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2013 Sep 22
0
[LLVMdev] Why total number of store instructions increased in case of gvn with reg2mem?
...sed (in case 4) , why does the total number of
strore Instruction present on the attached file increases (instead of
decrease).
Please explain considering that use of -reg2mem pass is mandatory.
eg.
clang -emit-llvm bzip.c -c -o bzip1.bc
1. opt -load /home/honey/llvm/build/Debug+Asserts/lib/loadInstruction.so
-storeInstruction < bzip1.bc
output :- Total Store Instruction 3115
2. opt -reg2mem -load
/home/honey/llvm/build/Debug+Asserts/lib/loadInstruction.so
-storeInstruction < bzip1.bc
output :- Total Store Instruction 3174
3. opt -dse -dce -reg2mem -load
/home/xxx/llvm/build/Debug+A...
2013 Sep 22
0
[LLVMdev] Why total number of store instructions increased in case of gvn with reg2mem?
...s is passed (in case 4) , why does the total number of strore Instruction present on the attached file increases (instead of decrease). Please explain considering that use of -reg2mem pass is mandatory. eg. clang -emit-llvm bzip.c -c -o bzip1.bc 1. opt -load /home/honey/llvm/build/Debug+Asserts/lib/loadInstruction.so -storeInstruction < bzip1.bc output :- Total Store Instruction 3115 2. opt -reg2mem -load /home/honey/llvm/build/Debug+Asserts/lib/loadInstruction.so -storeInstruction < bzip1.bc output :- Total Store Instruction 3174 3. opt -dse -dce -reg2mem -load /home/xxx/llvm/build/Debug+Asserts/lib/l...