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 | \
; RUN: grep {\\\<mov\\\>} | count 6
target triple = "i686-pc-linux-gnu"
@G = external global i32 ; <i32*> [#uses=2]
declare void @ext(i32)
define i32 @add_test(i32 %X, i32 %Y) {
%Z = add i32 %X, %Y ; <i32> [#uses=1]
store i32 %Z, i32* @G
ret i32 %X
}
define i32 @xor_test(i32 %X, i32 %Y) {
%Z = xor i32 %X, %Y ; <i32> [#uses=1]
store i32 %Z, i32* @G
ret i32 %X
}