llvm-6502/test/CodeGen/X86/commute-two-addr.ll

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; The register allocator can commute two-address instructions to avoid
; insertion of register-register copies.
; Make sure there are only 3 mov's for each testcase
; RUN: llvm-as < %s | llc -march=x86 -x86-asm-syntax=intel | grep 'mov ' | wc -l | grep 6
%G = external global int
declare void %ext(int)
int %add_test(int %X, int %Y) {
%Z = add int %X, %Y ;; Last use of Y, but not of X.
store int %Z, int* %G
ret int %X
}
int %xor_test(int %X, int %Y) {
%Z = xor int %X, %Y ;; Last use of Y, but not of X.
store int %Z, int* %G
ret int %X
}