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4a6e4b30b4
If instcombine is making dead instructions, ALL that should be used is -die git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3221 91177308-0d34-0410-b5e6-96231b3b80d8
28 lines
569 B
LLVM
28 lines
569 B
LLVM
; Tests to make sure elimination of casts is working correctly
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; RUN: if as < %s | opt -instcombine | grep '%c' | grep cast
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; RUN: then exit 1
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; RUN: else exit 0
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; RUN: fi
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implementation
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int %test1(int %A) {
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%c1 = cast int %A to uint
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%c2 = cast uint %c1 to int
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ret int %c2
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}
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ulong %test2(ubyte %A) {
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%c1 = cast ubyte %A to ushort
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%c2 = cast ushort %c1 to uint
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%Ret = cast uint %c2 to ulong
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ret ulong %Ret
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}
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ulong %test3(ulong %A) { ; This function should just use bitwise AND
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%c1 = cast ulong %A to ubyte
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%c2 = cast ubyte %c1 to ulong
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ret ulong %c2
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}
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