File: ext-x86-64.ll

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 995,808 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (44 lines) | stat: -rw-r--r-- 1,108 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=x86_64-linux-gnu    -global-isel -verify-machineinstrs < %s -o - | FileCheck %s --check-prefix=X64

; TODO merge with ext.ll after i64 sext supported on 32bit platform

define i64 @test_zext_i1(i8 %a) {
; X64-LABEL: test_zext_i1:
; X64:       # %bb.0:
; X64-NEXT:    movl %edi, %eax
; X64-NEXT:    andq $1, %rax
; X64-NEXT:    retq
  %val = trunc i8 %a to i1
  %r = zext i1 %val to i64
  ret i64 %r
}

define i64 @test_sext_i8(i8 %val) {
; X64-LABEL: test_sext_i8:
; X64:       # %bb.0:
; X64-NEXT:    movl %edi, %eax
; X64-NEXT:    shlq $56, %rax
; X64-NEXT:    sarq $56, %rax
; X64-NEXT:    retq
  %r = sext i8 %val to i64
  ret i64 %r
}

define i64 @test_sext_i16(i16 %val) {
; X64-LABEL: test_sext_i16:
; X64:       # %bb.0:
; X64-NEXT:    movl %edi, %eax
; X64-NEXT:    shlq $48, %rax
; X64-NEXT:    sarq $48, %rax
; X64-NEXT:    retq
  %r = sext i16 %val to i64
  ret i64 %r
}

; TODO enable after selection supported
;define i64 @test_sext_i32(i32 %val) {
;  %r = sext i32 %val to i64
;  ret i64 %r
;}