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Add test for instcombine -1*X -> -X

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6905 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2003-06-25 17:10:34 +00:00
parent 0af1fab019
commit d4c914f062
1 changed files with 11 additions and 1 deletions
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12
test/Transforms/InstCombine/mul.ll
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@ -33,8 +33,18 @@ int %test5(int %A) {
ret int %B
}
int %test6(ubyte %A) {
ubyte %test6(ubyte %A) {
%B = mul ubyte %A, 8
%C = mul ubyte %B, 13
ret ubyte %C
}
int %test7(int %i) {
%tmp = mul int %i, -1 ; %tmp = sub 0, %i
ret int %tmp
}
ulong %test8(ulong %i) {
%j = mul ulong %i, 18446744073709551615 ; tmp = sub 0, %i
ret ulong %j
}