diff options
Diffstat (limited to 'test/Transforms/InstCombine/and.ll')
-rw-r--r-- | test/Transforms/InstCombine/and.ll | 336 |
1 files changed, 181 insertions, 155 deletions
diff --git a/test/Transforms/InstCombine/and.ll b/test/Transforms/InstCombine/and.ll index 7b08975..edab47e 100644 --- a/test/Transforms/InstCombine/and.ll +++ b/test/Transforms/InstCombine/and.ll @@ -1,229 +1,255 @@ ; This test makes sure that these instructions are properly eliminated. ; -; RUN: llvm-upgrade < %s | llvm-as | opt -instcombine | llvm-dis | not grep and -; END. +; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep and -implementation - -int %test1(int %A) { - %B = and int %A, 0 ; zero result - ret int %B +define i32 @test1(i32 %A) { + ; zero result + %B = and i32 %A, 0 ; <i32> [#uses=1] + ret i32 %B } -int %test2(int %A) { - %B = and int %A, -1 ; noop - ret int %B +define i32 @test2(i32 %A) { + ; noop + %B = and i32 %A, -1 ; <i32> [#uses=1] + ret i32 %B } -bool %test3(bool %A) { - %B = and bool %A, false ; always = false - ret bool %B +define i1 @test3(i1 %A) { + ; always = false + %B = and i1 %A, false ; <i1> [#uses=1] + ret i1 %B } -bool %test4(bool %A) { - %B = and bool %A, true ; noop - ret bool %B +define i1 @test4(i1 %A) { + ; noop + %B = and i1 %A, true ; <i1> [#uses=1] + ret i1 %B } -int %test5(int %A) { - %B = and int %A, %A - ret int %B +define i32 @test5(i32 %A) { + %B = and i32 %A, %A ; <i32> [#uses=1] + ret i32 %B } -bool %test6(bool %A) { - %B = and bool %A, %A - ret bool %B +define i1 @test6(i1 %A) { + %B = and i1 %A, %A ; <i1> [#uses=1] + ret i1 %B } -int %test7(int %A) { ; A & ~A == 0 - %NotA = xor int %A, -1 - %B = and int %A, %NotA - ret int %B +; A & ~A == 0 +define i32 @test7(i32 %A) { + %NotA = xor i32 %A, -1 ; <i32> [#uses=1] + %B = and i32 %A, %NotA ; <i32> [#uses=1] + ret i32 %B } -ubyte %test8(ubyte %A) { ; AND associates - %B = and ubyte %A, 3 - %C = and ubyte %B, 4 - ret ubyte %C +; AND associates +define i8 @test8(i8 %A) { + %B = and i8 %A, 3 ; <i8> [#uses=1] + %C = and i8 %B, 4 ; <i8> [#uses=1] + ret i8 %C } -bool %test9(int %A) { - %B = and int %A, -2147483648 ; Test of sign bit, convert to setle %A, 0 - %C = setne int %B, 0 - ret bool %C +define i1 @test9(i32 %A) { + ; Test of sign bit, convert to setle %A, 0 + %B = and i32 %A, -2147483648 ; <i32> [#uses=1] + %C = icmp ne i32 %B, 0 ; <i1> [#uses=1] + ret i1 %C } -bool %test9(uint %A) { - %B = and uint %A, 2147483648 ; Test of sign bit, convert to setle %A, 0 - %C = setne uint %B, 0 - ret bool %C +define i1 @test9a(i32 %A) { + ; Test of sign