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when the types match up. This allows the X86 backend to compile: sbyte %toggle_value(sbyte* %tmp.1) { %tmp.2 = load sbyte* %tmp.1 ret sbyte %tmp.2 } to this: _toggle_value: mov %EAX, DWORD PTR [%ESP + 4] movsx %EAX, BYTE PTR [%EAX] ret instead of this: _toggle_value: mov %EAX, DWORD PTR [%ESP + 4] movsx %EAX, BYTE PTR [%EAX] movsx %EAX, %AL ret noticed in Shootout/objinst. -Chris git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24630 91177308-0d34-0410-b5e6-96231b3b80d8 |
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