[PATCH] [complex] Teach Clang to preserve different-type operands to arithmeticoperators where one type is a C complex type, and to emit both the efficientand correct implementation for complex arithmetic according to C11 AnnexG using this extra...
hfinkel at anl.gov
hfinkel at anl.gov
Thu Oct 9 13:18:20 PDT 2014
I agree with Steve, this looks good. To add one thing: I'd also like to skip the libcalls when possible in fast-math mode.
================
Comment at: lib/CodeGen/CGExprComplex.cpp:590
@@ +589,3 @@
+ if (Result->getType()->isVectorTy()) {
+ ResR = CGF.Builder.CreateExtractElement(Result, CGF.Builder.getInt32(0));
+ ResI = CGF.Builder.CreateExtractElement(Result, CGF.Builder.getInt32(1));
----------------
Indent?
http://reviews.llvm.org/D5698
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