Evan Cheng 0e6b590b91 Coalescer should not delete extract_subreg, insert_subreg, and subreg_to_reg of ...

physical registers. This is especially critical for the later two since they
start the live interval of a super-register. e.g.
%DO<def> = INSERT_SUBREG %D0<undef>, %S0<kill>, 1
If this instruction is eliminated, the register scavenger will not be happy as
D0 is not defined previously.
This fixes PR5055.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82968 91177308-0d34-0410-b5e6-96231b3b80d8

2009-09-28 05:28:43 +00:00

..

2009-08-04-LowerExtract-Live.ll

Eliminate more uses of llvm-as and llvm-dis.

2009-09-09 00:09:15 +00:00

2009-08-11-RegScavenger-CSR.ll

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2009-09-09 00:09:15 +00:00

2009-08-15-LiveIn-SubReg.ll

Coalescer should not delete extract_subreg, insert_subreg, and subreg_to_reg of

2009-09-28 05:28:43 +00:00

2009-08-15-MissingDead.ll

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2009-09-09 00:09:15 +00:00

2009-08-15-SetCC-Undef.ll

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2009-09-09 00:09:15 +00:00

add-overflow.ll

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2009-09-09 00:09:15 +00:00

add.ll

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2009-09-09 00:09:15 +00:00

addsub-i128.ll

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2009-09-09 00:09:15 +00:00

basic-i1.ll

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2009-09-09 00:09:15 +00:00

basic-i8.ll

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2009-09-09 00:09:15 +00:00

basic-i16.ll

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2009-09-09 00:09:15 +00:00

basic-i32.ll

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2009-09-09 00:09:15 +00:00

basic-i64.ll

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2009-09-09 00:09:15 +00:00

basictest.ll

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2009-09-09 00:09:15 +00:00

burg.ll

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2009-09-09 00:09:15 +00:00

cmp64.ll

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2009-09-09 00:09:15 +00:00

cmp-small-imm.ll

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2009-09-09 00:09:15 +00:00

ct32.ll

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2009-09-09 00:09:15 +00:00

ct64.ll

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2009-09-09 00:09:15 +00:00

ctlz16.ll

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2009-09-09 00:09:15 +00:00

ctlz64.ll

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2009-09-09 00:09:15 +00:00

ctpop16.ll

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2009-09-09 00:09:15 +00:00

cttz16.ll

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2009-09-09 00:09:15 +00:00

cycles.ll

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2009-09-09 00:09:15 +00:00

dg.exp

…

double-cast.ll

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2009-09-09 00:09:15 +00:00

frameindex.ll

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2009-09-09 00:09:15 +00:00

i1mem.ll

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2009-09-09 00:09:15 +00:00

i1ops.ll

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2009-09-09 00:09:15 +00:00

i8mem.ll

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2009-09-09 00:09:15 +00:00

i17mem.ll

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2009-09-09 00:09:15 +00:00

i56param.ll

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2009-09-09 00:09:15 +00:00

i216mem.ll

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2009-09-09 00:09:15 +00:00

i248mem.ll

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2009-09-09 00:09:15 +00:00

i256mem.ll

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2009-09-09 00:09:15 +00:00

i256param.ll

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2009-09-09 00:09:15 +00:00

inline-asm.ll

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2009-09-09 00:09:15 +00:00

int-setcc.ll

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2009-09-09 00:09:15 +00:00

invalid-apint.ll

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2009-09-09 00:09:15 +00:00

jumptable.ll

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2009-09-09 00:09:15 +00:00

large-switch.ll

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2009-09-09 00:09:15 +00:00

load-i16.ll

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2009-09-09 00:09:15 +00:00

logic-i16.ll

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2009-09-09 00:09:15 +00:00

many-args.ll

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2009-09-09 00:09:15 +00:00

mulhu.ll

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2009-09-09 00:09:15 +00:00

printf2.ll

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2009-09-09 00:09:15 +00:00

printf.ll

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2009-09-09 00:09:15 +00:00

promote-logic.ll

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2009-09-09 00:09:15 +00:00

promote-setcc.ll

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2009-09-09 00:09:15 +00:00

sdiv.ll

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2009-09-09 00:09:15 +00:00

simple-select.ll

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2009-09-09 00:09:15 +00:00

switch2.ll

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2009-09-09 00:09:15 +00:00

switch.ll

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2009-09-09 00:09:15 +00:00

sync-intr.ll

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2009-09-09 00:09:15 +00:00