Change getISAEncoding to use the target triple to determine

thumb-ness similar to the rest of the Module level asm printing
infrastructure as debug info finalization happens after the function
may be missing.

llvm-svn: 232875

2 files changed, 7 insertions, 5 deletions

diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
index f1cd94b6e0a..f6af73fe20e 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
@@ -1361,9 +1361,8 @@ void DwarfUnit::applySubprogramAttributes(DISubprogram SP, DIE &SPDie,
   if (SP.isOptimized())
     addFlag(SPDie, dwarf::DW_AT_APPLE_optimized);
 
-  if (unsigned isa = Asm->getISAEncoding(SP.getFunction())) {
+  if (unsigned isa = Asm->getISAEncoding())
     addUInt(SPDie, dwarf::DW_AT_APPLE_isa, dwarf::DW_FORM_flag, isa);
-  }
 
   if (SP.isLValueReference())
     addFlag(SPDie, dwarf::DW_AT_reference);
diff --git a/llvm/lib/Target/ARM/ARMAsmPrinter.h b/llvm/lib/Target/ARM/ARMAsmPrinter.h
index 50cb9540411..e475ae43a6d 100644
--- a/llvm/lib/Target/ARM/ARMAsmPrinter.h
+++ b/llvm/lib/Target/ARM/ARMAsmPrinter.h
@@ -103,13 +103,16 @@ private:
                                    const MachineInstr *MI);
 
 public:
-  unsigned getISAEncoding(const Function *F) override {
+  unsigned getISAEncoding() override {
     // ARM/Darwin adds ISA to the DWARF info for each function.
     Triple TT(TM.getTargetTriple());
     if (!TT.isOSBinFormatMachO())
       return 0;
-    const ARMSubtarget &STI = TM.getSubtarget<ARMSubtarget>(*F);
-    return STI.isThumb() ? ARM::DW_ISA_ARM_thumb : ARM::DW_ISA_ARM_arm;
+    bool isThumb = TT.getArch() == Triple::thumb ||
+                   TT.getArch() == Triple::thumbeb ||
+                   TT.getSubArch() == Triple::ARMSubArch_v7m ||
+                   TT.getSubArch() == Triple::ARMSubArch_v6m;
+    return isThumb ? ARM::DW_ISA_ARM_thumb : ARM::DW_ISA_ARM_arm;
   }
 
 private: