[lld] [lld] Fix ILP32 ABI checks for bitcode files. (PR #116537)

[Fangrui Song via llvm-commits]

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@@ -1637,9 +1637,10 @@ template <class ELFT> void SharedFile::parse() {
 }
 
 static ELFKind getBitcodeELFKind(const Triple &t) {
-  if (t.isLittleEndian())
-    return t.isArch64Bit() ? ELF64LEKind : ELF32LEKind;
-  return t.isArch64Bit() ? ELF64BEKind : ELF32BEKind;
+  if (t.isArch64Bit() && !t.isABIN32() && !t.isX32() &&
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MaskRay wrote:

The tests are in lld/test/ELF. Many LTO tests are in lld/test/ELF/lto. Run them with `ninja check-lld-elf`.

`lld/test/ELF/lto/aarch64.ll` may be useful.


https://github.com/llvm/llvm-project/pull/116537