[llvm] [AMDGPU] Make ubsan happy (PR #68959)

[Stanislav Mekhanoshin via llvm-commits]

https://github.com/rampitec created https://github.com/llvm/llvm-project/pull/68959

None

>From 928a0b205e737b73311fea45e22f32de202f11ee Mon Sep 17 00:00:00 2001
From: Stanislav Mekhanoshin <Stanislav.Mekhanoshin at amd.com>
Date: Fri, 13 Oct 2023 00:10:49 -0700
Subject: [PATCH] [AMDGPU] Make ubsan happy

---
 llvm/lib/Target/AMDGPU/AsmParser/AMDGPUAsmParser.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/llvm/lib/Target/AMDGPU/AsmParser/AMDGPUAsmParser.cpp b/llvm/lib/Target/AMDGPU/AsmParser/AMDGPUAsmParser.cpp
index e16fed445b9f968..fa651b9fcb05a5b 100644
--- a/llvm/lib/Target/AMDGPU/AsmParser/AMDGPUAsmParser.cpp
+++ b/llvm/lib/Target/AMDGPU/AsmParser/AMDGPUAsmParser.cpp
@@ -2243,7 +2243,8 @@ void AMDGPUOperand::addLiteralImmOperand(MCInst &Inst, int64_t Val, bool ApplyMo
       return;
     }
 
-    Val = AMDGPU::isSISrcFPOperand(InstDesc, OpNum) ? Val << 32 : Lo_32(Val);
+    Val = AMDGPU::isSISrcFPOperand(InstDesc, OpNum) ? (uint64_t)Val << 32
+                                                    : Lo_32(Val);
 
     Inst.addOperand(MCOperand::createImm(Val));
     setImmKindLiteral();