[NewPM][test] Strickly use -passes in some more lit tests

Removed/replaced RUN lines using legacy PM syntax in favor of using
-passes in lit tests for Float2Int, MetaRenamer, StripDeadPrototypes
and StripSymbols.

llvm/test/Transforms/Float2Int/basic.ll

@@ -1,5 +1,4 @@
 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
-; RUN: opt < %s -float2int -S | FileCheck %s
 ; RUN: opt < %s -passes='float2int' -S | FileCheck %s
 
 ;

llvm/test/Transforms/Float2Int/float2int-optnone.ll

@@ -1,4 +1,4 @@
-; RUN: opt < %s -float2int -S | FileCheck %s
+; RUN: opt < %s -passes=float2int -S | FileCheck %s
 ;
 ; Verify that pass float2int is not run on optnone functions.
 

llvm/test/Transforms/Float2Int/toolarge.ll

@@ -1,4 +1,4 @@
-; RUN: opt < %s -float2int -float2int-max-integer-bw=256 -S | FileCheck %s
+; RUN: opt < %s -passes=float2int -float2int-max-integer-bw=256 -S | FileCheck %s
 
 ; CHECK-LABEL: @neg_toolarge
 ; CHECK:  %1 = uitofp i80 %a to fp128

llvm/test/Transforms/MetaRenamer/main.ll

@@ -1,5 +1,4 @@
 ; Make sure @main is left untouched.
-; RUN: opt -metarenamer -S %s | FileCheck %s
 ; RUN: opt -passes=metarenamer -S %s | FileCheck %s
 
 ; CHECK: define void @main

llvm/test/Transforms/MetaRenamer/metarenamer.ll

@@ -1,4 +1,3 @@
-; RUN: opt -metarenamer -S < %s | FileCheck %s
 ; RUN: opt -passes=metarenamer -S < %s | FileCheck %s
 
 ; CHECK: target triple {{.*}}

llvm/test/Transforms/StripDeadPrototypes/basic.ll

@@ -1,4 +1,3 @@
-; RUN: opt -strip-dead-prototypes -S -o - < %s | FileCheck %s
 ; RUN: opt -S -passes=strip-dead-prototypes < %s | FileCheck %s
 
 ; CHECK: declare i32 @f

llvm/test/Transforms/StripSymbols/2007-01-15-llvm.used.ll

@@ -1,4 +1,3 @@
-; RUN: opt < %s -strip -S | FileCheck %s
 ; RUN: opt < %s -passes=strip -S | FileCheck %s
 
 ; CHECK: foo

llvm/test/Transforms/StripSymbols/2010-08-25-crash.ll

@@ -1,4 +1,4 @@
-; RUN: opt -strip-dead-debug-info -disable-output < %s
+; RUN: opt -passes=strip-dead-debug-info -disable-output < %s
 source_filename = "test/Transforms/StripSymbols/2010-08-25-crash.ll"
 
 ; Function Attrs: nounwind ssp

llvm/test/Transforms/StripSymbols/block-address.ll

@@ -1,4 +1,4 @@
-; RUN: opt -strip -S < %s | FileCheck %s
+; RUN: opt -passes=strip -S < %s | FileCheck %s
 ; PR10286
 
 @main_addrs = constant [2 x i8*] [i8* blockaddress(@f, %FOO), i8* blockaddress(@f, %BAR)]

llvm/test/Transforms/StripSymbols/strip-cov.ll

@@ -1,4 +1,4 @@
-; RUN: opt -S %s -strip -o - | FileCheck %s
+; RUN: opt -S %s -passes=strip -o - | FileCheck %s
 
 ; CHECK-NOT: !llvm.dbg.cu
 ; CHECK-NOT: !llvm.gcov

llvm/test/Transforms/StripSymbols/strip-dead-debug-info.ll

@@ -1,4 +1,3 @@
-; RUN: opt -strip-dead-debug-info -verify %s -S | FileCheck %s
 ; RUN: opt -passes='strip-dead-debug-info,verify' %s -S | FileCheck %s
 
 ; CHECK: ModuleID = '{{.*}}'