llvm/test/CodeGen/MIR/Generic/basic-blocks.mir

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

--- |

  define i32 @foo() {
  entry:
    ret i32 0
  }

  define i32 @bar() {
  start:
    ret i32 0
  }

  define i32 @test() {
  start:
    ret i32 0
  }

  define i32 @maxbytes() {
  start:
    ret i32 0
  }

  define i32 @maxbytesmax() {
  start:
    ret i32 0
  }

...
---
# CHECK-LABEL: name: foo
# CHECK: body:
# CHECK-NEXT: bb.0.entry:
name:            foo
body: |
  bb.0.entry:
...
---
# CHECK-LABEL: name: bar
# CHECK: body:
# CHECK-NEXT: bb.0.start (align 4):
# CHECK:      bb.1 (machine-block-address-taken):
name:            bar
body: |
  bb.0.start (align 4):
  bb.1 (machine-block-address-taken):
...
---
# CHECK-LABEL: name: test
# CHECK: body:
# CHECK-NEXT: bb.0.start (machine-block-address-taken, align 4):
# CHECK:      bb.1 (machine-block-address-taken, align 4):
name:            test
body: |
  bb.0.start (align 4, machine-block-address-taken):
  bb.1 (machine-block-address-taken, align 4):
...
---
# CHECK-LABEL: name: maxbytes
# CHECK: body:
# CHECK-NEXT: bb.0.start (align 32, max-bytes-for-alignment 8):
# CHECK:      bb.1 (align 32, max-bytes-for-alignment 8):
# CHECK:      bb.2 (align 16):
name:            maxbytes
body: |
  bb.0.start (align 32, max-bytes-for-alignment 8):
  bb.1 (max-bytes-for-alignment 8, align 32):
  bb.2 (align 16):
...
---
# CHECK-LABEL: name: maxbytesmax
# CHECK: body:
# CHECK-NEXT: bb.0.start (align 4, max-bytes-for-alignment 4294967295):
name:            maxbytesmax
body: |
  bb.0.start (align 4, max-bytes-for-alignment 4294967295):
...