Simplify test

Author: ostannard

llvm/test/CodeGen/AArch64/stack-tagging-merge-past-memcpy.mir

@@ -1,19 +1,14 @@
 # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 5
 # RUN: llc -mtriple=aarch64 -mattr=+mte -run-pass=prologepilog %s -o - | FileCheck %s
 --- |
-  source_filename = "<stdin>"
   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-none-elf"
 
   @glob = global [8 x i32] zeroinitializer, align 4
 
-  define dso_local void @F78(ptr %B) {
-  entry:
-    %0 = load i32, ptr %B, align 4
-    ret void
-  }
+  declare dso_local void @F78(ptr %B)
 
-  define void @F55() #0 {
+  define void @F55() sanitize_memtag "target-features"="+mte,+strict-align" {
   entry:
     %basetag = call ptr @llvm.aarch64.irg.sp(i64 0)
     %A = alloca i32, i32 8, align 16
@@ -37,140 +32,11 @@
   }
 
   declare void @F56(ptr)
-
-  declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1
-
-  declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1
-
-  declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #2
-
-  declare void @llvm.aarch64.settag(ptr nocapture writeonly, i64) #3
-
-  declare ptr @llvm.aarch64.irg.sp(i64) #4
-
-  declare ptr @llvm.aarch64.tagp.p0(ptr, ptr, i64 immarg) #5
-
-  declare void @llvm.aarch64.settag.zero(ptr nocapture writeonly, i64) #3
-
-  declare void @llvm.aarch64.stgp(ptr nocapture writeonly, i64, i64) #3
-
-  attributes #0 = { sanitize_memtag "target-features"="+mte,+strict-align" }
-  attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
-  attributes #2 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
-  attributes #3 = { nocallback nofree nosync nounwind willreturn memory(argmem: write) }
-  attributes #4 = { nocallback nofree nosync nounwind willreturn }
-  attributes #5 = { nocallback nofree nosync nounwind willreturn memory(none) }
-
-...
----
-name:            F78
-alignment:       4
-exposesReturnsTwice: false
-legalized:       false
-regBankSelected: false
-selected:        false
-failedISel:      false
-tracksRegLiveness: true
-hasWinCFI:       false
-noPhis:          true
-isSSA:           false
-noVRegs:         true
-hasFakeUses:     false
-callsEHReturn:   false
-callsUnwindInit: false
-hasEHCatchret:   false
-hasEHScopes:     false
-hasEHFunclets:   false
-isOutlined:      false
-debugInstrRef:   false
-failsVerification: false
-tracksDebugUserValues: true
-registers:       []
-liveins:         []
-frameInfo:
-  isFrameAddressTaken: false
-  isReturnAddressTaken: false
-  hasStackMap:     false
-  hasPatchPoint:   false
-  stackSize:       0
-  offsetAdjustment: 0
-  maxAlignment:    1
-  adjustsStack:    false
-  hasCalls:        false
-  stackProtector:  ''
-  functionContext: ''
-  maxCallFrameSize: 0
-  cvBytesOfCalleeSavedRegisters: 0
-  hasOpaqueSPAdjustment: false
-  hasVAStart:      false
-  hasMustTailInVarArgFunc: false
-  hasTailCall:     false
-  isCalleeSavedInfoValid: false
-  localFrameSize:  0
-  savePoint:       ''
-  restorePoint:    ''
-fixedStack:      []
-stack:           []
-entry_values:    []
-callSites:       []
-debugValueSubstitutions: []
-constants:       []
-machineFunctionInfo: {}
-body:             |
-  bb.0.entry:
-    ; CHECK-LABEL: name: F78
-    ; CHECK: RET_ReallyLR
-    RET_ReallyLR
-
 ...
 ---
 name:            F55
-alignment:       4
-exposesReturnsTwice: false
-legalized:       false
-regBankSelected: false
-selected:        false
-failedISel:      false
-tracksRegLiveness: true
-hasWinCFI:       false
-noPhis:          true
-isSSA:           false
-noVRegs:         true
-hasFakeUses:     false
-callsEHReturn:   false
-callsUnwindInit: false
-hasEHCatchret:   false
-hasEHScopes:     false
-hasEHFunclets:   false
-isOutlined:      false
-debugInstrRef:   false
-failsVerification: false
-tracksDebugUserValues: true
-registers:       []
-liveins:         []
 frameInfo:
-  isFrameAddressTaken: false
-  isReturnAddressTaken: false
-  hasStackMap:     false
-  hasPatchPoint:   false
-  stackSize:       0
-  offsetAdjustment: 0
-  maxAlignment:    16
   adjustsStack:    true
-  hasCalls:        true
-  stackProtector:  ''
-  functionContext: ''
-  maxCallFrameSize: 0
-  cvBytesOfCalleeSavedRegisters: 0
-  hasOpaqueSPAdjustment: false
-  hasVAStart:      false
-  hasMustTailInVarArgFunc: false
-  hasTailCall:     false
-  isCalleeSavedInfoValid: false
-  localFrameSize:  64
-  savePoint:       ''
-  restorePoint:    ''
-fixedStack:      []
 stack:
   - { id: 0, name: A, type: default, offset: 0, size: 32, alignment: 16,
       stack-id: default, callee-saved-register: '', callee-saved-restored: true,
@@ -180,11 +46,6 @@ stack:
       stack-id: default, callee-saved-register: '', callee-saved-restored: true,
       local-offset: -64, debug-info-variable: '', debug-info-expression: '',
       debug-info-location: '' }
-entry_values:    []
-callSites:       []
-debugValueSubstitutions: []
-constants:       []
-machineFunctionInfo: {}
 body:             |
   bb.0.entry:
     ; CHECK-LABEL: name: F55