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view test/CodeGen/RISCV/sext-zext-trunc.ll @ 146:3fc4d5c3e21e

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set tail call flag for code segment in CGCAll
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Sun, 23 Dec 2018 19:23:36 +0900
parents 3a76565eade5
children c2174574ed3a
line wrap: on
line source

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=riscv32 -verify-machineinstrs < %s \
; RUN:   | FileCheck %s -check-prefix=RV32I

define i8 @sext_i1_to_i8(i1 %a) {
; RV32I-LABEL: sext_i1_to_i8:
; RV32I:       # %bb.0:
; RV32I-NEXT:    andi a0, a0, 1
; RV32I-NEXT:    neg a0, a0
; RV32I-NEXT:    ret
  %1 = sext i1 %a to i8
  ret i8 %1
}

define i16 @sext_i1_to_i16(i1 %a) {
; RV32I-LABEL: sext_i1_to_i16:
; RV32I:       # %bb.0:
; RV32I-NEXT:    andi a0, a0, 1
; RV32I-NEXT:    neg a0, a0
; RV32I-NEXT:    ret
  %1 = sext i1 %a to i16
  ret i16 %1
}

define i32 @sext_i1_to_i32(i1 %a) {
; RV32I-LABEL: sext_i1_to_i32:
; RV32I:       # %bb.0:
; RV32I-NEXT:    andi a0, a0, 1
; RV32I-NEXT:    neg a0, a0
; RV32I-NEXT:    ret
  %1 = sext i1 %a to i32
  ret i32 %1
}

define i64 @sext_i1_to_i64(i1 %a) {
; RV32I-LABEL: sext_i1_to_i64:
; RV32I:       # %bb.0:
; RV32I-NEXT:    andi a0, a0, 1
; RV32I-NEXT:    neg a0, a0
; RV32I-NEXT:    mv a1, a0
; RV32I-NEXT:    ret
  %1 = sext i1 %a to i64
  ret i64 %1
}

define i16 @sext_i8_to_i16(i8 %a) {
; RV32I-LABEL: sext_i8_to_i16:
; RV32I:       # %bb.0:
; RV32I-NEXT:    slli a0, a0, 24
; RV32I-NEXT:    srai a0, a0, 24
; RV32I-NEXT:    ret
  %1 = sext i8 %a to i16
  ret i16 %1
}

define i32 @sext_i8_to_i32(i8 %a) {
; RV32I-LABEL: sext_i8_to_i32:
; RV32I:       # %bb.0:
; RV32I-NEXT:    slli a0, a0, 24
; RV32I-NEXT:    srai a0, a0, 24
; RV32I-NEXT:    ret
  %1 = sext i8 %a to i32
  ret i32 %1
}

define i64 @sext_i8_to_i64(i8 %a) {
; RV32I-LABEL: sext_i8_to_i64:
; RV32I:       # %bb.0:
; RV32I-NEXT:    slli a1, a0, 24
; RV32I-NEXT:    srai a0, a1, 24
; RV32I-NEXT:    srai a1, a1, 31
; RV32I-NEXT:    ret
  %1 = sext i8 %a to i64
  ret i64 %1
}

define i32 @sext_i16_to_i32(i16 %a) {
; RV32I-LABEL: sext_i16_to_i32:
; RV32I:       # %bb.0:
; RV32I-NEXT:    slli a0, a0, 16
; RV32I-NEXT:    srai a0, a0, 16
; RV32I-NEXT:    ret
  %1 = sext i16 %a to i32
  ret i32 %1
}

define i64 @sext_i16_to_i64(i16 %a) {
; RV32I-LABEL: sext_i16_to_i64:
; RV32I:       # %bb.0:
; RV32I-NEXT:    slli a1, a0, 16
; RV32I-NEXT:    srai a0, a1, 16
; RV32I-NEXT:    srai a1, a1, 31
; RV32I-NEXT:    ret
  %1 = sext i16 %a to i64
  ret i64 %1
}

define i64 @sext_i32_to_i64(i32 %a) {
; RV32I-LABEL: sext_i32_to_i64:
; RV32I:       # %bb.0:
; RV32I-NEXT:    srai a1, a0, 31
; RV32I-NEXT:    ret
  %1 = sext i32 %a to i64
  ret i64 %1
}

define i8 @zext_i1_to_i8(i1 %a) {
; RV32I-LABEL: zext_i1_to_i8:
; RV32I:       # %bb.0:
; RV32I-NEXT:    andi a0, a0, 1
; RV32I-NEXT:    ret
  %1 = zext i1 %a to i8
  ret i8 %1
}

define i16 @zext_i1_to_i16(i1 %a) {
; RV32I-LABEL: zext_i1_to_i16:
; RV32I:       # %bb.0:
; RV32I-NEXT:    andi a0, a0, 1
; RV32I-NEXT:    ret
  %1 = zext i1 %a to i16
  ret i16 %1
}

define i32 @zext_i1_to_i32(i1 %a) {
; RV32I-LABEL: zext_i1_to_i32:
; RV32I:       # %bb.0:
; RV32I-NEXT:    andi a0, a0, 1
; RV32I-NEXT:    ret
  %1 = zext i1 %a to i32
  ret i32 %1
}

