1 files changed, 152 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/set.ll b/test/Transforms/InstCombine/set.ll
new file mode 100644
index 0000000..51cffbe
--- /dev/null
+++ b/test/Transforms/InstCombine/set.ll
@@ -0,0 +1,152 @@
+; This test makes sure that these instructions are properly eliminated.
+;
+; RUN: llvm-upgrade < %s | llvm-as | opt -instcombine | llvm-dis | not grep icmp
+; END.
+
+%X = uninitialized global int
+
+bool %test1(int %A) {
+	%B = seteq int %A, %A
+	%C = seteq int* %X, null   ; Never true
+	%D = and bool %B, %C
+	ret bool %D
+}
+
+bool %test2(int %A) {
+	%B = setne int %A, %A
+	%C = setne int* %X, null   ; Never false
+	%D = or bool %B, %C
+	ret bool %D
+}
+
+bool %test3(int %A) {
+	%B = setlt int %A, %A
+	ret bool %B
+}
+
+bool %test4(int %A) {
+	%B = setgt int %A, %A
+	ret bool %B
+}
+
+bool %test5(int %A) {
+	%B = setle int %A, %A
+	ret bool %B
+}
+
+bool %test6(int %A) {
+	%B = setge int %A, %A
+	ret bool %B
+}
+
+bool %test7(uint %A) {
+	%B = setge uint %A, 0  ; true
+	ret bool %B
+}
+
+bool %test8(uint %A) {
+	%B = setlt uint %A, 0  ; false
+	ret bool %B
+}
+
+;; test operations on boolean values these should all be eliminated$a
+bool %test9(bool %A) {
+	%B = setlt bool %A, false ; false
+	ret bool %B
+}
+bool %test10(bool %A) {
+	%B = setgt bool %A, true  ; false
+	ret bool %B
+}
+bool %test11(bool %A) {
+	%B = setle bool %A, true ; true
+	ret bool %B
+}
+bool %test12(bool %A) {
+	%B = setge bool %A, false  ; true
+	ret bool %B
+}
+bool %test13(bool %A, bool %B) {
+	%C = setge bool %A, %B       ; A | ~B
+	ret bool %C
+}
+bool %test14(bool %A, bool %B) {
+	%C = seteq bool %A, %B  ; ~(A ^ B)
+	ret bool %C
+}
+
+bool %test16(uint %A) {
+	%B = and uint %A, 5
+	%C = seteq uint %B, 8    ; Is never true
+	ret bool %C
+}
+
+bool %test17(ubyte %A) {
+	%B = or ubyte %A, 1
+	%C = seteq ubyte %B, 2   ; Always false
+	ret bool %C
+}
+
+bool %test18(bool %C, int %a) {
+entry:
+        br bool %C, label %endif, label %else
+
+else:
+        br label %endif
+
+endif:
+        %b.0 = phi int [ 0, %entry ], [ 1, %else ]
+        %tmp.4 = setlt int %b.0, 123
+        ret bool %tmp.4
+}
+
+bool %test19(bool %A, bool %B) {
+	%a = cast bool %A to int
+	%b = cast bool %B to int
+	%C = seteq int %a, %b
+	ret bool %C
+}
+
+uint %test20(uint %A) {
+        %B = and uint %A, 1
+        %C = setne uint %B, 0
+        %D = cast bool %C to uint
+        ret uint %D
+}
+
+int %test21(int %a) {
+        %tmp.6 = and int %a, 4
+        %not.tmp.7 = setne int %tmp.6, 0
+        %retval = cast bool %not.tmp.7 to int
+        ret int %retval
+}
+
+bool %test22(uint %A, int %X) {
+        %B = and uint %A, 100663295
+        %C = setlt uint %B, 268435456
+	%Y = and int %X, 7
+	%Z = setgt int %Y, -1
+	%R = or bool %C, %Z
+	ret bool %R
+}
+
+int %test23(int %a) {
+        %tmp.1 = and int %a, 1
+        %tmp.2 = seteq int %tmp.1, 0
+        %tmp.3 = cast bool %tmp.2 to int  ;; xor tmp1, 1
+        ret int %tmp.3
+}
+
+int %test24(uint %a) {
+        %tmp1 = and uint %a, 4
+	%tmp.1 = shr uint %tmp1, ubyte 2
+        %tmp.2 = seteq uint %tmp.1, 0
+        %tmp.3 = cast bool %tmp.2 to int  ;; xor tmp1, 1
+        ret int %tmp.3
+}
+
+bool %test25(uint %A) {
+	%B = and uint %A, 2
+	%C = setgt uint %B, 2
+	ret bool %C
+}