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14 lines
478 B
LLVM
14 lines
478 B
LLVM
; RUN: opt < %s -instcombine -S | grep "mul i64"
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; rdar://6762288
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; Instcombine should not promote the mul to i96 because it is definitely
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; not a legal type for the target, and we don't want a libcall.
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define i96 @test(i96 %a.4, i96 %b.2) {
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%tmp1086 = trunc i96 %a.4 to i64 ; <i64> [#uses=1]
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%tmp836 = trunc i96 %b.2 to i64 ; <i64> [#uses=1]
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%mul185 = mul i64 %tmp1086, %tmp836 ; <i64> [#uses=1]
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%tmp544 = zext i64 %mul185 to i96 ; <i96> [#uses=1]
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ret i96 %tmp544
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}
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