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
45
46
47
48
|
; 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: movq $56, %rcx
; X64-NEXT: shlq %cl, %rax
; X64-NEXT: movq $56, %rcx
; X64-NEXT: sarq %cl, %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: movq $48, %rcx
; X64-NEXT: shlq %cl, %rax
; X64-NEXT: movq $48, %rcx
; X64-NEXT: sarq %cl, %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
;}
|
