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llvm-mirror/test/CodeGen/X86/promote-i16.ll
Bill Wendling 0b9c16295a 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.

llvm-svn: 129498
2011-04-14 01:46:37 +00:00

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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
}