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...ing InstCombine. The following is the bitcode before InstCombine is run. The second argument %dw of function test is of type "%struct.DWordS_struct* byval", which has a 4-byte alignment. Breakpoint 1 at llvm/lib/Transforms/InstCombine/InstructionCombining.cpp:1652 1652 InstCombineIRInserter(Worklist)); (gdb) p F.dump() define i32 @main() nounwind { entry: %dw = alloca %struct.DWordS_struct, align 4 %ls = alloca %struct.LargeS_struct, align 8 %tmp = bitcast %struct.DWordS_struct* %dw to i8* call void @llvm.memcpy.p0i8.p0i8.i32(i8* %tmp, i8* bitcast ({ i32, i8, [3 x i8] }* @m...

Hi Sanjay, Thanks, I saw this flag and it's definitely should be considered, but it appeared to me to be static characteristic of target platform. I'm not sure how appropriate it would be to change its value from a front-end. It says "Has", while optional flag would rather say "Uses" meaning that implementation cares about floating point exceptions. Regards, Sergey

...(F.getFnAttribute("honor-fp-exceptions") + .getValueAsString() == "true"); + /// Builder - This is an IRBuilder that automatically inserts new /// instructions into the worklist when they are created. IRBuilder<true, TargetFolder, InstCombineIRInserter> diff --git a/lib/Transforms/Utils/SimplifyCFG.cpp b/lib/Transforms/Utils/SimplifyCFG.cpp index c5205ce..d341afd 100644 --- a/lib/Transforms/Utils/SimplifyCFG.cpp +++ b/lib/Transforms/Utils/SimplifyCFG.cpp @@ -1073,6 +1073,11 @@ HoistTerminator: if (isa<InvokeInst>(I1) && !isS...