Mercurial > hg > CbC > CbC_llvm
annotate test/Transforms/InstCombine/2009-04-07-MulPromoteToI96.ll @ 0:95c75e76d11b LLVM3.4
LLVM 3.4
| author | Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Thu, 12 Dec 2013 13:56:28 +0900 |
| parents | |
| children |
| rev | line source |
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| 0 | 1 ; RUN: opt < %s -instcombine -S | grep "mul i64" |
| 2 ; rdar://6762288 | |
| 3 | |
| 4 ; Instcombine should not promote the mul to i96 because it is definitely | |
| 5 ; not a legal type for the target, and we don't want a libcall. | |
| 6 | |
| 7 define i96 @test(i96 %a.4, i96 %b.2) { | |
| 8 %tmp1086 = trunc i96 %a.4 to i64 ; <i64> [#uses=1] | |
| 9 %tmp836 = trunc i96 %b.2 to i64 ; <i64> [#uses=1] | |
| 10 %mul185 = mul i64 %tmp1086, %tmp836 ; <i64> [#uses=1] | |
| 11 %tmp544 = zext i64 %mul185 to i96 ; <i96> [#uses=1] | |
| 12 ret i96 %tmp544 | |
| 13 } |