diff --git a/test/Transforms/InstCombine/or.ll b/test/Transforms/InstCombine/or.ll index 838e75ec1dc..9cdd7478909 100644 --- a/test/Transforms/InstCombine/or.ll +++ b/test/Transforms/InstCombine/or.ll @@ -1,7 +1,7 @@ ; This test makes sure that these instructions are properly eliminated. ; -; RUN: as < %s | opt -instcombine | dis | grep -v '%OROK = or' | not grep 'or ' +; RUN: as < %s | opt -instcombine | dis | grep -v xor | not grep 'or ' implementation @@ -30,26 +30,6 @@ bool %test4(bool %A) { ret bool %B } -bool %test5(bool %A) { - %B = xor bool %A, false - ret bool %B -} - -int %test6(int %A) { - %B = xor int %A, 0 - ret int %B -} - -bool %test7(bool %A) { - %B = xor bool %A, %A - ret bool %B -} - -int %test8(int %A) { - %B = xor int %A, %A - ret int %B -} - bool %test9(bool %A) { %B = or bool %A, %A ret bool %B @@ -60,41 +40,17 @@ int %test10(int %A) { ret int %B } -int %test11(int %A) { ; A ^ ~A == -1 - %NotA = xor int -1, %A - %B = xor int %A, %NotA - ret int %B -} - int %test12(int %A) { ; A | ~A == -1 %NotA = xor int -1, %A %B = or int %A, %NotA ret int %B } -uint %test13(uint %A) { ; (A|B)^B == A & (~B) - %t1 = or uint %A, 123 - %r = xor uint %t1, 123 - ret uint %r -} - ubyte %test14(ubyte %A) { %B = or ubyte %A, 254 %C = or ubyte %B, 1 ret ubyte %C } -ubyte %test15(ubyte %A) { - %B = xor ubyte %A, 17 - %C = xor ubyte %B, 17 - ret ubyte %C -} - -int %test16(int %A, int %B) { ; (A & C1)^(B & C2) -> (A & C1)|(B & C2) iff C1&C2 == 0 - %A1 = and int %A, 7 - %B1 = and int %B, 128 - %OROK = xor int %A1, %B1 - ret int %OROK -} ubyte %test17(ubyte %A, ubyte %B) { ; Test that (A|c1)|(B|c2) == (A|B)|(c1|c2) %C = or ubyte %A, 1 @@ -103,21 +59,6 @@ ubyte %test17(ubyte %A, ubyte %B) { ; Test that (A|c1)|(B|c2) == (A|B)|(c1|c2) ret ubyte %E } -ubyte %test18(bool %c) { - %d = xor bool %c, true ; invert the condition - br bool %d, label %True, label %False -True: - ret ubyte 1 -False: - ret ubyte 3 -} - -bool %test19(ubyte %A) { - %B = xor ubyte %A, 123 ; xor can be eliminated - %C = seteq ubyte %B, 34 - ret bool %C -} - ubyte %test21(ubyte %A) { %B = or ubyte %A, 1 %C = and ubyte %B, 254 diff --git a/test/Transforms/InstCombine/xor.ll b/test/Transforms/InstCombine/xor.ll new file mode 100644 index 00000000000..1956184a949 --- /dev/null +++ b/test/Transforms/InstCombine/xor.ll @@ -0,0 +1,66 @@ +; This test makes sure that these instructions are properly eliminated. +; + +; RUN: as < %s | opt -instcombine | dis | not grep 'xor ' + +implementation + +bool %test5(bool %A) { + %B = xor bool %A, false + ret bool %B +} + +int %test6(int %A) { + %B = xor int %A, 0 + ret int %B +} + +bool %test7(bool %A) { + %B = xor bool %A, %A + ret bool %B +} + +int %test8(int %A) { + %B = xor int %A, %A + ret int %B +} + +int %test11(int %A) { ; A ^ ~A == -1 + %NotA = xor int -1, %A + %B = xor int %A, %NotA + ret int %B +} + +uint %test13(uint %A) { ; (A|B)^B == A & (~B) + %t1 = or uint %A, 123 + %r = xor uint %t1, 123 + ret uint %r +} + +ubyte %test15(ubyte %A) { + %B = xor ubyte %A, 17 + %C = xor ubyte %B, 17 + ret ubyte %C +} + +int %test16(int %A, int %B) { ; (A & C1)^(B & C2) -> (A & C1)|(B & C2) iff C1&C2 == 0 + %A1 = and int %A, 7 + %B1 = and int %B, 128 + %OROK = xor int %A1, %B1 + ret int %OROK +} + +ubyte %test18(bool %c) { + %d = xor bool %c, true ; invert the condition + br bool %d, label %True, label %False +True: + ret ubyte 1 +False: + ret ubyte 3 +} + +bool %test19(ubyte %A) { + %B = xor ubyte %A, 123 ; xor can be eliminated + %C = seteq ubyte %B, 34 + ret bool %C +}