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New test cases for mul folding

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2416 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2002-04-29 22:24:24 +00:00
parent 0dbfc05a2a
commit efc01f62c6
1 changed files with 28 additions and 0 deletions
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28
test/Transforms/InstCombine/mul.ll Normal file
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; This test makes sure that mul instructions are properly eliminated.
;
; RUN: if as < %s | opt -instcombine -dce | dis | grep mul
; RUN: then exit 1
; RUN: else exit 0
; RUN: fi
implementation
int "test1"(int %A)
begin
%B = mul int %A, 1
ret int %B
end
int "test2"(int %A)
begin
%B = mul int %A, 2 ; Should convert to an add instruction
ret int %B
end
int "test3"(int %A)
begin
%B = mul int %A, 0 ; This should disappear entirely
ret int %B
end