[llvm] [SPIRV] Mark maybe unused extractSubvector variable (PR #116117)
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Wed Nov 13 14:58:12 PST 2024
llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-backend-spir-v
Author: Greg Roth (pow2clk)
<details>
<summary>Changes</summary>
Change #<!-- -->115178 introduced a variable that is only used in an assert, which could result in an unused variable warning in builds without asserts enabled. This just addes the maybe_unused attribute to silence the warning.
---
Full diff: https://github.com/llvm/llvm-project/pull/116117.diff
1 Files Affected:
- (modified) llvm/lib/Target/SPIRV/SPIRVInstructionSelector.cpp (+1-1)
``````````diff
diff --git a/llvm/lib/Target/SPIRV/SPIRVInstructionSelector.cpp b/llvm/lib/Target/SPIRV/SPIRVInstructionSelector.cpp
index 8a8835e0269200..4e6fce96087c93 100644
--- a/llvm/lib/Target/SPIRV/SPIRVInstructionSelector.cpp
+++ b/llvm/lib/Target/SPIRV/SPIRVInstructionSelector.cpp
@@ -2941,7 +2941,7 @@ void SPIRVInstructionSelector::extractSubvector(
Register &ResVReg, const SPIRVType *ResType, Register &ReadReg,
MachineInstr &InsertionPoint) const {
SPIRVType *InputType = GR.getResultType(ReadReg);
- uint64_t InputSize = GR.getScalarOrVectorComponentCount(InputType);
+ [[maybe_unused]] uint64_t InputSize = GR.getScalarOrVectorComponentCount(InputType);
uint64_t ResultSize = GR.getScalarOrVectorComponentCount(ResType);
assert(InputSize > 1 && "The input must be a vector.");
assert(ResultSize > 1 && "The result must be a vector.");
``````````
</details>
https://github.com/llvm/llvm-project/pull/116117
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