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llvm-mirror/test/CodeGen/X86/2007-08-10-SignExtSubreg.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 | grep {movsbl}
@X = global i32 0 ; <i32*> [#uses=1]
define i8 @_Z3fooi(i32 %x) signext {
entry:
store i32 %x, i32* @X, align 4
%retval67 = trunc i32 %x to i8 ; <i8> [#uses=1]
ret i8 %retval67
}