diff --git a/llvm/unittests/Transforms/Utils/Local.cpp b/llvm/unittests/Transforms/Utils/Local.cpp
index 9b305f739a21..2343c46057ea 100644
--- a/llvm/unittests/Transforms/Utils/Local.cpp
+++ b/llvm/unittests/Transforms/Utils/Local.cpp
@@ -113,37 +113,31 @@ TEST(Local, ReplaceDbgDeclare) {
 
   // Original C source to get debug info for a local variable:
   // void f() { int x; }
-  std::unique_ptr<Module> M = parseIR(
-      C,
-      "define void @f() !dbg !8 {\n"
-      "entry:\n"
-      "  %x = alloca i32, align 4\n"
-      "  call void @llvm.dbg.declare(metadata i32* %x, metadata !11, metadata "
-      "!DIExpression()), !dbg !13\n"
-      "  call void @llvm.dbg.declare(metadata i32* %x, metadata !11, metadata "
-      "!DIExpression()), !dbg !13\n"
-      "  ret void, !dbg !14\n"
-      "}\n"
-      "declare void @llvm.dbg.declare(metadata, metadata, metadata)\n"
-      "!llvm.dbg.cu = !{!0}\n"
-      "!llvm.module.flags = !{!3, !4}\n"
-      "!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "
-      "\"clang version 6.0.0 \", isOptimized: false, runtimeVersion: 0, "
-      "emissionKind: FullDebug, enums: !2)\n"
-      "!1 = !DIFile(filename: \"t2.c\", directory: \"foo\")\n"
-      "!2 = !{}\n"
-      "!3 = !{i32 2, !\"Dwarf Version\", i32 4}\n"
-      "!4 = !{i32 2, !\"Debug Info Version\", i32 3}\n"
-      "!8 = distinct !DISubprogram(name: \"f\", scope: !1, file: !1, line: 1, "
-      "type: !9, isLocal: false, isDefinition: true, scopeLine: 1, "
-      "isOptimized: false, unit: !0, variables: !2)\n"
-      "!9 = !DISubroutineType(types: !10)\n"
-      "!10 = !{null}\n"
-      "!11 = !DILocalVariable(name: \"x\", scope: !8, file: !1, line: 2, type: "
-      "!12)\n"
-      "!12 = !DIBasicType(name: \"int\", size: 32, encoding: DW_ATE_signed)\n"
-      "!13 = !DILocation(line: 2, column: 7, scope: !8)\n"
-      "!14 = !DILocation(line: 3, column: 1, scope: !8)\n");
+  std::unique_ptr<Module> M = parseIR(C,
+                                      R"(
+      define void @f() !dbg !8 {
+      entry:
+        %x = alloca i32, align 4
+        call void @llvm.dbg.declare(metadata i32* %x, metadata !11, metadata !DIExpression()), !dbg !13
+        call void @llvm.dbg.declare(metadata i32* %x, metadata !11, metadata !DIExpression()), !dbg !13
+        ret void, !dbg !14
+      }
+      declare void @llvm.dbg.declare(metadata, metadata, metadata)
+      !llvm.dbg.cu = !{!0}
+      !llvm.module.flags = !{!3, !4}
+      !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 6.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
+      !1 = !DIFile(filename: "t2.c", directory: "foo")
+      !2 = !{}
+      !3 = !{i32 2, !"Dwarf Version", i32 4}
+      !4 = !{i32 2, !"Debug Info Version", i32 3}
+      !8 = distinct !DISubprogram(name: "f", scope: !1, file: !1, line: 1, type: !9, isLocal: false, isDefinition: true, scopeLine: 1, isOptimized: false, unit: !0, variables: !2)
+      !9 = !DISubroutineType(types: !10)
+      !10 = !{null}
+      !11 = !DILocalVariable(name: "x", scope: !8, file: !1, line: 2, type: !12)
+      !12 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
+      !13 = !DILocation(line: 2, column: 7, scope: !8)
+      !14 = !DILocation(line: 3, column: 1, scope: !8)
+      )");
   auto *GV = M->getNamedValue("f");
   ASSERT_TRUE(GV);
   auto *F = dyn_cast<Function>(GV);
@@ -182,23 +176,24 @@ static void runWithDomTree(
 TEST(Local, MergeBasicBlockIntoOnlyPred) {
   LLVMContext C;
 
-  std::unique_ptr<Module> M = parseIR(
-      C,
-      "define i32 @f(i8* %str) {\n"
-      "entry:\n"
-      "  br label %bb2.i\n"
