[debugging] emit new iree flag for debugging

[willghatch]

Depends on iree-org/iree#22216 in iree.

Along with #340 this enables DWARF output with locations for Wave kernels.

[Copilot]

Pull Request Overview

This PR adds debugging support for Wave kernels by emitting DWARF debug information through a new IREE flag. It enables developers to debug compiled Wave kernels with proper source location mapping.

• Adds conditional emission of --iree-hip-emit-debug-info flag based on debug configuration
• Introduces comprehensive end-to-end test for DWARF debug information in compiled Wave kernels

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.

File	Description
wave_lang/kernel/wave/utils/compile_utils.py	Adds conditional IREE debug flag emission when debug info is not dropped
lit_tests/kernel/wave/debug_dwarf.py	New test verifying DWARF debug information preservation through compilation pipeline

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[Copilot]

Pull Request Overview

Copilot reviewed 2 out of 2 changed files in this pull request and generated no new comments.

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[Copilot]

Pull Request Overview

Copilot reviewed 2 out of 2 changed files in this pull request and generated no new comments.

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