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Displaying 2 results from an estimated 2 matches for "5ab31ec8".

2011 Dec 29
0
[LLVMdev] InstCombine "pessimizes" trunc i8 to i1?
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2011 Dec 28
3
[LLVMdev] InstCombine "pessimizes" trunc i8 to i1?
>> Hi! >> >> before InstCombine (llvm::createInstructionCombiningPass()) I have >> a trunc from i8 to i1 and then a select: >> >> %45 = load i8* @myGlobal, align 1 >> %tobool = trunc i8 %45 to i1 >> %cond = select i1 %tobool, float 1.000000e+00, float -1.000000e+00 >> >> after instCombine I have: >> >> %29 = load i8*