Remove unused arguments

Author: leewei05

llvm/test/Transforms/SCCP/switch-constantfold-crash.ll

@@ -2,9 +2,8 @@
 ; RUN: opt -passes=ipsccp < %s -S | FileCheck %s
 ; RUN: opt -passes='ipsccp,ipsccp' < %s -S | FileCheck %s
 
-define void @barney(i1 %arg) {
-; CHECK-LABEL: define {{[^@]+}}@barney
-; CHECK-SAME: (i1 [[ARG:%.*]]) {
+define void @barney() {
+; CHECK-LABEL: define {{[^@]+}}@barney() {
 ; CHECK-NEXT:  bb:
 ; CHECK-NEXT:    br label [[BB9:%.*]]
 ; CHECK:       bb6:
@@ -27,9 +26,8 @@ bb9:                                              ; preds = %bb
   ]
 }
 
-define void @blam(i1 %arg) {
-; CHECK-LABEL: define {{[^@]+}}@blam
-; CHECK-SAME: (i1 [[ARG:%.*]]) {
+define void @blam() {
+; CHECK-LABEL: define {{[^@]+}}@blam() {
 ; CHECK-NEXT:  bb:
 ; CHECK-NEXT:    br label [[BB16:%.*]]
 ; CHECK:       bb16:

llvm/test/Transforms/SimpleLoopUnswitch/delete-dead-blocks.ll

@@ -6,7 +6,7 @@
 declare void @foo()
 
 ; CHECK-LABEL: @Test
-define void @Test(i32, i1 %arg) {
+define void @Test(i32) {
 entry:
   br label %outer
 outer:

llvm/test/Transforms/Sink/dead-user.ll

@@ -1,4 +1,4 @@
-; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: -p --version 3
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 3
 ; Compiler should not be broken with a dead user.
 ; RUN: opt -passes=sink -S < %s | FileCheck %s
 

llvm/test/Transforms/StructurizeCFG/loop-continue-phi.ll

@@ -1,4 +1,4 @@
-; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: -p
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
 ; RUN: opt -S -o - -structurizecfg < %s | FileCheck %s
 
 define void @test1(i1 %arg) {