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Another case that shouldn't have sign extends: functions returning short
are known to return properly sign extended values, no need for an explicit extension. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23197 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -10,3 +10,17 @@ int %test2(ushort %X) {
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%Z = and int %Y, 65535 ;; dead
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%Z = and int %Y, 65535 ;; dead
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ret int %Z
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ret int %Z
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}
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}
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void %test3() {
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%tmp.0 = call short %foo() ;; no extsh!
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%tmp.1 = setlt short %tmp.0, 1234
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br bool %tmp.1, label %then, label %UnifiedReturnBlock
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then:
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call int %test1(short 0)
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ret void
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UnifiedReturnBlock:
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ret void
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}
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declare short %foo()
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