-      "bb2.i:                                            ; preds = %bb4.i, %entry\n"
-      "  br i1 false, label %bb4.i, label %base2flt.exit204\n"
-      "bb4.i:                                            ; preds = %bb2.i\n"
-      "  br i1 false, label %base2flt.exit204, label %bb2.i\n"
-      "bb10.i196.bb7.i197_crit_edge:                     ; No predecessors!\n"
-      "  br label %bb7.i197\n"
-      "bb7.i197:                                         ; preds = %bb10.i196.bb7.i197_crit_edge\n"
-      "  %.reg2mem.0 = phi i32 [ %.reg2mem.0, %bb10.i196.bb7.i197_crit_edge ]\n"
-      "  br i1 undef, label %base2flt.exit204, label %base2flt.exit204\n"
-      "base2flt.exit204:                                 ; preds = %bb7.i197, %bb7.i197, %bb2.i, %bb4.i\n"
-      "  ret i32 0\n"
-      "}\n");
+  std::unique_ptr<Module> M = parseIR(C,
+                                      R"(
+      define i32 @f(i8* %str) {
+      entry:
+        br label %bb2.i
+      bb2.i:                                            ; preds = %bb4.i, %entry
+        br i1 false, label %bb4.i, label %base2flt.exit204
+      bb4.i:                                            ; preds = %bb2.i
+        br i1 false, label %base2flt.exit204, label %bb2.i
+      bb10.i196.bb7.i197_crit_edge:                     ; No predecessors!
+        br label %bb7.i197
+      bb7.i197:                                         ; preds = %bb10.i196.bb7.i197_crit_edge
+        %.reg2mem.0 = phi i32 [ %.reg2mem.0, %bb10.i196.bb7.i197_crit_edge ]
+        br i1 undef, label %base2flt.exit204, label %base2flt.exit204
+      base2flt.exit204:                                 ; preds = %bb7.i197, %bb7.i197, %bb2.i, %bb4.i
+        ret i32 0
+      }
+      )");
   runWithDomTree(
       *M, "f", [&](Function &F, DominatorTree *DT) {
         for (Function::iterator I = F.begin(), E = F.end(); I != E;) {
@@ -216,104 +211,103 @@ TEST(Local, MergeBasicBlockIntoOnlyPred) {
 TEST(Local, ConstantFoldTerminator) {
   LLVMContext C;
 
-  std::unique_ptr<Module> M = parseIR(
-      C,
-      "define void @br_same_dest() {\n"
-      "entry:\n"
-      "  br i1 false, label %bb0, label %bb0\n"
-      "bb0:\n"
-      "  ret void\n"
-      "}\n"
-      "\n"
-      "define void @br_different_dest() {\n"
-      "entry:\n"
-      "  br i1 true, label %bb0, label %bb1\n"
-      "bb0:\n"
-      "  br label %exit\n"
-      "bb1:\n"
-      "  br label %exit\n"
-      "exit:\n"
-      "  ret void\n"
-      "}\n"
-      "\n"
-      "define void @switch_2_different_dest() {\n"
-      "entry:\n"
-      "  switch i32 0, label %default [ i32 0, label %bb0 ]\n"
-      "default:\n"
-      "  ret void\n"
-      "bb0:\n"
-      "  ret void\n"
-      "}\n"
-      "define void @switch_2_different_dest_default() {\n"
-      "entry:\n"
-      "  switch i32 1, label %default [ i32 0, label %bb0 ]\n"
-      "default:\n"
-      "  ret void\n"
-      "bb0:\n"
-      "  ret void\n"
-      "}\n"
-      "define void @switch_3_different_dest() {\n"
-      "entry:\n"
-      "  switch i32 0, label %default [ i32 0, label %bb0\n"
-      "                                 i32 1, label %bb1 ]\n"
-      "default:\n"
-      "  ret void\n"
-      "bb0:\n"
-      "  ret void\n"
-      "bb1:\n"
-      "  ret void\n"
-      "}\n"
-      "\n"
-      "define void @switch_variable_2_default_dest(i32 %arg) {\n"
-      "entry:\n"
-      "  switch i32 %arg, label %default [ i32 0, label %default ]\n"
-      "default:\n"
-      "  ret void\n"
-      "}\n"
-      "\n"
-      "define void @switch_constant_2_default_dest() {\n"
-      "entry:\n"
