llvm/test/CodeGen/RISCV/machineoutliner.mir

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

--- |
  define i32 @outline_0(i32 %a, i32 %b) { ret i32 0 }

  define i32 @outline_1(i32 %a, i32 %b) { ret i32 0 }

  define i32 @outline_2(i32 %a, i32 %b) { ret i32 0 }

  ; Should not outline linkonce_odr functions which could be deduplicated by the
  ; linker.
  define linkonce_odr i32 @dont_outline_0(i32 %a, i32 %b) { ret i32 0 }

  ; Should not outline functions with named linker sections
  define i32 @dont_outline_1(i32 %a, i32 %b) section "named" { ret i32 0 }

  ; Cannot outline if the X5 (t0) register is not free
  define i32 @dont_outline_2(i32 %a, i32 %b) { ret i32 0 }

...
---
name:            outline_0
tracksRegLiveness: true
isOutlined: false
body:             |
  bb.0:
    liveins: $x10, $x11
    ; RV32I-MO-LABEL: name: outline_0
    ; RV32I-MO:         PseudoTAIL target-flags(riscv-call) @OUTLINED_FUNCTION_0, implicit $x2, implicit-def $x10, implicit-def $x11, implicit-def $x12, implicit $x2, implicit $x10, implicit $x11
    ;
    ; RV64I-MO-LABEL: name: outline_0
    ; RV64I-MO:         PseudoTAIL target-flags(riscv-call) @OUTLINED_FUNCTION_0, implicit $x2, implicit-def $x10, implicit-def $x11, implicit-def $x12, implicit $x2, implicit $x10, implicit $x11
    $x11 = ORI $x11, 1023
    $x12 = ADDI $x10, 17
    $x11 = AND $x12, $x11
    $x10 = SUB $x10, $x11
    PseudoRET implicit $x10

...
---
name:            outline_1
tracksRegLiveness: true
isOutlined: false
body:             |
  bb.0:
    liveins: $x10, $x11
    ; RV32I-MO-LABEL: name: outline_1
    ; RV32I-MO:         PseudoTAIL target-flags(riscv-call) @OUTLINED_FUNCTION_0, implicit $x2, implicit-def $x10, implicit-def $x11, implicit-def $x12, implicit $x2, implicit $x10, implicit $x11
    ;
    ; RV64I-MO-LABEL: name: outline_1
    ; RV64I-MO:         PseudoTAIL target-flags(riscv-call) @OUTLINED_FUNCTION_0, implicit $x2, implicit-def $x10, implicit-def $x11, implicit-def $x12, implicit $x2, implicit $x10, implicit $x11
    $x11 = ORI $x11, 1023
    $x12 = ADDI $x10, 17
    $x11 = AND $x12, $x11
    $x10 = SUB $x10, $x11
    PseudoRET implicit $x10

...
---
name:            outline_2
tracksRegLiveness: true
isOutlined: false
body:             |
  bb.0:
    liveins: $x10, $x11
    ; RV32I-MO-LABEL: name: outline_2
    ; RV32I-MO:         PseudoTAIL target-flags(riscv-call) @OUTLINED_FUNCTION_0, implicit $x2, implicit-def $x10, implicit-def $x11, implicit-def $x12, implicit $x2, implicit $x10, implicit $x11
    ;
    ; RV64I-MO-LABEL: name: outline_2
    ; RV64I-MO:         PseudoTAIL target-flags(riscv-call) @OUTLINED_FUNCTION_0, implicit $x2, implicit-def $x10, implicit-def $x11, implicit-def $x12, implicit $x2, implicit $x10, implicit $x11
    $x11 = ORI $x11, 1023
    $x12 = ADDI $x10, 17
    $x11 = AND $x12, $x11
    $x10 = SUB $x10, $x11
    PseudoRET implicit $x10

...
---
name:            dont_outline_0
tracksRegLiveness: true
isOutlined: false
body:             |
  bb.0:
    liveins: $x10, $x11
    ; RV32I-MO-LABEL: name: dont_outline_0
    ; RV32I-MO-NOT: $x5 = PseudoCALLReg {{.*}} @OUTLINED_FUNCTION_0
    ; RV32I-MO-NOT: PseudoTAIL @OUTLINED_FUNCTION_0, implicit $x2, implicit-def $x10, implicit-def $x11, implicit-def $x12, implicit $x2, implicit $x10, implicit $x11
    ;
    ; RV64I-MO-LABEL: name: dont_outline_0
    ; RV64I-MO-NOT: $x5 = PseudoCALLReg {{.*}} @OUTLINED_FUNCTION_0
    ; RV64I-MO-NOT: PseudoTAIL @OUTLINED_FUNCTION_0, implicit $x2, implicit-def $x10, implicit-def $x11, implicit-def $x12, implicit $x2, implicit $x10, implicit $x11
    $x11 = ORI $x11, 1023
    $x12 = ADDI $x10, 17
    $x11 = AND $x12, $x11
    $x10 = SUB $x10, $x11
    PseudoRET implicit $x10

...
---
name:            dont_outline_1
tracksRegLiveness: true
isOutlined: false
body:             |
  bb.0:
    liveins: $x10, $x11
    ; RV32I-MO-LABEL: name: dont_outline_1
    ; RV32I-MO-NOT: $x5 = PseudoCALLReg {{.*}} @OUTLINED_FUNCTION_0
    ; RV32I-MO-NOT: PseudoTAIL @OUTLINED_FUNCTION_0, implicit $x2, implicit-def $x10, implicit-def $x11, implicit-def $x12, implicit $x2, implicit $x10, implicit $x11
    ;
    ; RV64I-MO-LABEL: name: dont_outline_1
    ; RV64I-MO-NOT: $x5 = PseudoCALLReg {{.*}} @OUTLINED_FUNCTION_0
    ; RV64I-MO-NOT: PseudoTAIL @OUTLINED_FUNCTION_0, implicit $x2, implicit-def $x10, implicit-def $x11, implicit-def $x12, implicit $x2, implicit $x10, implicit $x11
    $x11 = ORI $x11, 1023
    $x12 = ADDI $x10, 17
    $x11 = AND $x12, $x11
    $x10 = SUB $x10, $x11
    PseudoRET implicit $x10

...
---
name:            dont_outline_2
tracksRegLiveness: true
isOutlined: false
body:             |
  bb.0:
    liveins: $x10, $x11, $x5
    ; RV32I-MO-LABEL: name: dont_outline_2
    ; RV32I-MO-NOT: $x5 = PseudoCALLReg {{.*}} @OUTLINED_FUNCTION_0
    ; RV32I-MO-NOT: PseudoTAIL @OUTLINED_FUNCTION_0, implicit $x2, implicit-def $x10, implicit-def $x11, implicit-def $x12, implicit $x2, implicit $x10, implicit $x11
    ;
    ; RV64I-MO-LABEL: name: dont_outline_2
    ; RV64I-MO-NOT: $x5 = PseudoCALLReg {{.*}} @OUTLINED_FUNCTION_0
    ; RV64I-MO-NOT: PseudoTAIL @OUTLINED_FUNCTION_0, implicit $x2, implicit-def $x10, implicit-def $x11, implicit-def $x12, implicit $x2, implicit $x10, implicit $x11
    $x11 = ORI $x11, 1023
    $x12 = ADDI $x10, 17
    $x11 = AND $x12, $x11
    $x10 = SUB $x10, $x11
    $x10 = ADD $x10, $x5
    PseudoRET implicit $x10

...

# CHECK-LABEL: name: OUTLINED_FUNCTION_0
# CHECK: isOutlined: true