forked from OSchip/llvm-project
42 lines
1.0 KiB
LLVM
42 lines
1.0 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=x86_64-linux-gnu -global-isel -verify-machineinstrs < %s -o - | FileCheck %s --check-prefix=X64
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; TODO merge with ext.ll after i64 sext supported on 32bit platform
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define i64 @test_zext_i1(i8 %a) {
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; X64-LABEL: test_zext_i1:
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; X64: # BB#0:
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; X64-NEXT: # kill: %DIL<def> %DIL<kill> %RDI<def>
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; X64-NEXT: andq $1, %rdi
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; X64-NEXT: movq %rdi, %rax
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; X64-NEXT: retq
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%val = trunc i8 %a to i1
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%r = zext i1 %val to i64
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ret i64 %r
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}
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define i64 @test_sext_i8(i8 %val) {
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; X64-LABEL: test_sext_i8:
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; X64: # BB#0:
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; X64-NEXT: movsbq %dil, %rax
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; X64-NEXT: retq
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%r = sext i8 %val to i64
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ret i64 %r
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}
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define i64 @test_sext_i16(i16 %val) {
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; X64-LABEL: test_sext_i16:
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; X64: # BB#0:
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; X64-NEXT: movswq %di, %rax
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; X64-NEXT: retq
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%r = sext i16 %val to i64
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ret i64 %r
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}
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; TODO enable after selection supported
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;define i64 @test_sext_i32(i32 %val) {
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; %r = sext i32 %val to i64
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; ret i64 %r
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;}
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