llvm/test/Transforms/InstCombine/and.ll
Chris Lattner 4a6e4b30b4 These tests should not run -dce pass to cleanup instcombine.
If instcombine is making dead instructions, ALL that should be used is -die


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3221 91177308-0d34-0410-b5e6-96231b3b80d8
2002-08-02 19:27:58 +00:00

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LLVM

; This test makes sure that these instructions are properly eliminated.
;
; RUN: if as < %s | opt -instcombine | dis | grep and
; RUN: then exit 1
; RUN: else exit 0
; RUN: fi
implementation
int "test1"(int %A) {
%B = and int %A, 0 ; zero result
ret int %B
}
int "test2"(int %A) {
%B = and int %A, -1 ; noop
ret int %B
}
bool "test3"(bool %A) {
%B = and bool %A, false ; always = false
ret bool %B
}
bool "test4"(bool %A) {
%B = and bool %A, true ; noop
ret bool %B
}
int "test5"(int %A) {
%B = and int %A, %A
ret int %B
}
bool "test6"(bool %A) {
%B = and bool %A, %A
ret bool %B
}