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llvm-mirror/test/Assembler/ConstantExprFoldCast.ll
Chris Lattner 63bd1df323 rename *.llx -> *.ll
llvm-svn: 49969
2008-04-19 22:26:29 +00:00

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670 B
LLVM

; 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*)