[clang] [llvm] [HLSL][DXIL][SPIRV] Added WaveActiveBitOr HLSL intrinsic (PR #165156)

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Wed Oct 29 12:55:56 PDT 2025


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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp,h -- clang/lib/CodeGen/CGHLSLBuiltins.cpp clang/lib/CodeGen/CGHLSLRuntime.h clang/lib/Headers/hlsl/hlsl_alias_intrinsics.h clang/lib/Sema/SemaHLSL.cpp llvm/lib/Target/DirectX/DXILShaderFlags.cpp llvm/lib/Target/DirectX/DirectXTargetTransformInfo.cpp llvm/lib/Target/SPIRV/SPIRVInstructionSelector.cpp --diff_from_common_commit
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changing `origin/main` to the base branch/commit you want to compare against.
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``````````diff
diff --git a/clang/lib/CodeGen/CGHLSLBuiltins.cpp b/clang/lib/CodeGen/CGHLSLBuiltins.cpp
index bc3b4185c..df7ef436c 100644
--- a/clang/lib/CodeGen/CGHLSLBuiltins.cpp
+++ b/clang/lib/CodeGen/CGHLSLBuiltins.cpp
@@ -716,7 +716,8 @@ Value *CodeGenFunction::EmitHLSLBuiltinExpr(unsigned BuiltinID,
   case Builtin::BI__builtin_hlsl_wave_active_bit_or: {
     Value *Op = EmitScalarExpr(E->getArg(0));
     assert(Op->getType()->hasUnsignedIntegerRepresentation() &&
-           "Intrinsic WaveActiveBitOr operand must have a unsigned integer representation");
+           "Intrinsic WaveActiveBitOr operand must have a unsigned integer "
+           "representation");
 
     Intrinsic::ID ID = CGM.getHLSLRuntime().getWaveActiveBitOrIntrinsic();
     return EmitRuntimeCall(
diff --git a/llvm/lib/Target/SPIRV/SPIRVInstructionSelector.cpp b/llvm/lib/Target/SPIRV/SPIRVInstructionSelector.cpp
index 23efe2b13..a734eaff9 100644
--- a/llvm/lib/Target/SPIRV/SPIRVInstructionSelector.cpp
+++ b/llvm/lib/Target/SPIRV/SPIRVInstructionSelector.cpp
@@ -2430,8 +2430,9 @@ bool SPIRVInstructionSelector::selectWaveActiveCountBits(
   return Result;
 }
 
-bool SPIRVInstructionSelector::selectWaveReduceOr(
-    Register ResVReg, const SPIRVType *ResType, MachineInstr &I) const {
+bool SPIRVInstructionSelector::selectWaveReduceOr(Register ResVReg,
+                                                  const SPIRVType *ResType,
+                                                  MachineInstr &I) const {
 
   assert(I.getNumOperands() == 3);
   assert(I.getOperand(2).isReg());

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https://github.com/llvm/llvm-project/pull/165156


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