llvm-6502/test/CodeGen/X86/promote-i16.ll
Bill Wendling d336de318e As Dan pointed out, movzbl, movsbl, and friends are nicer than their alias
(movzx/movsx) because they give more information. Revert that part of the patch.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129498 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-14 01:46:37 +00:00

12 lines
238 B
LLVM

; RUN: llc < %s -march=x86 | FileCheck %s
define signext i16 @foo(i16 signext %x) nounwind {
entry:
; CHECK: foo:
; CHECK: movzwl 4(%esp), %eax
; CHECK: xorl $21998, %eax
; CHECK: movswl %ax, %eax
%0 = xor i16 %x, 21998
ret i16 %0
}