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13 Commits

Author SHA1 Message Date
Akira Hatanaka
9b06dd6ca2 [mips] Print instructions "beq", "bne" and "or" using assembler pseudo 
instructions "beqz", "bnez" and "move", when possible.

beq $2, $zero, $L1 => beqz $2, $L1
bne $2, $zero, $L1 => bnez $2, $L1
or  $2, $3, $zero  => move $2, $3



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187229 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-07-26 18:34:25 +00:00
Stephen Lin
8b2b8a1835 Mass update to CodeGen tests to use CHECK-LABEL for labels corresponding to function definitions for more informative error messages. No functionality change and all updated tests passed locally. 
This update was done with the following bash script:

  find test/CodeGen -name "*.ll" | \
  while read NAME; do
    echo "$NAME"
    if ! grep -q "^; *RUN: *llc.*debug" $NAME; then
      TEMP=`mktemp -t temp`
      cp $NAME $TEMP
      sed -n "s/^define [^@]*@\([A-Za-z0-9_]*\)(.*$/\1/p" < $NAME | \
      while read FUNC; do
        sed -i '' "s/;\(.*\)\([A-Za-z0-9_-]*\):\( *\)$FUNC: *\$/;\1\2-LABEL:\3$FUNC:/g" $TEMP
      done
      sed -i '' "s/;\(.*\)-LABEL-LABEL:/;\1-LABEL:/" $TEMP
      sed -i '' "s/;\(.*\)-NEXT-LABEL:/;\1-NEXT:/" $TEMP
      sed -i '' "s/;\(.*\)-NOT-LABEL:/;\1-NOT:/" $TEMP
      sed -i '' "s/;\(.*\)-DAG-LABEL:/;\1-DAG:/" $TEMP
      mv $TEMP $NAME
    fi
  done


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186280 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-07-14 06:24:09 +00:00
Akira Hatanaka
1d4d32398d [mips] Add instruction selection patterns for blez and bgez. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182396 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-05-21 17:13:47 +00:00
Akira Hatanaka
aa49f35240 [mips] Remove unused option. Fix 80-column violations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176330 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-03-01 02:17:02 +00:00
Akira Hatanaka
1f0aca857b [mips] Add the capability to search delay slot filling instructions in 
successor basic blocks.

Currently this is off by default.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176329 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-03-01 02:03:51 +00:00
Akira Hatanaka
e760675b0e [mips] Add capability to search in the forward direction for instructions that 
can fill the delay slot.

Currently, this is off by default.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176320 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-03-01 00:50:52 +00:00
Akira Hatanaka
a56f411961 [mips] Define class MemDefsUses. 
This class tracks dependence between memory instructions using underlying
objects of memory operands. 



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176313 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-03-01 00:16:31 +00:00
Akira Hatanaka
d2047c6001 [mips] Set flag neverHasSideEffects flag on some of the floating point instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173401 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-25 00:20:39 +00:00
Akira Hatanaka
a032dbd62f [mips] Fix delay slot filler so that instructions with register operand $1 are 
allowed in branch delay slot.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168131 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-11-16 02:39:34 +00:00
Akira Hatanaka
3c77033a90 [mips] Set flag neverHasSideEffects flag on floating point conversion 
instructions.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167348 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-11-03 00:53:12 +00:00
Akira Hatanaka
16865d0612 Disable Mips' delay slot filler when optimization level is O0. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162589 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-08-24 20:40:15 +00:00
Akira Hatanaka
6522a9e04b Add option disable-mips-delay-filler. Turn on mips' delay slot filler by 
default.

Patch by Carl Norum.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162339 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-08-22 02:51:28 +00:00
Akira Hatanaka
a3defb07a0 Fill delay slot with useful instructions. Modified from Sparc's version of delay 
slot filler.

Patch by Reed Kotler at Mips Technologies.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140825 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-29 23:52:13 +00:00