commit b9973f87c6e23062a8a921e8617d4625c355338d
author Djordje Todorovic <djordje.todorovic@rt-rk.com> Wed Jul 31 16:51:28 2019 +0000
committer Djordje Todorovic <djordje.todorovic@rt-rk.com> Wed Jul 31 16:51:28 2019 +0000
tree 18934ca9399cc9422cca62deb6224ebd5d46f845
parent f7ef70501cc12d67108694bd76e691aab9592559

Reland "[DwarfDebug] Dump call site debug info"

The build failure found after the rL365467 has been
resolved.

Differential Revision: https://reviews.llvm.org/D60716

llvm-svn: 367446

llvm/lib/IR/DebugInfoMetadata.cpp

diff --git a/llvm/lib/IR/DebugInfoMetadata.cpp b/llvm/lib/IR/DebugInfoMetadata.cpp
index 900df27..3482b61 100644
--- a/llvm/lib/IR/DebugInfoMetadata.cpp
+++ b/llvm/lib/IR/DebugInfoMetadata.cpp
@@ -828,15 +828,23 @@
 }
 
 unsigned DIExpression::ExprOperand::getSize() const {
-  switch (getOp()) {
+  uint64_t Op = getOp();
+
+  if (Op >= dwarf::DW_OP_breg0 && Op <= dwarf::DW_OP_breg31)
+    return 2;
+
+  switch (Op) {
   case dwarf::DW_OP_LLVM_convert:
   case dwarf::DW_OP_LLVM_fragment:
+  case dwarf::DW_OP_bregx:
     return 3;
   case dwarf::DW_OP_constu:
+  case dwarf::DW_OP_consts:
   case dwarf::DW_OP_deref_size:
   case dwarf::DW_OP_plus_uconst:
   case dwarf::DW_OP_LLVM_tag_offset:
   case dwarf::DW_OP_entry_value:
+  case dwarf::DW_OP_regx:
     return 2;
   default:
     return 1;
@@ -849,8 +857,13 @@
     if (I->get() + I->getSize() > E->get())
       return false;
 
+    uint64_t Op = I->getOp();
+    if ((Op >= dwarf::DW_OP_reg0 && Op <= dwarf::DW_OP_reg31) ||
+        (Op >= dwarf::DW_OP_breg0 && Op <= dwarf::DW_OP_breg31))
+      return true;
+
     // Check that the operand is valid.
-    switch (I->getOp()) {
+    switch (Op) {
     default:
       return false;
     case dwarf::DW_OP_LLVM_fragment:
@@ -905,6 +918,8 @@
     case dwarf::DW_OP_lit0:
     case dwarf::DW_OP_not:
     case dwarf::DW_OP_dup:
+    case dwarf::DW_OP_regx:
+    case dwarf::DW_OP_bregx:
       break;
     }
   }