[llvm] [SPIRV] Add bfloat support (PR #155645)

via llvm-commits llvm-commits at lists.llvm.org
Wed Aug 27 08:57:18 PDT 2025


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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp,h -- llvm/include/llvm/CodeGen/MachineInstr.h llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp llvm/lib/CodeGen/MachineInstr.cpp llvm/lib/Target/SPIRV/SPIRVCommandLine.cpp llvm/lib/Target/SPIRV/SPIRVModuleAnalysis.cpp
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``````````diff
diff --git a/llvm/include/llvm/CodeGen/MachineInstr.h b/llvm/include/llvm/CodeGen/MachineInstr.h
index 6f692ae32..1ad6a52ec 100644
--- a/llvm/include/llvm/CodeGen/MachineInstr.h
+++ b/llvm/include/llvm/CodeGen/MachineInstr.h
@@ -123,9 +123,9 @@ public:
     NoUSWrap = 1 << 20,      // Instruction supports geps
                              // no unsigned signed wrap.
     SameSign = 1 << 21,      // Both operands have the same sign.
-    InBounds = 1 << 22,       // Pointer arithmetic remains inbounds.
+    InBounds = 1 << 22,      // Pointer arithmetic remains inbounds.
                              // Implies NoUSWrap.
-    BFloat16 = 1 << 23      // Instruction with bf16 type
+    BFloat16 = 1 << 23       // Instruction with bf16 type
   };
 
 private:
diff --git a/llvm/lib/Target/SPIRV/SPIRVCommandLine.cpp b/llvm/lib/Target/SPIRV/SPIRVCommandLine.cpp
index bd13a3bae..993de9e9f 100644
--- a/llvm/lib/Target/SPIRV/SPIRVCommandLine.cpp
+++ b/llvm/lib/Target/SPIRV/SPIRVCommandLine.cpp
@@ -148,8 +148,7 @@ static const std::map<std::string, SPIRV::Extension::Extension, std::less<>>
          SPIRV::Extension::Extension::SPV_KHR_float_controls2},
         {"SPV_INTEL_tensor_float32_conversion",
          SPIRV::Extension::Extension::SPV_INTEL_tensor_float32_conversion},
-        {"SPV_KHR_bfloat16",
-         SPIRV::Extension::Extension::SPV_KHR_bfloat16}};
+        {"SPV_KHR_bfloat16", SPIRV::Extension::Extension::SPV_KHR_bfloat16}};
 
 bool SPIRVExtensionsParser::parse(cl::Option &O, StringRef ArgName,
                                   StringRef ArgValue,
diff --git a/llvm/lib/Target/SPIRV/SPIRVModuleAnalysis.cpp b/llvm/lib/Target/SPIRV/SPIRVModuleAnalysis.cpp
index 5bba5cdce..973501d9d 100644
--- a/llvm/lib/Target/SPIRV/SPIRVModuleAnalysis.cpp
+++ b/llvm/lib/Target/SPIRV/SPIRVModuleAnalysis.cpp
@@ -1267,7 +1267,7 @@ void addInstrRequirements(const MachineInstr &MI,
       Reqs.addCapability(SPIRV::Capability::Float64);
     else if (BitWidth == 16)
       Reqs.addCapability(SPIRV::Capability::Float16);
-    if(MI.getFlag(MachineInstr::MIFlag::BFloat16)) {
+    if (MI.getFlag(MachineInstr::MIFlag::BFloat16)) {
       Reqs.addExtension(SPIRV::Extension::SPV_KHR_bfloat16);
       Reqs.addCapability(SPIRV::Capability::BFloat16TypeKHR);
     }

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https://github.com/llvm/llvm-project/pull/155645


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