[Test] Underscored simplify_cfg_simplify_block_args.

Use underscores rather than hyphens so that text editors understand the
name as a single word.

Author: nate-chandler

lib/SILOptimizer/Transforms/SimplifyCFG.cpp

@@ -3680,7 +3680,7 @@ namespace swift::test {
 /// Dumps:
 /// - nothing
 static FunctionTest SimplifyCFGSimplifyBlockArgs(
-    "simplify-cfg-simplify-block-args",
+    "simplify_cfg_simplify_block_args",
     [](auto &function, auto &arguments, auto &test) {
       auto *passToRun = cast<SILFunctionTransform>(createSimplifyCFG());
       passToRun->injectPassManager(test.getPassManager());

test/SILOptimizer/simplify_cfg_ossa_bbargs.sil

@@ -22,7 +22,7 @@ sil @use_klass : $@convention(thin) (@guaranteed Klass) -> ()
 // CHECK-LABEL: } // end sil function 'test_simplify_args1'
 sil [ossa] @test_simplify_args1 : $@convention(thin) (@owned Klass) -> () {
 bb0(%0 : @owned $Klass):
-  specify_test "simplify-cfg-simplify-block-args"
+  specify_test "simplify_cfg_simplify_block_args"
   %1 = begin_borrow %0 : $Klass
   br bb1(%1 : $Klass)
 
@@ -41,7 +41,7 @@ bb2(%5 : @guaranteed $Klass):
 // CHECK-LABEL: } // end sil function 'test_simplify_args2'
 sil [ossa] @test_simplify_args2 : $@convention(thin) (@owned Klass, @owned Klass) -> () {
 bb0(%0 : @owned $Klass, %1 : @owned $Klass):
-  specify_test "simplify-cfg-simplify-block-args"
+  specify_test "simplify_cfg_simplify_block_args"
   cond_br undef, bb1, bb2
 
 bb1:
@@ -65,7 +65,7 @@ bb3(%4 : @guaranteed $Klass):
 // CHECK-LABEL: } // end sil function 'test_simplify_args3'
 sil [ossa] @test_simplify_args3 : $@convention(thin) (@owned Klass, @owned Klass) -> () {
 bb0(%0 : @owned $Klass, %1 : @owned $Klass):
-  specify_test "simplify-cfg-simplify-block-args"
+  specify_test "simplify_cfg_simplify_block_args"
   cond_br undef, bb1, bb2
 
 bb1:
@@ -87,7 +87,7 @@ bb3(%4 : @owned $Klass):
 // CHECK-LABEL: } // end sil function 'test_simplify_args4'
 sil [ossa] @test_simplify_args4 : $@convention(thin) (@owned Klass, @owned Klass) -> () {
 bb0(%0 : @owned $Klass, %1 : @owned $Klass):
-  specify_test "simplify-cfg-simplify-block-args"
+  specify_test "simplify_cfg_simplify_block_args"
   cond_br undef, bb1, bb2
 
 bb1:
@@ -109,7 +109,7 @@ bb3(%4 : @owned $Klass):
 // CHECK-LABEL: } // end sil function 'test_simplify_args5'
 sil [ossa] @test_simplify_args5 : $@convention(thin) (@owned Klass, @owned Klass) -> () {
 bb0(%0 : @owned $Klass, %1 : @owned $Klass):
-  specify_test "simplify-cfg-simplify-block-args"
+  specify_test "simplify_cfg_simplify_block_args"
   %2 = begin_borrow %0 : $Klass
   cond_br undef, bb1, bb2
 
@@ -132,7 +132,7 @@ bb3(%4 : @guaranteed $Klass):
 // CHECK-LABEL: } // end sil function 'test_simplify_args6'
 sil [ossa] @test_simplify_args6 : $@convention(thin) (@owned Klass) -> () {
 bb0(%0 : @owned $Klass):
-  specify_test "simplify-cfg-simplify-block-args"
+  specify_test "simplify_cfg_simplify_block_args"
   %1 = enum $FakeOptional<Klass>, #FakeOptional.some!enumelt, %0 : $Klass
   br bb1(%1 : $FakeOptional<Klass>)
 
@@ -156,7 +156,7 @@ bb4:
 // CHECK-LABEL: } // end sil function 'test_simplify_args7'
 sil [ossa] @test_simplify_args7 : $@convention(thin) (@owned Klass) -> () {
 bb0(%0 : @owned $Klass):
-  specify_test "simplify-cfg-simplify-block-args"
+  specify_test "simplify_cfg_simplify_block_args"
   %1 = enum $FakeOptional<Klass>, #FakeOptional.some!enumelt, %0 : $Klass
   br bb1(%1 : $FakeOptional<Klass>)