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C++: Only GVN side-effect-free functions. This improves the performance dramatically.

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This commit is contained in:
Mathias Vorreiter Pedersen
2022-08-25 15:45:50 +01:00
parent fac28ccbe0
commit dc105b404b
7 changed files with 86 additions and 86 deletions
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4
cpp/ql/test/library-tests/valuenumbering/GlobalValueNumbering/ir_gvn.expected
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@@ -1325,7 +1325,7 @@ test.cpp:
# 176| r176_3(int) = Constant[2] :
# 176| valnum = r176_3, r178_3
# 176| r176_4(int) = Call[add] : func:r176_1, 0:r176_2, 1:r176_3
# 176| valnum = r176_4, r178_4
# 176| valnum = unique
# 177| r177_1(glval<unknown>) = FunctionAddress[add] :
# 177| valnum = unique
# 177| r177_2(int) = Constant[3] :
@@ -1341,7 +1341,7 @@ test.cpp:
# 178| r178_3(int) = Constant[2] :
# 178| valnum = r176_3, r178_3
# 178| r178_4(int) = Call[add] : func:r178_1, 0:r178_2, 1:r178_3
# 178| valnum = r176_4, r178_4
# 178| valnum = unique
# 179| v179_1(void) = NoOp :
# 165| v165_13(void) = ReturnIndirection[dst] : &:r165_7, m171_11
# 165| v165_14(void) = ReturnIndirection[src] : &:r165_11, m165_12