[PATCH] D150490: Enable frame pointer for all non-leaf functions on riscv64 Android

Aditya Kumar via Phabricator via cfe-commits cfe-commits at lists.llvm.org
Fri May 12 16:06:26 PDT 2023


hiraditya added inline comments.


================
Comment at: clang/lib/Driver/ToolChains/Clang.cpp:424
+  if (Triple.isAndroid()) {
+    // AArch64 has frame pointers enabled for non-leaf functions.
+    switch (Triple.getArch()) {
----------------
enh wrote:
> (where? is it simpler to just add arm64 to the switch?)
yeah we can add it for better readability but it would be redundant.


================
Comment at: clang/lib/Driver/ToolChains/Clang.cpp:530
+                   Triple.isAArch64() || Triple.isPS() || Triple.isVE() ||
+                   (Triple.isAndroid() && (Triple.getArch() == llvm::Triple::riscv64)));
   if (NoOmitFP || mustUseNonLeafFramePointerForTarget(Triple) ||
----------------
enh wrote:
> how does this work for Android/arm64?
becaues of `Triple.isAArch64()`, AArch64 always has non-leaf frame pointers for all platforms.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D150490/new/

https://reviews.llvm.org/D150490



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