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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2480 91177308-0d34-0410-b5e6-96231b3b80d8
41 lines
617 B
LLVM
41 lines
617 B
LLVM
; This test makes sure that these instructions are properly eliminated.
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;
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; RUN: if as < %s | opt -instcombine -dce | dis | grep and
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; RUN: then exit 1
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; RUN: else exit 0
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; RUN: fi
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implementation
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int "test1"(int %A) {
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%B = and int %A, 0 ; zero result
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ret int %B
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}
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int "test2"(int %A) {
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%B = and int %A, -1 ; noop
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ret int %B
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}
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bool "test3"(bool %A) {
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%B = and bool %A, false ; always = false
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ret bool %B
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}
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bool "test4"(bool %A) {
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%B = and bool %A, true ; noop
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ret bool %B
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}
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int "test5"(int %A) {
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%B = and int %A, %A
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ret int %B
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}
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bool "test6"(bool %A) {
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%B = and bool %A, %A
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ret bool %B
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}
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