YouCompleteMe/cpp/llvm/test/CodeGen/X86/subreg-to-reg-0.ll

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2012-07-05 20:51:06 -04:00
; RUN: llc < %s -march=x86-64 | grep mov | count 1
; Do eliminate the zero-extension instruction and rely on
; x86-64's implicit zero-extension!
define i64 @foo(i32* %p) nounwind {
%t = load i32* %p
%n = add i32 %t, 1
%z = zext i32 %n to i64
ret i64 %z
}