From bd6306cdaa4a49344658bd026721b6532e103d09 Mon Sep 17 00:00:00 2001 From: Yong He Date: Fri, 24 Feb 2023 10:01:47 -0800 Subject: More control flow simplifications. (#2673) * More control flow and Phi param simplifications. * Fix. * Fix gcc error. * Fix. * More IR cleanup. * Fix bug in phi param dce + ifelse simplify. * Propagate and DCE side-effect-free functions. * Enhance CFG simplifcation to remove loops with no side effects. * Fix. * Fixes. * Fix tests. Add [__AlwaysFoldIntoUseSite] for rayPayloadLocation. * More cleanup. * Fixes. * Fix. --------- Co-authored-by: Yong He --- source/slang/slang-emit.cpp | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'source/slang/slang-emit.cpp') diff --git a/source/slang/slang-emit.cpp b/source/slang/slang-emit.cpp index e2f00bf88..a25fae5ae 100644 --- a/source/slang/slang-emit.cpp +++ b/source/slang/slang-emit.cpp @@ -891,8 +891,8 @@ Result linkAndOptimizeIR( } } - // Run a final round of DCE to clean up unused things after phi-elimination. - eliminateDeadCode(irModule); + // Run a final round of simplifications to clean up unused things after phi-elimination. + simplifyNonSSAIR(irModule); // We include one final step to (optionally) dump the IR and validate // it after all of the optimization passes are complete. This should -- cgit v1.2.3