forked from OSchip/llvm-project
49 lines
1.2 KiB
LLVM
49 lines
1.2 KiB
LLVM
; 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
|
|
;}
|
|
|