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e6b0c0036a
a smaller bitwidth. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46244 91177308-0d34-0410-b5e6-96231b3b80d8
12 lines
467 B
LLVM
12 lines
467 B
LLVM
; RUN: llvm-as < %s | opt -instcombine | llvm-dis | notcast
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define i16 @test1(i16 %a) {
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%tmp = zext i16 %a to i32 ; <i32> [#uses=2]
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%tmp21 = lshr i32 %tmp, 8 ; <i32> [#uses=1]
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%tmp5 = mul i32 %tmp, 5 ; <i32> [#uses=1]
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%tmp.upgrd.32 = or i32 %tmp21, %tmp5 ; <i32> [#uses=1]
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%tmp.upgrd.3 = trunc i32 %tmp.upgrd.32 to i16 ; <i16> [#uses=1]
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ret i16 %tmp.upgrd.3
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}
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