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new testcase

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21784 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-05-08 21:28:33 +00:00
parent 9c72319938
commit 4544d0218a
1 changed files with 20 additions and 0 deletions
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test/Transforms/Reassociate/negation.ll Normal file
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; RUN: llvm-as < %s | opt -reassociate -instcombine | llvm-dis | not grep sub
; Test that we can turn things like X*-(Y*Z) -> X*-1*Y*Z.
int %test1(int %a, int %b, int %z) {
%c = sub int 0, %z
%d = mul int %a, %b
%e = mul int %c, %d
%f = mul int %e, 12345
%g = sub int 0, %f
ret int %g
}
int %test2(int %a, int %b, int %z) {
%d = mul int %z, 40
%c = sub int 0, %d
%e = mul int %a, %c
%f = sub int 0, %e
ret int %f
}