| ; 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 |
| |
| |
| target triple = "i686-pc-linux-gnu" |
| |
| %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 |
| } |