llvm/test/CodeGen/X86/subreg-to-reg-1.ll
2009-09-08 23:54:48 +00:00

14 lines
430 B
LLVM

; RUN: llc < %s -march=x86-64 | grep {leal .*), %e.\*} | count 1
; Don't eliminate or coalesce away the explicit zero-extension!
; This is currently using an leal because of a 3-addressification detail,
; though this isn't necessary; The point of this test is to make sure
; a 32-bit add is used.
define i64 @foo(i64 %a) nounwind {
%b = add i64 %a, 4294967295
%c = and i64 %b, 4294967295
%d = add i64 %c, 1
ret i64 %d
}