-      "  switch i32 1, label %default [ i32 0, label %default ]\n"
-      "default:\n"
-      "  ret void\n"
-      "}\n"
-      "\n"
-      "define void @switch_constant_3_repeated_dest() {\n"
-      "entry:\n"
-      "  switch i32 0, label %default [ i32 0, label %bb0\n"
-      "                                 i32 1, label %bb0 ]\n"
-      " bb0:\n"
-      "   ret void\n"
-      "default:\n"
-      "  ret void\n"
-      "}\n"
-      "\n"
-      "define void @indirectbr() {\n"
-      "entry:\n"
-      "  indirectbr i8* blockaddress(@indirectbr, %bb0), [label %bb0, label %bb1]\n"
-      "bb0:\n"
-      "  ret void\n"
-      "bb1:\n"
-      "  ret void\n"
-      "}\n"
-      "\n"
-      "define void @indirectbr_repeated() {\n"
-      "entry:\n"
-      "  indirectbr i8* blockaddress(@indirectbr_repeated, %bb0), [label %bb0, label %bb0]\n"
-      "bb0:\n"
-      "  ret void\n"
-      "}\n"
-      "\n"
-      "define void @indirectbr_unreachable() {\n"
-      "entry:\n"
-      "  indirectbr i8* blockaddress(@indirectbr_unreachable, %bb0), [label %bb1]\n"
-      "bb0:\n"
-      "  ret void\n"
-      "bb1:\n"
-      "  ret void\n"
-      "}\n"
-      "\n"
-    );
+  std::unique_ptr<Module> M = parseIR(C,
+                                      R"(
+      define void @br_same_dest() {
+      entry:
+        br i1 false, label %bb0, label %bb0
+      bb0:
+        ret void
+      }
+
+      define void @br_different_dest() {
+      entry:
+        br i1 true, label %bb0, label %bb1
+      bb0:
+        br label %exit
+      bb1:
+        br label %exit
+      exit:
+        ret void
+      }
+
+      define void @switch_2_different_dest() {
+      entry:
+        switch i32 0, label %default [ i32 0, label %bb0 ]
+      default:
+        ret void
+      bb0:
+        ret void
+      }
+      define void @switch_2_different_dest_default() {
+      entry:
+        switch i32 1, label %default [ i32 0, label %bb0 ]
+      default:
+        ret void
+      bb0:
+        ret void
+      }
+      define void @switch_3_different_dest() {
+      entry:
+        switch i32 0, label %default [ i32 0, label %bb0
+                                       i32 1, label %bb1 ]
+      default:
+        ret void
+      bb0:
+        ret void
+      bb1:
+        ret void
+      }
+
+      define void @switch_variable_2_default_dest(i32 %arg) {
+      entry:
+        switch i32 %arg, label %default [ i32 0, label %default ]
+      default:
+        ret void
+      }
+
+      define void @switch_constant_2_default_dest() {
+      entry:
+        switch i32 1, label %default [ i32 0, label %default ]
+      default:
+        ret void
+      }
+
+      define void @switch_constant_3_repeated_dest() {
+      entry:
+        switch i32 0, label %default [ i32 0, label %bb0
+                                       i32 1, label %bb0 ]
+       bb0:
+         ret void
+      default:
+        ret void
+      }
+
+      define void @indirectbr() {
+      entry:
+        indirectbr i8* blockaddress(@indirectbr, %bb0), [label %bb0, label %bb1]
+      bb0:
+        ret void
+      bb1:
+        ret void
+      }
+
+      define void @indirectbr_repeated() {
+      entry:
+        indirectbr i8* blockaddress(@indirectbr_repeated, %bb0), [label %bb0, label %bb0]
+      bb0:
+        ret void
+      }
+
+      define void @indirectbr_unreachable() {
+      entry:
+        indirectbr i8* blockaddress(@indirectbr_unreachable, %bb0), [label %bb1]
+      bb0:
+        ret void
+      bb1:
+        ret void
+      }
+        )");
 
   auto CFAllTerminators = [&](Function &F, DominatorTree *DT) {
     DeferredDominance DDT(*DT);