forked from OSchip/llvm-project
20 lines
523 B
LLVM
20 lines
523 B
LLVM
; This bug has to do with the fact that constant propogation was implemented in
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; terms of _logical_ not (! in C) instead of _bitwise_ not (~ in C). This was
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; due to a spec change.
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; Fix #2: The unary not instruction now no longer exists. Change to xor.
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; RUN: opt < %s -constprop -S | \
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; RUN: not grep {i32 0}
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define i32 @test1() {
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%R = xor i32 123, -1 ; <i32> [#uses=1]
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ret i32 %R
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}
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define i32 @test2() {
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%R = xor i32 -123, -1 ; <i32> [#uses=1]
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ret i32 %R
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}
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