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0324528c8c
Now that it is possible to dynamically tie MachineInstr operands, predicated instructions are possible in SSA form: %vreg3<def> = SUBri %vreg1, -2147483647, pred:14, pred:%noreg, %opt:%noreg %vreg4<def,tied1> = MOVCCr %vreg3<tied0>, %vreg1, %pred:12, pred:%CPSR Becomes a predicated SUBri with a tied imp-use: SUBri %vreg1, -2147483647, pred:13, pred:%CPSR, opt:%noreg, %vreg1<imp-use,tied0> This means that any instruction that is safe to move can be folded into a MOVCC, and the *CC pseudo-instructions are no longer needed. The test case changes reflect that Thumb2SizeReduce recognizes the predicated instructions. It didn't understand the pseudos. llvm-svn: 163274 |
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CellSPU | ||
CPP | ||
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Hexagon | ||
MBlaze | ||
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MSP430 | ||
NVPTX | ||
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SPARC | ||
Thumb | ||
Thumb2 | ||
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XCore |