llvm/test/CodeGen/RISCV/rda-liveins.mir

# RUN: llc %s -mtriple=riscv64 --passes='print<reaching-def>'  -o - 2>&1 | FileCheck %s

---
name:            test0
tracksRegLiveness: true
body:             |
  ; CHECK-LABEL: Reaching definitions for for machine function: test0
  ; CHECK-NEXT: %bb.0:
  ; CHECK-NEXT: implicit $x10:{ }
  ; CHECK-NEXT: 0: PseudoRET implicit $x10

  bb.0.entry:
    liveins: $x10
    PseudoRET implicit $x10

...

---
name:            test1
tracksRegLiveness: true
body:             |
  ; CHECK-LABEL: Reaching definitions for for machine function: test1
  ; CHECK-NEXT: %bb.0:
  ; CHECK-NEXT: $x10:{ }
  ; CHECK-NEXT: 0: $x10 = ADDI $x10, 1
  ; CHECK-EMPTY: 
  ; CHECK-NEXT: implicit $x10:{ 0 }
  ; CHECK-NEXT: 1: PseudoRET implicit $x10
  bb.0.entry:
    liveins: $x10
    $x10 = ADDI $x10, 1
    PseudoRET implicit $x10

...

---
name:            test2
tracksRegLiveness: true
body:             |
  ; CHECK-LABEL: Reaching definitions for for machine function: test2
  ; CHECK-NEXT: %bb.0:
  ; CHECK-NEXT: $x10:{ }
  ; CHECK-NEXT: $x0:{ }
  ; CHECK-NEXT: 0: BEQ $x10, $x0, %bb.2
  ; CHECK-EMPTY: 
  ; CHECK-NEXT: %bb.1:
  ; CHECK-NEXT: $x10:{ }
  ; CHECK-NEXT: 1: $x10 = ADDI $x10, 1
  ; CHECK-EMPTY: 
  ; CHECK-NEXT: implicit $x10:{ 1 }
  ; CHECK-NEXT: 2: PseudoRET implicit $x10
  ; CHECK-EMPTY: 
  ; CHECK-NEXT: %bb.2
  ; CHECK-NEXT: implicit $x10:{ }
  ; CHECK-NEXT: 3: PseudoRET implicit $x10
  bb.0.entry:
    liveins: $x10
    BEQ $x10, $x0, %bb.2

  bb.1:
    liveins: $x10
    $x10 = ADDI $x10, 1
    PseudoRET implicit $x10

  bb.2:
    liveins: $x10
    PseudoRET implicit $x10
...

---
name:            test3
tracksRegLiveness: true
stack:
  - { id: 0, name: '', type: default, offset: 0, size: 8, alignment: 8,
      stack-id: default, callee-saved-register: '', callee-saved-restored: true,
      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
body:             |
  ; CHECK-LABEL: Reaching definitions for for machine function: test3
  ; CHECK-NEXT: %bb.0:
  ; CHECK-NEXT: $x10:{ }
  ; CHECK-NEXT: $x0:{ }
  ; CHECK-NEXT: 0: BEQ $x10, $x0, %bb.2
  ; CHECK-EMPTY: 
  ; CHECK-NEXT: %bb.1:
  ; CHECK-NEXT: $x10:{ }
  ; CHECK-NEXT: 1: $x10 = ADDI $x10, 1
  ; CHECK-EMPTY: 
  ; CHECK-NEXT: 2: PseudoBR %bb.3
  ; CHECK-EMPTY: 
  ; CHECK-NEXT: %bb.2:
  ; CHECK-NEXT: $x10:{ }
  ; CHECK-NEXT: %stack.0:{ }
  ; CHECK-NEXT: 3: SD $x10, %stack.0, 0 :: (store (s64))
  ; CHECK-EMPTY: 
  ; CHECK-NEXT: 4: PseudoBR %bb.3
  ; CHECK-EMPTY: 
  ; CHECK-NEXT: %bb.3:
  ; CHECK-NEXT: implicit $x10:{ 1 }
  ; CHECK-NEXT: 5: PseudoRET implicit $x10
  bb.0.entry:
    liveins: $x10
    BEQ $x10, $x0, %bb.2

  bb.1:
    liveins: $x10
    $x10 = ADDI $x10, 1
    PseudoBR %bb.3

  bb.2:
    liveins: $x10
    SD $x10, %stack.0, 0 :: (store (s64))
    PseudoBR %bb.3

  bb.3:
    liveins: $x10
    PseudoRET implicit $x10
...