Revert "[DebugInfo] Introduce DW_OP_LLVM_convert"

This reverts commit 1cf4b593a7ebd666fc6775f3bd38196e8e65fafe.

Build bots found failing tests not detected locally.

Failing Tests (3):
  LLVM :: DebugInfo/Generic/convert-debugloc.ll
  LLVM :: DebugInfo/Generic/convert-inlined.ll
  LLVM :: DebugInfo/Generic/convert-linked.ll

llvm-svn: 356444
diff --git a/llvm/unittests/Transforms/Utils/LocalTest.cpp b/llvm/unittests/Transforms/Utils/LocalTest.cpp
index f83e10a..80f263d 100644
--- a/llvm/unittests/Transforms/Utils/LocalTest.cpp
+++ b/llvm/unittests/Transforms/Utils/LocalTest.cpp
@@ -788,35 +788,31 @@
   };
 
   // Case 1: The original expr is empty, so no deref is needed.
-  EXPECT_TRUE(hasADbgVal({DW_OP_LLVM_convert, 32, DW_ATE_signed,
-                         DW_OP_LLVM_convert, 64, DW_ATE_signed,
-                         DW_OP_stack_value}));
+  EXPECT_TRUE(hasADbgVal({DW_OP_dup, DW_OP_constu, 31, DW_OP_shr, DW_OP_lit0,
+                          DW_OP_not, DW_OP_mul, DW_OP_or, DW_OP_stack_value}));
 
   // Case 2: Perform an address calculation with the original expr, deref it,
   // then sign-extend the result.
-  EXPECT_TRUE(hasADbgVal({DW_OP_lit0, DW_OP_mul, DW_OP_deref,
-                         DW_OP_LLVM_convert, 32, DW_ATE_signed,
-                         DW_OP_LLVM_convert, 64, DW_ATE_signed,
-                         DW_OP_stack_value}));
+  EXPECT_TRUE(hasADbgVal({DW_OP_lit0, DW_OP_mul, DW_OP_deref, DW_OP_dup,
+                          DW_OP_constu, 31, DW_OP_shr, DW_OP_lit0, DW_OP_not,
+                          DW_OP_mul, DW_OP_or, DW_OP_stack_value}));
 
   // Case 3: Insert the sign-extension logic before the DW_OP_stack_value.
-  EXPECT_TRUE(hasADbgVal({DW_OP_lit0, DW_OP_mul, DW_OP_LLVM_convert, 32,
-                         DW_ATE_signed, DW_OP_LLVM_convert, 64, DW_ATE_signed,
-                         DW_OP_stack_value}));
+  EXPECT_TRUE(hasADbgVal({DW_OP_lit0, DW_OP_mul, DW_OP_dup, DW_OP_constu, 31,
+                          DW_OP_shr, DW_OP_lit0, DW_OP_not, DW_OP_mul, DW_OP_or,
+                          DW_OP_stack_value}));
 
   // Cases 4-6: Just like cases 1-3, but preserve the fragment at the end.
-  EXPECT_TRUE(hasADbgVal({DW_OP_LLVM_convert, 32, DW_ATE_signed,
-                         DW_OP_LLVM_convert, 64, DW_ATE_signed,
-                         DW_OP_stack_value, DW_OP_LLVM_fragment, 0, 8}));
-
-  EXPECT_TRUE(hasADbgVal({DW_OP_lit0, DW_OP_mul, DW_OP_deref,
-                         DW_OP_LLVM_convert, 32, DW_ATE_signed,
-                         DW_OP_LLVM_convert, 64, DW_ATE_signed,
-                         DW_OP_stack_value, DW_OP_LLVM_fragment, 0, 8}));
-
-  EXPECT_TRUE(hasADbgVal({DW_OP_lit0, DW_OP_mul, DW_OP_LLVM_convert, 32,
-                         DW_ATE_signed, DW_OP_LLVM_convert, 64, DW_ATE_signed,
-                         DW_OP_stack_value, DW_OP_LLVM_fragment, 0, 8}));
+  EXPECT_TRUE(hasADbgVal({DW_OP_dup, DW_OP_constu, 31, DW_OP_shr, DW_OP_lit0,
+                          DW_OP_not, DW_OP_mul, DW_OP_or, DW_OP_stack_value,
+                          DW_OP_LLVM_fragment, 0, 8}));
+  EXPECT_TRUE(
+      hasADbgVal({DW_OP_lit0, DW_OP_mul, DW_OP_deref, DW_OP_dup, DW_OP_constu,
+                  31, DW_OP_shr, DW_OP_lit0, DW_OP_not, DW_OP_mul, DW_OP_or,
+                  DW_OP_stack_value, DW_OP_LLVM_fragment, 0, 8}));
+  EXPECT_TRUE(hasADbgVal({DW_OP_lit0, DW_OP_mul, DW_OP_dup, DW_OP_constu, 31,
+                          DW_OP_shr, DW_OP_lit0, DW_OP_not, DW_OP_mul, DW_OP_or,
+                          DW_OP_stack_value, DW_OP_LLVM_fragment, 0, 8}));
 
   verifyModule(*M, &errs(), &BrokenDebugInfo);
   ASSERT_FALSE(BrokenDebugInfo);