llvm-project/llvm/test/CodeGen/X86/extend.ll

29 lines
945 B
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i686-- -x86-asm-syntax=intel | FileCheck %s
@G1 = internal global i8 0 ; <i8*> [#uses=1]
@G2 = internal global i8 0 ; <i8*> [#uses=1]
define i16 @test1() {
; CHECK-LABEL: test1:
; CHECK: # %bb.0:
; CHECK-NEXT: movzx eax, byte ptr [G1]
; CHECK-NEXT: # kill: def $ax killed $ax killed $eax
; CHECK-NEXT: ret
%tmp.0 = load i8, i8* @G1 ; <i8> [#uses=1]
%tmp.3 = zext i8 %tmp.0 to i16 ; <i16> [#uses=1]
ret i16 %tmp.3
}
define i16 @test2() {
; CHECK-LABEL: test2:
; CHECK: # %bb.0:
; CHECK-NEXT: movsx eax, byte ptr [G2]
; CHECK-NEXT: # kill: def $ax killed $ax killed $eax
; CHECK-NEXT: ret
%tmp.0 = load i8, i8* @G2 ; <i8> [#uses=1]
%tmp.3 = sext i8 %tmp.0 to i16 ; <i16> [#uses=1]
ret i16 %tmp.3
}