-; RUN: llvm-uselistorder < %s -preserve-bc-use-list-order -num-shuffles=5
+; RUN: verify-uselistorder < %s
@a = global [4 x i1] [i1 0, i1 1, i1 0, i1 1]
-@b = alias i1* getelementptr ([4 x i1]* @a, i64 0, i64 2)
+@b = alias i1, getelementptr ([4 x i1], [4 x i1]* @a, i64 0, i64 2)
+
+; Check use-list order of constants used by globals.
+@glob1 = global i5 7
+@glob2 = global i5 7
+@glob3 = global i5 7
+
+; Check use-list order between variables and aliases.
+@target = global i3 zeroinitializer
+@alias1 = alias i3, i3* @target
+@alias2 = alias i3, i3* @target
+@alias3 = alias i3, i3* @target
+@var1 = global i3* @target
+@var2 = global i3* @target
+@var3 = global i3* @target
+
+; Check use-list order for a global when used both by a global and in a
+; function.
+@globalAndFunction = global i4 4
+@globalAndFunctionGlobalUser = global i4* @globalAndFunction
+
+; Check use-list order for constants used by globals that are themselves used
+; as aliases. This confirms that this globals are recognized as GlobalValues
+; (not general constants).
+@const.global = global i63 0
+@const.global.ptr = global i63* @const.global
+@const.global.2 = global i63 0
+
+; Same as above, but for aliases.
+@const.target = global i62 1
+@const.alias = alias i62, i62* @const.target
+@const.alias.ptr = alias i62, i62* @const.alias
+@const.alias.2 = alias i62, i62* @const.target
define i64 @f(i64 %f) {
entry:
define i1 @loadb() {
entry:
- %b = load i1* @b
+ %b = load i1, i1* @b
ret i1 %b
}
define i1 @loada() {
entry:
- %a = load i1* getelementptr ([4 x i1]* @a, i64 0, i64 2)
+ %a = load i1, i1* getelementptr ([4 x i1], [4 x i1]* @a, i64 0, i64 2)
ret i1 %a
}
%gotosecond = icmp slt i32 %gh, -9
br i1 %gotosecond, label %second, label %exit
}
+
+define i4 @globalAndFunctionFunctionUser() {
+entry:
+ %local = load i4, i4* @globalAndFunction
+ ret i4 %local
+}
+
+; Check for when an instruction is its own user.
+define void @selfUser(i1 %a) {
+entry:
+ ret void
+
+loop1:
+ br label %loop2
+
+loop2:
+ %var = phi i32 [ %var, %loop1 ], [ %var, %loop2 ]
+ br label %loop2
+}
+
+; Check that block addresses work.
+@ba1 = constant i8* blockaddress (@bafunc1, %bb)
+@ba2 = constant i8* getelementptr (i8, i8* blockaddress (@bafunc2, %bb), i61 0)
+@ba3 = constant i8* getelementptr (i8, i8* blockaddress (@bafunc2, %bb), i61 0)
+
+define i8* @babefore() {
+ ret i8* getelementptr (i8, i8* blockaddress (@bafunc2, %bb), i61 0)
+bb1:
+ ret i8* blockaddress (@bafunc1, %bb)
+bb2:
+ ret i8* blockaddress (@bafunc3, %bb)
+}
+define void @bafunc1() {
+ unreachable
+bb:
+ unreachable
+}
+define void @bafunc2() {
+ unreachable
+bb:
+ unreachable
+}
+define void @bafunc3() {
+ unreachable
+bb:
+ unreachable
+}
+define i8* @baafter() {
+ ret i8* blockaddress (@bafunc2, %bb)
+bb1:
+ ret i8* blockaddress (@bafunc1, %bb)
+bb2:
+ ret i8* blockaddress (@bafunc3, %bb)
+}