Use the llvm-upgrade program to upgrade llvm assembly.

[oota-llvm.git] / test / Transforms / InstCombine / and.ll

diff --git a/test/Transforms/InstCombine/and.ll b/test/Transforms/InstCombine/and.ll
index 4c151bdeeaaa1b3f39bb10aada89a72dadea2aac..dc30c564d028d23e2c6165fd6d5f597d48c96d56 100644 (file)
--- a/test/Transforms/InstCombine/and.ll
+++ b/test/Transforms/InstCombine/and.ll
@@ -1,10 +1,7 @@
 ; 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
+; RUN: llvm-upgrade < %s | llvm-as | opt -instcombine | llvm-dis | not grep and
 
 implementation
 
@@ -38,3 +35,194 @@ bool %test6(bool %A) {
        ret bool %B
 }
 
+int %test7(int %A) {         ; A & ~A == 0
+        %NotA = xor int %A, -1
+        %B = and int %A, %NotA
+        ret int %B
+}
+
+ubyte %test8(ubyte %A) {    ; AND associates
+       %B = and ubyte %A, 3
+       %C = and ubyte %B, 4
+       ret ubyte %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
+}
+
+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
+}
+
+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
+}
+
+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
+}
+
+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
+}
+
+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
+}
+
+bool %test14(ubyte %A) {
+       %B = and ubyte %A, 128
+       %C = setne ubyte %B, 0
+       ret bool %C
+}
+
+ubyte %test15(ubyte %A) {
+       %B = shr ubyte %A, ubyte 7
+       %C = and ubyte %B, 2        ; Always equals zero
+       ret ubyte %C
+}
+
+ubyte %test16(ubyte %A) {
+       %B = shl ubyte %A, ubyte 2
+       %C = and ubyte %B, 3
+       ret ubyte %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
+}
+
+bool %test18(int %A) {
+       %B = and int %A, -128
+       %C = setne int %B, 0   ;; C >= 128
+       ret bool %C
+}
+
+bool %test18a(ubyte %A) {
+       %B = and ubyte %A, 254
+       %C = seteq ubyte %B, 0
+       ret bool %C
+}
+
+int %test19(int %A) {
+       %B = shl int %A, ubyte 3
+       %C = and int %B, -2    ;; Clearing a zero bit
+       ret int %C
+}
+
+ubyte %test20(ubyte %A) {
+       %C = shr ubyte %A, ubyte 7 
+       %D = and ubyte %C, 1            ;; Unneeded
+       ret ubyte %D
+}
+
+bool %test22(int %A) {
+       %B = seteq int %A, 1
+       %C = setge int %A, 3
+       %D = and bool %B, %C   ;; False
+       ret bool %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
+}
+
+bool %test24(int %A) {
+       %B = setgt int %A, 1
+       %C = setne int %A, 2
+       %D = and bool %B, %C   ;; A > 2
+       ret bool %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
+}
+
+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
+}
+
+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
+}
+
+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
+}
+
+int %test29(ubyte %X) {
+        %Y = cast ubyte %X to int
+        %Z = and int %Y, 255       ;; Zero extend makes this unneeded.
+        ret int %Z
+}
+
+int %test30(bool %X) {
+       %Y = cast bool %X to int
+       %Z = and int %Y, 1
+       ret int %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
+}
+
+uint %test32(uint %In) {
+       %Y = and uint %In, 16
+       %Z = shr uint %Y, ubyte 2
+       %A = and uint %Z, 1
+       ret uint %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
+}
+
+int %test34(int %A, int %B) {
+        %tmp.2 = or int %B, %A
+        %tmp.4 = and int %tmp.2, %B
+        ret int %tmp.4
+}
+