[PATCH] D47691: [NVPTX] Ignore target-cpu and -features for inling

[Jonas Hahnfeld via Phabricator via llvm-commits]

Hahnfeld created this revision.
Hahnfeld added reviewers: tra, jlebar.
Herald added subscribers: llvm-commits, jholewinski.

We don't want to prevent inlining because of target-cpu and -features
attributes that were added to newer versions of LLVM/Clang: There are
no incompatible functions in PTX, ptxas will throw errors in such cases.


Repository:
  rL LLVM

https://reviews.llvm.org/D47691

Files:
  lib/Target/NVPTX/NVPTXTargetTransformInfo.h


Index: lib/Target/NVPTX/NVPTXTargetTransformInfo.h
===================================================================
--- lib/Target/NVPTX/NVPTXTargetTransformInfo.h
+++ lib/Target/NVPTX/NVPTXTargetTransformInfo.h
@@ -61,6 +61,14 @@
   unsigned getRegisterBitWidth(bool Vector) const { return 32; }
   unsigned getMinVectorRegisterBitWidth() const { return 32; }
 
+  // We don't want to prevent inlining because of target-cpu and -features
+  // attributes that were added to newer versions of LLVM/Clang: There are
+  // no incompatible functions in PTX, ptxas will throw errors in such cases.
+  bool areInlineCompatible(const Function *Caller,
+                           const Function *Callee) const {
+    return true;
+  }
+
   // Increase the inlining cost threshold by a factor of 5, reflecting that
   // calls are particularly expensive in NVPTX.
   unsigned getInliningThresholdMultiplier() { return 5; }


-------------- next part --------------
A non-text attachment was scrubbed...
Name: D47691.149655.patch
Type: text/x-patch
Size: 919 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20180603/e54e124c/attachment.bin>