commit d4121bef3cf3af51b80c2d499085a96aca5982ed
author Bill Wendling <isanbard@gmail.com> Wed Dec 24 05:25:49 2008 +0000
committer Bill Wendling <isanbard@gmail.com> Wed Dec 24 05:25:49 2008 +0000
tree f50d50442fc2c00817968e5a884467c44073def5
parent e5b7e0ec083f2e902e8612a95c33335a08da83aa

GCC doesn't emit DW_EH_PE_sdata4 for the FDE encoding on Darwin. I'm not sure
about other platforms.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61415 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/AsmPrinter/DwarfWriter.cpp

diff --git a/lib/CodeGen/AsmPrinter/DwarfWriter.cpp b/lib/CodeGen/AsmPrinter/DwarfWriter.cpp
index d22bbb2..42ed348 100644
--- a/lib/CodeGen/AsmPrinter/DwarfWriter.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfWriter.cpp
@@ -3017,13 +3017,25 @@
 
       Asm->EmitInt8(DW_EH_PE_pcrel | DW_EH_PE_sdata4);
       Asm->EOL("LSDA Encoding (pcrel sdata4)");
-      Asm->EmitInt8(DW_EH_PE_pcrel | DW_EH_PE_sdata4);
-      Asm->EOL("FDE Encoding (pcrel sdata4)");
+
+      if (TAI->doesFDEEncodingRequireSData4()) {
+        Asm->EmitInt8(DW_EH_PE_pcrel | DW_EH_PE_sdata4);
+        Asm->EOL("FDE Encoding (pcrel sdata4)");
+      } else {
+        Asm->EmitInt8(DW_EH_PE_pcrel);
+        Asm->EOL("FDE Encoding (pcrel)");
+      }
    } else {
       Asm->EmitULEB128Bytes(1);
       Asm->EOL("Augmentation Size");
-      Asm->EmitInt8(DW_EH_PE_pcrel | DW_EH_PE_sdata4);
-      Asm->EOL("FDE Encoding (pcrel sdata4)");
+
+      if (TAI->doesFDEEncodingRequireSData4()) {
+        Asm->EmitInt8(DW_EH_PE_pcrel | DW_EH_PE_sdata4);
+        Asm->EOL("FDE Encoding (pcrel sdata4)");
+      } else {
+        Asm->EmitInt8(DW_EH_PE_pcrel);
+        Asm->EOL("FDE Encoding (pcrel)");
+      }
     }
 
     // Indicate locations of general callee saved registers in frame.