+
+define void @_start() {
+  ret void
+}