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floatingtointegral
2016 Apr 14
2
Little explanation of this behaviour
I tried to emit IR for a function that returns the sum between an signed char and a double in C++, just to see how Clang handles type implicit casting.
Can you explain me why Clang converted the char type into a 32-bit integer type before casting it to a floating point? Can a sitofp i8 %3 to double be done or is it wrong?
define i32 @_Z5sumad(i8 signext %x, double %y) #0 {
%1 = alloca i8,