machine-outliner-cfi.mir | Explore in Territory

# RUN: llc -mtriple=riscv32 -x mir -run-pass=machine-outliner -simplify-mir -verify-machineinstrs < %s \
# RUN: | FileCheck -check-prefixes=OUTLINED,RV32I-MO %s
# RUN: llc -mtriple=riscv64 -x mir -run-pass=machine-outliner -simplify-mir -verify-machineinstrs < %s \
# RUN: | FileCheck -check-prefixes=OUTLINED,RV64I-MO %s

# CFIs are invisible (they can be outlined, but won't actually impact the outlining result) if there
# is no need to unwind. CFIs will be stripped when we build outlined functions.

--- |
  define void @func1(i32 %a, i32 %b) nounwind { ret void }

  define void @func2(i32 %a, i32 %b) nounwind { ret void }

  define void @func3(i32 %a, i32 %b) nounwind { ret void }
...
---
name:            func1
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $x10, $x11
    ; RV32I-MO-LABEL: name: func1
    ; RV32I-MO: liveins: $x10, $x11
    ; RV32I-MO-NEXT: {{  $}}
    ; RV32I-MO-NEXT: $x5 = PseudoCALLReg target-flags(riscv-call) @OUTLINED_FUNCTION_0, implicit-def $x5, implicit-def $x10, implicit-def $x11, implicit-def $x12, implicit $x10, implicit $x11
    ; RV32I-MO-NEXT: PseudoRET
    ; RV64I-MO-LABEL: name: func1
    ; RV64I-MO: liveins: $x10, $x11
    ; RV64I-MO-NEXT: {{  $}}
    ; RV64I-MO-NEXT: $x5 = PseudoCALLReg target-flags(riscv-call) @OUTLINED_FUNCTION_0, implicit-def $x5, implicit-def $x10, implicit-def $x11, implicit-def $x12, implicit $x10, implicit $x11
    ; RV64I-MO-NEXT: PseudoRET
    $x10 = ORI $x10, 1023
    CFI_INSTRUCTION offset $x1, 0
    $x11 = ORI $x11, 1023
    CFI_INSTRUCTION offset $x1, -4
    $x12 = ADDI $x10, 17
    CFI_INSTRUCTION offset $x1, -8
    $x11 = AND $x12, $x11
    CFI_INSTRUCTION offset $x1, -12
    $x10 = SUB $x10, $x11
    PseudoRET
...
---
name:            func2
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $x10, $x11
    ; RV32I-MO-LABEL: name: func2
    ; RV32I-MO: liveins: $x10, $x11
    ; RV32I-MO-NEXT: {{  $}}
    ; RV32I-MO-NEXT: $x5 = PseudoCALLReg target-flags(riscv-call) @OUTLINED_FUNCTION_0, implicit-def $x5, implicit-def $x10, implicit-def $x11, implicit-def $x12, implicit $x10, implicit $x11
    ; RV32I-MO-NEXT: PseudoRET
    ; RV64I-MO-LABEL: name: func2
    ; RV64I-MO: liveins: $x10, $x11
    ; RV64I-MO-NEXT: {{  $}}
    ; RV64I-MO-NEXT: $x5 = PseudoCALLReg target-flags(riscv-call) @OUTLINED_FUNCTION_0, implicit-def $x5, implicit-def $x10, implicit-def $x11, implicit-def $x12, implicit $x10, implicit $x11
    ; RV64I-MO-NEXT: PseudoRET
    $x10 = ORI $x10, 1023
    CFI_INSTRUCTION offset $x1, 0
    $x11 = ORI $x11, 1023
    CFI_INSTRUCTION offset $x1, -8
    $x12 = ADDI $x10, 17
    CFI_INSTRUCTION offset $x1, -4
    $x11 = AND $x12, $x11
    CFI_INSTRUCTION offset $x1, -12
    $x10 = SUB $x10, $x11
    PseudoRET
...
---
name:            func3
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $x10, $x11
    ; RV32I-MO-LABEL: name: func3
    ; RV32I-MO: liveins: $x10, $x11
    ; RV32I-MO-NEXT: {{  $}}
    ; RV32I-MO-NEXT: $x5 = PseudoCALLReg target-flags(riscv-call) @OUTLINED_FUNCTION_0, implicit-def $x5, implicit-def $x10, implicit-def $x11, implicit-def $x12, implicit $x10, implicit $x11
    ; RV32I-MO-NEXT: PseudoRET
    ; RV64I-MO-LABEL: name: func3
    ; RV64I-MO: liveins: $x10, $x11
    ; RV64I-MO-NEXT: {{  $}}
    ; RV64I-MO-NEXT: $x5 = PseudoCALLReg target-flags(riscv-call) @OUTLINED_FUNCTION_0, implicit-def $x5, implicit-def $x10, implicit-def $x11, implicit-def $x12, implicit $x10, implicit $x11
    ; RV64I-MO-NEXT: PseudoRET
    $x10 = ORI $x10, 1023
    CFI_INSTRUCTION offset $x1, -12
    $x11 = ORI $x11, 1023
    CFI_INSTRUCTION offset $x1, -8
    $x12 = ADDI $x10, 17
    CFI_INSTRUCTION offset $x1, -4
    $x11 = AND $x12, $x11
    CFI_INSTRUCTION offset $x1, 0
    $x10 = SUB $x10, $x11
    PseudoRET


# OUTLINED-LABEL: name: OUTLINED_FUNCTION_0
# OUTLINED: liveins: $x11, $x10, $x5
# OUTLINED-NEXT: {{  $}}
# OUTLINED-NEXT: $x10 = ORI $x10, 1023
# OUTLINED-NEXT: $x11 = ORI $x11, 1023
# OUTLINED-NEXT: $x12 = ADDI $x10, 17
# OUTLINED-NEXT: $x11 = AND $x12, $x11
# OUTLINED-NEXT: $x10 = SUB $x10, $x11
# OUTLINED-NEXT: $x0 = JALR $x5, 0
llvm/llvm/test/CodeGen/RISCV/machine-outliner-cfi.mir
