| ; 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: # kill: def $edi killed $edi def $rdi |
| ; X64-NEXT: andq $1, %rdi |
| ; X64-NEXT: movq %rdi, %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: # kill: def $edi killed $edi def $rdi |
| ; X64-NEXT: movq $56, %rcx |
| ; X64-NEXT: # kill: def $cl killed $rcx |
| ; X64-NEXT: shlq %cl, %rdi |
| ; X64-NEXT: movq $56, %rcx |
| ; X64-NEXT: # kill: def $cl killed $rcx |
| ; X64-NEXT: sarq %cl, %rdi |
| ; X64-NEXT: movq %rdi, %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: # kill: def $edi killed $edi def $rdi |
| ; X64-NEXT: movq $48, %rcx |
| ; X64-NEXT: # kill: def $cl killed $rcx |
| ; X64-NEXT: shlq %cl, %rdi |
| ; X64-NEXT: movq $48, %rcx |
| ; X64-NEXT: # kill: def $cl killed $rcx |
| ; X64-NEXT: sarq %cl, %rdi |
| ; X64-NEXT: movq %rdi, %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 |
| ;} |
| |