bit, convert to setle %A, 0 + %B = and i32 %A, -2147483648 ; <i32> [#uses=1] + %C = icmp ne i32 %B, 0 ; <i1> [#uses=1] + ret i1 %C } -uint %test10(uint %A) { - %B = and uint %A, 12 - %C = xor uint %B, 15 - %D = and uint %C, 1 ; (X ^ C1) & C2 --> (X & C2) ^ (C1&C2) - ret uint %D +define i32 @test10(i32 %A) { + %B = and i32 %A, 12 ; <i32> [#uses=1] + %C = xor i32 %B, 15 ; <i32> [#uses=1] + ; (X ^ C1) & C2 --> (X & C2) ^ (C1&C2) + %D = and i32 %C, 1 ; <i32> [#uses=1] + ret i32 %D } -uint %test11(uint %A, uint* %P) { - %B = or uint %A, 3 - %C = xor uint %B, 12 - store uint %C, uint* %P ; additional use of C - %D = and uint %C, 3 ; %C = and uint %B, 3 --> 3 - ret uint %D +define i32 @test11(i32 %A, i32* %P) { + %B = or i32 %A, 3 ; <i32> [#uses=1] + %C = xor i32 %B, 12 ; <i32> [#uses=2] + ; additional use of C + store i32 %C, i32* %P + ; %C = and uint %B, 3 --> 3 + %D = and i32 %C, 3 ; <i32> [#uses=1] + ret i32 %D } -bool %test12(uint %A, uint %B) { - %C1 = setlt uint %A, %B - %C2 = setle uint %A, %B - %D = and bool %C1, %C2 ; (A < B) & (A <= B) === (A < B) - ret bool %D +define i1 @test12(i32 %A, i32 %B) { + %C1 = icmp ult i32 %A, %B ; <i1> [#uses=1] + %C2 = icmp ule i32 %A, %B ; <i1> [#uses=1] + ; (A < B) & (A <= B) === (A < B) + %D = and i1 %C1, %C2 ; <i1> [#uses=1] + ret i1 %D } -bool %test13(uint %A, uint %B) { - %C1 = setlt uint %A, %B - %C2 = setgt uint %A, %B - %D = and bool %C1, %C2 ; (A < B) & (A > B) === false - ret bool %D +define i1 @test13(i32 %A, i32 %B) { + %C1 = icmp ult i32 %A, %B ; <i1> [#uses=1] + %C2 = icmp ugt i32 %A, %B ; <i1> [#uses=1] + ; (A < B) & (A > B) === false + %D = and i1 %C1, %C2 ; <i1> [#uses=1] + ret i1 %D } -bool %test14(ubyte %A) { - %B = and ubyte %A, 128 - %C = setne ubyte %B, 0 - ret bool %C +define i1 @test14(i8 %A) { + %B = and i8 %A, -128 ; <i8> [#uses=1] + %C = icmp ne i8 %B, 0 ; <i1> [#uses=1] + ret i1 %C } -ubyte %test15(ubyte %A) { - %B = shr ubyte %A, ubyte 7 - %C = and ubyte %B, 2 ; Always equals zero - ret ubyte %C +define i8 @test15(i8 %A) { + %B = lshr i8 %A, 7 ; <i8> [#uses=1] + ; Always equals zero + %C = and i8 %B, 2 ; <i8> [#uses=1] + ret i8 %C } -ubyte %test16(ubyte %A) { - %B = shl ubyte %A, ubyte 2 - %C = and ubyte %B, 3 - ret ubyte %C +define i8 @test16(i8 %A) { + %B = shl i8 %A, 2 ; <i8> [#uses=1] + %C = and i8 %B, 3 ; <i8> [#uses=1] + ret i8 %C } -sbyte %test17(sbyte %X, sbyte %Y) { ;; ~(~X & Y) --> (X | ~Y) - %B = xor sbyte %X, -1 - %C = and sbyte %B, %Y - %D = xor sbyte %C, -1 - ret sbyte %D +;; ~(~X & Y) --> (X | ~Y) +define i8 @test17(i8 %X, i8 %Y) { + %B = xor