define i64 @zext_i1_to_i64(i1 %a) {
; RV32I-LABEL: zext_i1_to_i64:
; RV32I:       # %bb.0:
; RV32I-NEXT:    andi a0, a0, 1
; RV32I-NEXT:    mv a1, zero
; RV32I-NEXT:    ret
  %1 = zext i1 %a to i64
  ret i64 %1
}

define i16 @zext_i8_to_i16(i8 %a) {
; RV32I-LABEL: zext_i8_to_i16:
; RV32I:       # %bb.0:
; RV32I-NEXT:    andi a0, a0, 255
; RV32I-NEXT:    ret
  %1 = zext i8 %a to i16
  ret i16 %1
}

define i32 @zext_i8_to_i32(i8 %a) {
; RV32I-LABEL: zext_i8_to_i32:
; RV32I:       # %bb.0:
; RV32I-NEXT:    andi a0, a0, 255
; RV32I-NEXT:    ret
  %1 = zext i8 %a to i32
  ret i32 %1
}

define i64 @zext_i8_to_i64(i8 %a) {
; RV32I-LABEL: zext_i8_to_i64:
; RV32I:       # %bb.0:
; RV32I-NEXT:    andi a0, a0, 255
; RV32I-NEXT:    mv a1, zero
; RV32I-NEXT:    ret
  %1 = zext i8 %a to i64
  ret i64 %1
}

define i32 @zext_i16_to_i32(i16 %a) {
; RV32I-LABEL: zext_i16_to_i32:
; RV32I:       # %bb.0:
; RV32I-NEXT:    lui a1, 16
; RV32I-NEXT:    addi a1, a1, -1
; RV32I-NEXT:    and a0, a0, a1
; RV32I-NEXT:    ret
  %1 = zext i16 %a to i32
  ret i32 %1
}

define i64 @zext_i16_to_i64(i16 %a) {
; RV32I-LABEL: zext_i16_to_i64:
; RV32I:       # %bb.0:
; RV32I-NEXT:    lui a1, 16
; RV32I-NEXT:    addi a1, a1, -1
; RV32I-NEXT:    and a0, a0, a1
; RV32I-NEXT:    mv a1, zero
; RV32I-NEXT:    ret
  %1 = zext i16 %a to i64
  ret i64 %1
}

define i64 @zext_i32_to_i64(i32 %a) {
; RV32I-LABEL: zext_i32_to_i64:
; RV32I:       # %bb.0:
; RV32I-NEXT:    mv a1, zero
; RV32I-NEXT:    ret
  %1 = zext i32 %a to i64
  ret i64 %1
}

; TODO: should the trunc tests explicitly ensure no code is generated before
; jalr?

define i1 @trunc_i8_to_i1(i8 %a) {
; RV32I-LABEL: trunc_i8_to_i1:
; RV32I:       # %bb.0:
; RV32I-NEXT:    ret
  %1 = trunc i8 %a to i1
  ret i1 %1
}

define i1 @trunc_i16_to_i1(i16 %a) {
; RV32I-LABEL: trunc_i16_to_i1:
; RV32I:       # %bb.0:
; RV32I-NEXT:    ret
  %1 = trunc i16 %a to i1
  ret i1 %1
}

define i1 @trunc_i32_to_i1(i32 %a) {
; RV32I-LABEL: trunc_i32_to_i1:
; RV32I:       # %bb.0:
; RV32I-NEXT:    ret
  %1 = trunc i32 %a to i1
  ret i1 %1
}

define i1 @trunc_i64_to_i1(i64 %a) {
; RV32I-LABEL: trunc_i64_to_i1:
; RV32I:       # %bb.0:
; RV32I-NEXT:    ret
  %1 = trunc i64 %a to i1
  ret i1 %1
}

define i8 @trunc_i16_to_i8(i16 %a) {
; RV32I-LABEL: trunc_i16_to_i8:
; RV32I:       # %bb.0:
; RV32I-NEXT:    ret
  %1 = trunc i16 %a to i8
  ret i8 %1
}

define i8 @trunc_i32_to_i8(i32 %a) {
; RV32I-LABEL: trunc_i32_to_i8:
; RV32I:       # %bb.0:
; RV32I-NEXT:    ret
  %1 = trunc i32 %a to i8
  ret i8 %1
}

define i8 @trunc_i64_to_i8(i64 %a) {
; RV32I-LABEL: trunc_i64_to_i8:
; RV32I:       # %bb.0:
; RV32I-NEXT:    ret
  %1 = trunc i64 %a to i8
  ret i8 %1
}

define i16 @trunc_i32_to_i16(i32 %a) {
; RV32I-LABEL: trunc_i32_to_i16:
; RV32I:       # %bb.0:
; RV32I-NEXT:    ret
  %1 = trunc i32 %a to i16
  ret i16 %1
}

define i16 @trunc_i64_to_i16(i64 %a) {
; RV32I-LABEL: trunc_i64_to_i16:
; RV32I:       # %bb.0:
; RV32I-NEXT:    ret
  %1 = trunc i64 %a to i16
  ret i16 %1
}

define i32 @trunc_i64_to_i32(i64 %a) {
; RV32I-LABEL: trunc_i64_to_i32:
; RV32I:       # %bb.0:
; RV32I-NEXT:    ret
  %1 = trunc i64 %a to i32
  ret i32 %1
}