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15 lines
670 B
LLVM
15 lines
670 B
LLVM
; This test checks to make sure that constant exprs fold in some simple situations
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; RUN: llvm-as < %s | llvm-dis | not grep cast
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@A = global i32* bitcast (i8* null to i32*) ; Cast null -> fold
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@B = global i32** bitcast (i32** @A to i32**) ; Cast to same type -> fold
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@C = global i32 trunc (i64 42 to i32) ; Integral casts
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@D = global i32* bitcast(float* bitcast (i32* @C to float*) to i32*) ; cast of cast ptr->ptr
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@E = global i32 ptrtoint(float* inttoptr (i8 5 to float*) to i32) ; i32 -> ptr -> i32
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; Test folding of binary instrs
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@F = global i32* inttoptr (i32 add (i32 5, i32 -5) to i32*)
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@G = global i32* inttoptr (i32 sub (i32 5, i32 5) to i32*)
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