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Test case to make sure that constexprs are automatically folded

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llvm-svn: 5798
This commit is contained in:
Chris Lattner 2003-04-17 19:21:22 +00:00
parent dd3d3438c1
commit d4c9e09204
1 changed files with 17 additions and 0 deletions
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test/Regression/Assembler/ConstantExprFoldCast.llx Normal file
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; This test checks to make sure that constant exprs fold in some simple situations
; RUN: if as < %s | dis | grep cast
; RUN: then exit 1
; RUN: else exit 0
; RUN: fi
%A = global int* cast (sbyte* null to int*) ; Cast null -> fold
%B = global int** cast (int** %A to int**) ; Cast to same type -> fold
%C = global int cast (long 42 to int) ; Integral casts
%D = global int* cast(float* cast (int* %C to float*) to int*) ; cast of cast ptr->ptr
%E = global int cast(float* cast (sbyte 5 to float*) to int) ; int -> ptr -> int
; Test folding of binary instrs
%F = global int* cast(int add (int 5, int -5) to int*)
%G = global int* cast(int sub (int 5, int 5) to int*)