[llvm] [MC] Fix HIP buildbot errors after 68472a3 (PR #141138)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-backend-amdgpu

Author: Jan Patrick Lehr (jplehr)

<details>
<summary>Changes</summary>

This fixes the errors on our HIP-Kokkos buildbot after 68472a39a0fbf38f5da7bb4ebe43e2ca87ff8308.

I do not know if this is the actually right fix, but afaict it restores the behavior for AMDGPU before the mentioned patch.

---
Full diff: https://github.com/llvm/llvm-project/pull/141138.diff


1 Files Affected:

- (modified) llvm/lib/Target/AMDGPU/MCTargetDesc/AMDGPUAsmBackend.cpp (+10) 


``````````diff
diff --git a/llvm/lib/Target/AMDGPU/MCTargetDesc/AMDGPUAsmBackend.cpp b/llvm/lib/Target/AMDGPU/MCTargetDesc/AMDGPUAsmBackend.cpp
index 19e394e5bc38c..0c98c32c21c2c 100644
--- a/llvm/lib/Target/AMDGPU/MCTargetDesc/AMDGPUAsmBackend.cpp
+++ b/llvm/lib/Target/AMDGPU/MCTargetDesc/AMDGPUAsmBackend.cpp
@@ -18,6 +18,7 @@
 #include "llvm/MC/MCFixupKindInfo.h"
 #include "llvm/MC/MCObjectWriter.h"
 #include "llvm/MC/MCSubtargetInfo.h"
+#include "llvm/MC/MCValue.h"
 #include "llvm/MC/TargetRegistry.h"
 #include "llvm/Support/EndianStream.h"
 #include "llvm/TargetParser/TargetParser.h"
@@ -51,6 +52,8 @@ class AMDGPUAsmBackend : public MCAsmBackend {
 
   std::optional<MCFixupKind> getFixupKind(StringRef Name) const override;
   MCFixupKindInfo getFixupKindInfo(MCFixupKind Kind) const override;
+  bool shouldForceRelocation(const MCAssembler &, const MCFixup &,
+                             const MCValue &, const MCSubtargetInfo *) override;
 };
 
 } //End anonymous namespace
@@ -189,6 +192,13 @@ MCFixupKindInfo AMDGPUAsmBackend::getFixupKindInfo(MCFixupKind Kind) const {
   return Infos[Kind - FirstTargetFixupKind];
 }
 
+bool AMDGPUAsmBackend::shouldForceRelocation(const MCAssembler &,
+                                             const MCFixup &,
+                                             const MCValue &Target,
+                                             const MCSubtargetInfo *) {
+  return Target.getSpecifier();
+}
+
 unsigned AMDGPUAsmBackend::getMinimumNopSize() const {
   return 4;
 }

``````````

</details>


https://github.com/llvm/llvm-project/pull/141138