From 009b1c42aa6266385f2c37e227516b24077e6dd7 Mon Sep 17 00:00:00 2001 From: Ed Schouten Date: Tue, 2 Jun 2009 17:52:33 +0000 Subject: Import LLVM, at r72732. --- test/Assembler/ConstantExprFoldCast.ll | 14 ++++++++++++++ 1 file changed, 14 insertions(+) create mode 100644 test/Assembler/ConstantExprFoldCast.ll (limited to 'test/Assembler/ConstantExprFoldCast.ll') diff --git a/test/Assembler/ConstantExprFoldCast.ll b/test/Assembler/ConstantExprFoldCast.ll new file mode 100644 index 0000000000000..0ce6e84626a31 --- /dev/null +++ b/test/Assembler/ConstantExprFoldCast.ll @@ -0,0 +1,14 @@ +; This test checks to make sure that constant exprs fold in some simple situations + +; RUN: llvm-as < %s | llvm-dis | not grep cast + +@A = global i32* bitcast (i8* null to i32*) ; Cast null -> fold +@B = global i32** bitcast (i32** @A to i32**) ; Cast to same type -> fold +@C = global i32 trunc (i64 42 to i32) ; Integral casts +@D = global i32* bitcast(float* bitcast (i32* @C to float*) to i32*) ; cast of cast ptr->ptr +@E = global i32 ptrtoint(float* inttoptr (i8 5 to float*) to i32) ; i32 -> ptr -> i32 + +; Test folding of binary instrs +@F = global i32* inttoptr (i32 add (i32 5, i32 -5) to i32*) +@G = global i32* inttoptr (i32 sub (i32 5, i32 5) to i32*) + -- cgit v1.2.3