Revert "[llvm-lib] Handle MIPS architecture (#121007)"

This reverts commit 5d529c3.
intel · Dec 27, 2024 · 9d3f9f4 · 9d3f9f4
1 parent 6b53a95
commit 9d3f9f4
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diff --git a/llvm/lib/Object/WindowsMachineFlag.cpp b/llvm/lib/Object/WindowsMachineFlag.cpp
@@ -21,15 +21,13 @@ using namespace llvm;
 
 // Returns /machine's value.
 COFF::MachineTypes llvm::getMachineType(StringRef S) {
-  // Flags must be a superset of Microsoft lib.exe /machine flags.
   return StringSwitch<COFF::MachineTypes>(S.lower())
       .Cases("x64", "amd64", COFF::IMAGE_FILE_MACHINE_AMD64)
       .Cases("x86", "i386", COFF::IMAGE_FILE_MACHINE_I386)
       .Case("arm", COFF::IMAGE_FILE_MACHINE_ARMNT)
       .Case("arm64", COFF::IMAGE_FILE_MACHINE_ARM64)
       .Case("arm64ec", COFF::IMAGE_FILE_MACHINE_ARM64EC)
       .Case("arm64x", COFF::IMAGE_FILE_MACHINE_ARM64X)
-      .Case("mips", COFF::IMAGE_FILE_MACHINE_R4000)
       .Default(COFF::IMAGE_FILE_MACHINE_UNKNOWN);
 }
 

diff --git a/llvm/lib/ToolDrivers/llvm-lib/LibDriver.cpp b/llvm/lib/ToolDrivers/llvm-lib/LibDriver.cpp
@@ -171,7 +171,6 @@ static Expected<COFF::MachineTypes> getCOFFFileMachine(MemoryBufferRef MB) {
   uint16_t Machine = (*Obj)->getMachine();
   if (Machine != COFF::IMAGE_FILE_MACHINE_I386 &&
       Machine != COFF::IMAGE_FILE_MACHINE_AMD64 &&
-      Machine != COFF::IMAGE_FILE_MACHINE_R4000 &&
       Machine != COFF::IMAGE_FILE_MACHINE_ARMNT && !COFF::isAnyArm64(Machine)) {
     return createStringError(inconvertibleErrorCode(),
                              "unknown machine: " + std::to_string(Machine));
@@ -196,8 +195,6 @@ static Expected<COFF::MachineTypes> getBitcodeFileMachine(MemoryBufferRef MB) {
   case Triple::aarch64:
     return T.isWindowsArm64EC() ? COFF::IMAGE_FILE_MACHINE_ARM64EC
                                 : COFF::IMAGE_FILE_MACHINE_ARM64;
-  case Triple::mipsel:
-    return COFF::IMAGE_FILE_MACHINE_R4000;
   default:
     return createStringError(inconvertibleErrorCode(),
                              "unknown arch in target triple: " + *TripleStr);

diff --git a/llvm/test/tools/llvm-lib/Inputs/mips.ll b/llvm/test/tools/llvm-lib/Inputs/mips.ll
diff --git a/llvm/test/tools/llvm-lib/infer-machine.test b/llvm/test/tools/llvm-lib/infer-machine.test
diff --git a/llvm/test/tools/llvm-lib/machine-opt.test b/llvm/test/tools/llvm-lib/machine-opt.test