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new testcase

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26525 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2006-03-04 09:35:02 +00:00
parent e5022fe4cd
commit 9e14cd355f
2 changed files with 27 additions and 0 deletions
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14
test/Transforms/Reassociate/mulfactor.ll Normal file
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; RUN: llvm-as < %s | opt -reassociate -instcombine | llvm-dis | grep mul | wc -l | grep 2
; This should have exactly 2 multiplies when we're done.
int %f(int %a, int %b) {
%tmp.2 = mul int %a, %a
%tmp.5 = shl int %a, ubyte 1
%tmp.6 = mul int %tmp.5, %b
%tmp.10 = mul int %b, %b
%tmp.7 = add int %tmp.6, %tmp.2
%tmp.11 = add int %tmp.7, %tmp.10
ret int %tmp.11
}

13
test/Transforms/Reassociate/mulfactor2.ll Normal file
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; This should turn into one multiply and one add.
; RUN: llvm-as < mulfactor2.ll | opt -instcombine -reassociate -instcombine | llvm-dis | grep mul | wc -l | grep 1 &&
; RUN: llvm-as < mulfactor2.ll | opt -instcombine -reassociate -instcombine | llvm-dis | grep add | wc -l | grep 1
int %main(int %t) {
%tmp.3 = mul int %t, 12 ; <int> [#uses=1]
%tmp.4 = add int %tmp.3, 5 ; <int> [#uses=1]
%tmp.6 = mul int %t, 6 ; <int> [#uses=1]
%tmp.8 = mul int %tmp.4, 3 ; <int> [#uses=1]
%tmp.9 = add int %tmp.8, %tmp.6 ; <int> [#uses=1]
ret int %tmp.9
}