i8 %X, -1 ; <i8> [#uses=1] + %C = and i8 %B, %Y ; <i8> [#uses=1] + %D = xor i8 %C, -1 ; <i8> [#uses=1] + ret i8 %D } -bool %test18(int %A) { - %B = and int %A, -128 - %C = setne int %B, 0 ;; C >= 128 - ret bool %C +define i1 @test18(i32 %A) { + %B = and i32 %A, -128 ; <i32> [#uses=1] + ;; C >= 128 + %C = icmp ne i32 %B, 0 ; <i1> [#uses=1] + ret i1 %C } -bool %test18a(ubyte %A) { - %B = and ubyte %A, 254 - %C = seteq ubyte %B, 0 - ret bool %C +define i1 @test18a(i8 %A) { + %B = and i8 %A, -2 ; <i8> [#uses=1] + %C = icmp eq i8 %B, 0 ; <i1> [#uses=1] + ret i1 %C } -int %test19(int %A) { - %B = shl int %A, ubyte 3 - %C = and int %B, -2 ;; Clearing a zero bit - ret int %C +define i32 @test19(i32 %A) { + %B = shl i32 %A, 3 ; <i32> [#uses=1] + ;; Clearing a zero bit + %C = and i32 %B, -2 ; <i32> [#uses=1] + ret i32 %C } -ubyte %test20(ubyte %A) { - %C = shr ubyte %A, ubyte 7 - %D = and ubyte %C, 1 ;; Unneeded - ret ubyte %D +define i8 @test20(i8 %A) { + %C = lshr i8 %A, 7 ; <i8> [#uses=1] + ;; Unneeded + %D = and i8 %C, 1 ; <i8> [#uses=1] + ret i8 %D } -bool %test22(int %A) { - %B = seteq int %A, 1 - %C = setge int %A, 3 - %D = and bool %B, %C ;; False - ret bool %D +define i1 @test22(i32 %A) { + %B = icmp eq i32 %A, 1 ; <i1> [#uses=1] + %C = icmp sge i32 %A, 3 ; <i1> [#uses=1] + ;; false + %D = and i1 %B, %C ; <i1> [#uses=1] + ret i1 %D } -bool %test23(int %A) { - %B = setgt int %A, 1 - %C = setle int %A, 2 - %D = and bool %B, %C ;; A == 2 - ret bool %D +define i1 @test23(i32 %A) { + %B = icmp sgt i32 %A, 1 ; <i1> [#uses=1] + %C = icmp sle i32 %A, 2 ; <i1> [#uses=1] + ;; A == 2 + %D = and i1 %B, %C ; <i1> [#uses=1] + ret i1 %D } -bool %test24(int %A) { - %B = setgt int %A, 1 - %C = setne int %A, 2 - %D = and bool %B, %C ;; A > 2 - ret bool %D +define i1 @test24(i32 %A) { + %B = icmp sgt i32 %A, 1 ; <i1> [#uses=1] + %C = icmp ne i32 %A, 2 ; <i1> [#uses=1] + ;; A > 2 + %D = and i1 %B, %C ; <i1> [#uses=1] + ret i1 %D } -bool %test25(int %A) { - %B = setge int %A, 50 - %C = setlt int %A, 100 - %D = and bool %B, %C ;; (A-50) <u 50 - ret bool %D +define i1 @test25(i32 %A) { + %B = icmp sge i32 %A, 50 ; <i1> [#uses=1] + %C = icmp slt i32 %A, 100 ; <i1> [#uses=1] + ;; (A-50) <u 50 + %D = and i1 %B, %C ; <i1> [#uses=1] + ret i1 %D } -bool %test26(int %A) { - %B = setne int %A, 50 - %C = setne int %A, 51 - %D = and bool %B, %C ;; (A-50) > 1 - ret bool %D +define i1 @test26(i32 %A) { + %B = icmp ne i32 %A, 50 ; <i1> [#uses=1] + %C = icmp ne i32 %A, 51 ; <i1> [#uses=1] + ;; (A-50) > 1 + %D = and i1 %B, %C ; <i1> [#uses=1] + ret i1 %D } -ubyte %test27(ubyte %A) { - %B = and ubyte %A, 4 - %C = sub ubyte %B, 16 - %D = and ubyte %C, 240 ;; 0xF0 - %E = add ubyte %D, 16 - ret ubyte %E +define i8 @test27(i8 %A) { + %B = and i8 %A, 4 ; <i8> [#uses=1] + %C = sub i8 %B, 16 ; <i8> [#uses=1] + ;; 0xF0 + %D = and i8 %C, -16 ; <i8> [#uses=1] + %E = add i8 %D, 16 ; <i8> [#uses=1] + ret i8 %E } -int %test28(int %X) { ;; This is juse a zero extending shr. - %Y = shr int %X, ubyte 24 ;; Sign extend - %Z = and int %Y, 255 ;; Mask out sign bits - ret int %Z +;; This is juse a zero extending shr. +define i32 @test28(i32 %X) { + ;; Sign extend + %Y = ashr i32 %X, 24 ; <i32> [#uses=1] + ;; Mask out sign bits + %Z = and i32 %Y, 255 ; <i32> [#uses=1] + ret i32 %Z } -int %test29(ubyte %X) { - %Y = cast ubyte %X to int - %Z = and int %Y, 255 ;; Zero extend makes this unneeded. - ret int %Z +define i32 @test29(i8 %X) { + %Y = zext i8 %X to i32 ; <i32> [#uses=1] + ;; Zero extend makes this unneeded. + %Z = and i32 %Y, 255 ; <i32> [#uses=1] + ret i32 %Z } -int %test30(bool %X) { - %Y = cast bool %X to int - %Z = and int %Y, 1 - ret int %Z +define i32 @test30(i1 %X) { + %Y = zext i1 %X to i32 ; <i32> [#uses=1] + %Z = and i32 %Y, 1 ; <i32> [#uses=1] + ret i32 %Z } -uint %test31(bool %X) { - %Y = cast bool %X to uint - %Z = shl uint %Y, ubyte 4 - %A = and uint %Z, 16 - ret uint %A +define i32 @test31(i1 %X) { + %Y = zext i1 %X to i32 ; <i32> [#uses=1] + %Z = shl i32 %Y, 4 ; <i32> [#uses=1] + %A = and i32 %Z, 16 ; <i32> [#uses=1] + ret i32 %A } -uint %test32(uint %In) { - %Y = and uint %In, 16 - %Z = shr uint %Y, ubyte 2 - %A = and uint %Z, 1 - ret uint %A +define i32 @test32(i32 %In) { + %Y = and i32 %In, 16 ; <i32> [#uses=1] + %Z = lshr i32 %Y, 2 ; <i32> [#uses=1] + %A = and i32 %Z, 1 ; <i32> [#uses=1] + ret i32 %A } -uint %test33(uint %b) { ;; Code corresponding to one-bit bitfield ^1. - %tmp.4.mask = and uint %b, 1 - %tmp.10 = xor uint %tmp.4.mask, 1 - %tmp.12 = and uint %b, 4294967294 - %tmp.13 = or uint %tmp.12, %tmp.10 - ret uint %tmp.13 +;; Code corresponding to one-bit bitfield ^1. +define i32 @test33(i32 %b) { + %tmp.4.mask = and i32 %b, 1 ; <i32> [#uses=1] + %tmp.10 = xor i32 %tmp.4.mask, 1 ; <i32> [#uses=1] + %tmp.12 = and i32 %b, -2 ; <i32> [#uses=1] + %tmp.13 = or i32 %tmp.12, %tmp.10 ; <i32> [#uses=1] + ret i32 %tmp.13 } -int %test34(int %A, int %B) { - %tmp.2 = or int %B, %A - %tmp.4 = and int %tmp.2, %B - ret int %tmp.4 +define i32 @test34(i32 %A, i32 %B) { + %tmp.2 = or i32 %B, %A ; <i32> [#uses=1] + %tmp.4 = and i32 %tmp.2, %B ; <i32> [#uses=1] + ret i32 %tmp.4 } |