llvm-6502/test/Transforms/InstCombine/store.ll

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; RUN: opt < %s -instcombine -S | \
; RUN: grep -v {store.*,.*null} | not grep store
define void @test1(i32* %P) {
store i32 undef, i32* %P
store i32 123, i32* undef
store i32 124, i32* null
ret void
}
define void @test2(i32* %P) {
%X = load i32* %P ; <i32> [#uses=1]
%Y = add i32 %X, 0 ; <i32> [#uses=1]
store i32 %Y, i32* %P
ret void
}