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9 lines
253 B
LLVM
9 lines
253 B
LLVM
; RUN: llvm-as < %s | opt -load-vn -gcse -instcombine | llvm-dis | grep sub
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define i32 @test(i32* %P) {
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%X = volatile load i32* %P ; <i32> [#uses=1]
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%Y = volatile load i32* %P ; <i32> [#uses=1]
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%Z = sub i32 %X, %Y ; <i32> [#uses=1]
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ret i32 %Z
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}
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