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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
29 lines
457 B
LLVM
29 lines
457 B
LLVM
; This test makes sure that mul instructions are properly eliminated.
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;
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; RUN: if as < %s | opt -instcombine | dis | grep mul
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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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begin
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%B = mul int %A, 1
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ret int %B
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end
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int "test2"(int %A)
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begin
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%B = mul int %A, 2 ; Should convert to an add instruction
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ret int %B
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end
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int "test3"(int %A)
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begin
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%B = mul int %A, 0 ; This should disappear entirely
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ret int %B
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end
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