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26 lines
677 B
LLVM
26 lines
677 B
LLVM
; The register allocator can commute two-address instructions to avoid
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; insertion of register-register copies.
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; Make sure there are only 3 mov's for each testcase
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; RUN: llc < %s -march=x86 -x86-asm-syntax=intel | \
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; RUN: grep {\\\<mov\\\>} | count 6
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target triple = "i686-pc-linux-gnu"
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@G = external global i32 ; <i32*> [#uses=2]
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declare void @ext(i32)
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define i32 @add_test(i32 %X, i32 %Y) {
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%Z = add i32 %X, %Y ; <i32> [#uses=1]
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store i32 %Z, i32* @G
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ret i32 %X
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}
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define i32 @xor_test(i32 %X, i32 %Y) {
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%Z = xor i32 %X, %Y ; <i32> [#uses=1]
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store i32 %Z, i32* @G
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ret i32 %X
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}
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