llvm-project/llvm/test/CodeGen/MIR/Generic/frame-info.mir

# RUN: llc -run-pass none -o - %s | FileCheck %s
# This test ensures that the MIR parser parses machine frame info properties
# correctly.

--- |

  define i32 @test(i32 %a) {
  entry:
    %b = alloca i32
    store i32 %a, i32* %b
    %c = load i32, i32* %b
    ret i32 %c
  }

  define i32 @test2(i32 %a) {
  entry:
    %b = alloca i32
    store i32 %a, i32* %b
    %c = load i32, i32* %b
    ret i32 %c
  }

...
---
name:            test
tracksRegLiveness: true

# CHECK: frameInfo:
# CHECK-NEXT: isFrameAddressTaken: false
# CHECK-NEXT: isReturnAddressTaken: false
# CHECK-NEXT: hasStackMap: false
# CHECK-NEXT: hasPatchPoint: false
# CHECK-NEXT: stackSize: 0
# CHECK-NEXT: offsetAdjustment: 0
# Note: max alignment can be target specific when printed.
# CHECK-NEXT: maxAlignment:
# CHECK-NEXT: adjustsStack: false
# CHECK-NEXT: hasCalls: false
# CHECK-NEXT: stackProtector:  ''
# CHECK-NEXT: maxCallFrameSize:
# CHECK-NEXT: hasOpaqueSPAdjustment: false
# CHECK-NEXT: hasVAStart: false
# CHECK-NEXT: hasMustTailInVarArgFunc: false
# CHECK-NEXT: savePoint:       ''
# CHECK-NEXT: restorePoint:    ''
# CHECK: body
frameInfo:
  maxAlignment:    4
body: |
  bb.0.entry:
...
---
name:            test2
tracksRegLiveness: true

# CHECK: test2
# CHECK: frameInfo:
# CHECK-NEXT: isFrameAddressTaken: true
# CHECK-NEXT: isReturnAddressTaken: true
# CHECK-NEXT: hasStackMap: true
# CHECK-NEXT: hasPatchPoint: true
# CHECK-NEXT: stackSize: 4
# CHECK-NEXT: offsetAdjustment: 4
# Note: max alignment can be target specific when printed.
# CHECK-NEXT: maxAlignment:
# CHECK-NEXT: adjustsStack: true
# CHECK-NEXT: hasCalls: true
# CHECK-NEXT: stackProtector:  ''
# CHECK-NEXT: maxCallFrameSize: 4
# CHECK-NEXT: hasOpaqueSPAdjustment: true
# CHECK-NEXT: hasVAStart: true
# CHECK-NEXT: hasMustTailInVarArgFunc: true
# CHECK: body
frameInfo:
  isFrameAddressTaken: true
  isReturnAddressTaken: true
  hasStackMap:     true
  hasPatchPoint:   true
  stackSize:       4
  offsetAdjustment: 4
  maxAlignment:    4
  adjustsStack:    true
  hasCalls:        true
  maxCallFrameSize: 4
  hasOpaqueSPAdjustment: true
  hasVAStart:      true
  hasMustTailInVarArgFunc: true
body: |
  bb.0.entry:
...