[Pass] Rename flattencfg -> flatten-cfg

Author: paperchalice

llvm/lib/Passes/PassRegistry.def

@@ -306,7 +306,7 @@ FUNCTION_PASS("dwarf-eh-prepare", DwarfEHPreparePass(TM))
 FUNCTION_PASS("expand-large-div-rem", ExpandLargeDivRemPass(TM))
 FUNCTION_PASS("expand-large-fp-convert", ExpandLargeFpConvertPass(TM))
 FUNCTION_PASS("fix-irreducible", FixIrreduciblePass())
-FUNCTION_PASS("flattencfg", FlattenCFGPass())
+FUNCTION_PASS("flatten-cfg", FlattenCFGPass())
 FUNCTION_PASS("float2int", Float2IntPass())
 FUNCTION_PASS("guard-widening", GuardWideningPass())
 FUNCTION_PASS("gvn-hoist", GVNHoistPass())

llvm/lib/Transforms/Scalar/FlattenCFGPass.cpp

@@ -21,7 +21,7 @@
 
 using namespace llvm;
 
-#define DEBUG_TYPE "flattencfg"
+#define DEBUG_TYPE "flatten-cfg"
 
 namespace {
 struct FlattenCFGLegacyPass : public FunctionPass {

llvm/lib/Transforms/Utils/FlattenCFG.cpp

@@ -28,7 +28,7 @@
 
 using namespace llvm;
 
-#define DEBUG_TYPE "flattencfg"
+#define DEBUG_TYPE "flatten-cfg"
 
 namespace {
 

llvm/test/Transforms/Util/flattencfg.ll renamed to llvm/test/Transforms/Util/flatten-cfg.ll

@@ -1,5 +1,5 @@
 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2
-; RUN: opt -passes=flattencfg -S < %s | FileCheck %s
+; RUN: opt -passes=flatten-cfg -S < %s | FileCheck %s
 
 
 ; This test checks whether the pass completes without a crash.