xref: /llvm-project/llvm/test/CodeGen/X86/attr-function-return.mir (revision 2240d72f15f3b7b9d9fb65450f9bf635fd310f6f) 
1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
2# RUN: llc --mtriple=x86_64-linux-gnu -run-pass=x86-return-thunks \
3# RUN:   -verify-machineinstrs %s -o - | FileCheck %s
4--- |
5  ; ModuleID = 'y.ll'
6  source_filename = "y.ll"
7  target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
8
9  define void @x() #0 {
10    ret void
11  }
12
13  attributes #0 = { fn_ret_thunk_extern }
14
15...
16---
17name:            x
18alignment:       16
19exposesReturnsTwice: false
20legalized:       false
21regBankSelected: false
22selected:        false
23failedISel:      false
24tracksRegLiveness: true
25hasWinCFI:       false
26failsVerification: false
27tracksDebugUserValues: true
28registers:       []
29liveins:         []
30frameInfo:
31  isFrameAddressTaken: false
32  isReturnAddressTaken: false
33  hasStackMap:     false
34  hasPatchPoint:   false
35  stackSize:       0
36  offsetAdjustment: 0
37  maxAlignment:    1
38  adjustsStack:    false
39  hasCalls:        false
40  stackProtector:  ''
41  maxCallFrameSize: 0
42  cvBytesOfCalleeSavedRegisters: 0
43  hasOpaqueSPAdjustment: false
44  hasVAStart:      false
45  hasMustTailInVarArgFunc: false
46  hasTailCall:     false
47  localFrameSize:  0
48  savePoint:       ''
49  restorePoint:    ''
50fixedStack:      []
51stack:           []
52callSites:       []
53debugValueSubstitutions: []
54constants:       []
55machineFunctionInfo: {}
56body:             |
57  bb.0 (%ir-block.0):
58    ; CHECK-LABEL: name: x
59    ; CHECK: TAILJMPd &__x86_return_thunk, implicit $esp, implicit $ssp
60    RET64
61
62...
63