Mercurial > hg > CbC > CbC_llvm
view test/Transforms/InstCombine/2009-04-07-MulPromoteToI96.ll @ 121:803732b1fca8
LLVM 5.0
author | kono |
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date | Fri, 27 Oct 2017 17:07:41 +0900 |
parents | 95c75e76d11b |
children |
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; RUN: opt < %s -instcombine -S | grep "mul i64" ; rdar://6762288 ; Instcombine should not promote the mul to i96 because it is definitely ; not a legal type for the target, and we don't want a libcall. define i96 @test(i96 %a.4, i96 %b.2) { %tmp1086 = trunc i96 %a.4 to i64 ; <i64> [#uses=1] %tmp836 = trunc i96 %b.2 to i64 ; <i64> [#uses=1] %mul185 = mul i64 %tmp1086, %tmp836 ; <i64> [#uses=1] %tmp544 = zext i64 %mul185 to i96 ; <i96> [#uses=1] ret i96 %tmp544 }