[llvm] [AMDGPU] Determine MCFixupKind in a more general way. NFCI. (PR #155864)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-backend-amdgpu

Author: Jay Foad (jayfoad)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/155864.diff


1 Files Affected:

- (modified) llvm/lib/Target/AMDGPU/MCTargetDesc/AMDGPUMCCodeEmitter.cpp (+2-5) 


``````````diff
diff --git a/llvm/lib/Target/AMDGPU/MCTargetDesc/AMDGPUMCCodeEmitter.cpp b/llvm/lib/Target/AMDGPU/MCTargetDesc/AMDGPUMCCodeEmitter.cpp
index 61f673221739a..71a1c2dcb2768 100644
--- a/llvm/lib/Target/AMDGPU/MCTargetDesc/AMDGPUMCCodeEmitter.cpp
+++ b/llvm/lib/Target/AMDGPU/MCTargetDesc/AMDGPUMCCodeEmitter.cpp
@@ -695,11 +695,8 @@ void AMDGPUMCCodeEmitter::getMachineOpValueCommon(
     const MCInstrDesc &Desc = MCII.get(MI.getOpcode());
     uint32_t Offset = Desc.getSize();
     assert(Offset == 4 || Offset == 8);
-    auto OpType = Desc.operands()[OpNo].OperandType;
-    MCFixupKind Kind = (STI.hasFeature(AMDGPU::Feature64BitLiterals) &&
-                        OpType == AMDGPU::OPERAND_REG_IMM_INT64)
-                           ? FK_Data_8
-                           : FK_Data_4;
+    unsigned Size = AMDGPU::getOperandSize(Desc, OpNo);
+    MCFixupKind Kind = MCFixup::getDataKindForSize(Size);
     addFixup(Fixups, Offset, MO.getExpr(), Kind, PCRel);
   }
 

``````````

</details>


https://github.com/llvm/llvm-project/pull/155864