rename *.llx -> *.ll

[oota-llvm.git] / test / Assembler / ConstantExprFold.ll

diff --git a/test/Assembler/ConstantExprFold.ll b/test/Assembler/ConstantExprFold.ll
new file mode 100644 (file)
index 0000000..89edc24
--- /dev/null
+++ b/test/Assembler/ConstantExprFold.ll
@@ -0,0 +1,30 @@
+; This test checks to make sure that constant exprs fold in some simple 
+; situations
+
+; RUN: llvm-as < %s | llvm-dis | not grep {(}
+
+@A = global i64 0
+
+global i64* inttoptr (i64 add (i64 ptrtoint (i64* @A to i64), i64 0) to i64*) ; X + 0 == X
+global i64* inttoptr (i64 sub (i64 ptrtoint (i64* @A to i64), i64 0) to i64*) ; X - 0 == X
+global i64* inttoptr (i64 mul (i64 ptrtoint (i64* @A to i64), i64 0) to i64*) ; X * 0 == 0
+global i64* inttoptr (i64 sdiv (i64 ptrtoint (i64* @A to i64), i64 1) to i64*) ; X / 1 == X
+global i64* inttoptr (i64 srem (i64 ptrtoint (i64* @A to i64), i64 1) to i64*) ; X % 1 == 0
+global i64* inttoptr (i64 and (i64 ptrtoint (i64* @A to i64), i64 0) to i64*) ; X & 0 == 0
+global i64* inttoptr (i64 and (i64 ptrtoint (i64* @A to i64), i64 -1) to i64*) ; X & -1 == X
+global i64 or (i64 ptrtoint (i64* @A to i64), i64 -1)  ; X | -1 == -1
+global i64* inttoptr (i64 xor (i64 ptrtoint (i64* @A to i64), i64 0) to i64*) ; X ^ 0 == X
+
+%Ty = type { i32, i32 }
+@B = external global %Ty 
+
+global i1 icmp slt (i64* @A, i64* getelementptr (i64* @A, i64 1))        ; true
+global i1 icmp slt (i64* @A, i64* getelementptr (i64* @A, i64 0))        ; false
+global i1 icmp slt (i32* getelementptr (%Ty* @B, i64 0, i32 0), 
+                   i32* getelementptr (%Ty* @B, i64 0, i32 1))            ; true
+;global i1 icmp ne (i64* @A, i64* bitcast (%Ty* @B to i64*))                 ; true
+
+; PR2206
+@cons = weak global i32 0, align 8              ; <i32*> [#uses=1]
+global i64 and (i64 ptrtoint (i32* @cons to i64), i64 7)
+