[PATCH] D131473: [XCOFF] ignore the cold attribute.

[Esme Yi via Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Esme marked an inline comment as done.
Closed by commit rG7a70e6e224cd: [XCOFF] ignore the cold attribute. (authored by Esme).

Changed prior to commit:
  https://reviews.llvm.org/D131473?vs=451337&id=451723#toc

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D131473/new/

https://reviews.llvm.org/D131473

Files:
  llvm/lib/MC/MCXCOFFStreamer.cpp
  llvm/test/CodeGen/PowerPC/aix-xcoff-cold.ll


Index: llvm/test/CodeGen/PowerPC/aix-xcoff-cold.ll
===================================================================
--- /dev/null
+++ llvm/test/CodeGen/PowerPC/aix-xcoff-cold.ll
@@ -0,0 +1,15 @@
+; RUN: llc -mtriple powerpc64-ibm-aix-xcoff -filetype=obj -o %t.o < %s
+; RUN: llvm-objdump --syms %t.o | FileCheck %s
+
+; CHECK:      SYMBOL TABLE:
+; CHECK-NEXT: 0000000000000000      df *DEBUG* 0000000000000000 <stdin>
+; CHECK-NEXT: 0000000000000000 l       .text   000000000000001e .text
+; CHECK-NEXT: 0000000000000000 g     F .text (csect: .text)  0000000000000000 .cold_fun
+; CHECK-NEXT: 0000000000000020 g     O .data   0000000000000018 cold_fun
+
+define dso_local void @cold_fun() #1 {
+entry:
+  ret void
+}
+
+attributes #1 = { cold }
Index: llvm/lib/MC/MCXCOFFStreamer.cpp
===================================================================
--- llvm/lib/MC/MCXCOFFStreamer.cpp
+++ llvm/lib/MC/MCXCOFFStreamer.cpp
@@ -37,6 +37,10 @@
   getAssembler().registerSymbol(*Symbol);
 
   switch (Attribute) {
+  // XCOFF doesn't support the cold feature.
+  case MCSA_Cold:
+    return false;
+
   case MCSA_Global:
   case MCSA_Extern:
     Symbol->setStorageClass(XCOFF::C_EXT);


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