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2008 Jun 11
1
[LLVMdev] question on constant folding
Hello, LLVMers.
I have a quick question for constant folding.
When I treated a code twice by changing the data type from 'floating point' to 'integer,'
What I found was:
optimization is done better for the code having int's.
E.g., for this simple code:
-------------------------------------------------------------
double foo() {
double i,j;
double sum = 0;
for (i=0;