Displaying 1 result from an estimated 1 matches for "addproddivconst".
2018 Apr 23
2
pre-RA scheduling/live register analysis optimization (handle move) forcing spill of registers
...inserting the COPY. :-/
This 'handleMove' is generated by LiveIntervalAnalysis, but I don't understand why it is generated and how to avoid this counterproductive optimization.
TIA, Dominique Torette.
# *** IR Dump After MachineFunction Printer ***:
# Machine code for function addproddivConst: Post SSA
Function Live Ins: %FA_ROFF1 in %vreg0
0B BB#0: derived from LLVM BB %entry
Live Ins: %FA_ROFF1
16B %vreg0<def> = COPY %FA_ROFF1; FPUaOffsetClass:%vreg0
32B %vreg2<def> = MOVSUTO_A_iSLo 1077936128; FPUaOffsetClass:%vreg2
48B...