Clean up the test case

Author: ssijaric-nv

llvm/test/CodeGen/AArch64/aarch64-large-stack-spbump.mir

@@ -1,12 +1,6 @@
 # RUN: llc -mtriple=aarch64 -run-pass=prologepilog %s -o - | FileCheck %s
 --- |
-  ; ModuleID = 'bug.c'
-  source_filename = "bug.c"
-  target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128-Fn32"
-  target triple = "aarch64-unknown-linux-gnu"
- 
-  ; Function Attrs: mustprogress noinline optnone uwtable
-  define dso_local noundef i32 @_Z4funcv() #0 {
+  define i32 @_Z4funcv() {
   entry:
     %array = alloca [1073741824 x i32], align 4
     %arrayidx = getelementptr inbounds [1073741824 x i32], ptr %array, i64 0, i64 20
@@ -17,10 +11,7 @@
     ret i32 %0
   }
 
-  declare void @_Z5func2v() #1
- 
-  attributes #0 = { mustprogress noinline optnone uwtable "frame-pointer"="non-leaf" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+fp-armv8,+neon,+outline-atomics,+v8a,-fmv" }
-  attributes #1 = { "frame-pointer"="non-leaf" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+fp-armv8,+neon,+outline-atomics,+v8a,-fmv" }
+  declare void @_Z5func2v()
 ...
 ---
 name:            _Z4funcv
@@ -49,7 +40,7 @@ body:             |
     BL @_Z5func2v, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp
     ADJCALLSTACKUP 0, 0, implicit-def $sp, implicit $sp
     renamable $w0 = LDRWui %stack.0.array, 20 :: (dereferenceable load (s32) from %ir.arrayidx1)
-    ; CHECK: early-clobber $sp, $fp, $lr = frame-destroy LDPXpost $sp
+    ; CHECK: early-clobber $sp, $fp, $lr = frame-destroy LDPXpost $sp, 2
     RET_ReallyLR implicit killed $w0
 
 ...