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* Update Transforms tests to use CHECK-LABEL for easier debugging. No ↵Stephen Lin2013-07-141-15/+15
| | | | | | | | | | | | | | | | | | | | | | functionality change. This update was done with the following bash script: find test/Transforms -name "*.ll" | \ while read NAME; do echo "$NAME" if ! grep -q "^; *RUN: *llc" $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 mv $TEMP $NAME fi done llvm-svn: 186268
* Carve out a place in instcombine to put transformations which work knowing ↵Chris Lattner2011-05-221-0/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | that their result is non-zero. Implement an example optimization (PR9814), which allows us to transform: A / ((1 << B) >>u 2) into: A >>u (B-2) which we compile into: _divu3: ## @divu3 leal -2(%rsi), %ecx shrl %cl, %edi movl %edi, %eax ret instead of: _divu3: ## @divu3 movb %sil, %cl movl $1, %esi shll %cl, %esi shrl $2, %esi movl %edi, %eax xorl %edx, %edx divl %esi, %eax ret llvm-svn: 131860
* Use SimplifyDemandedBits on div instructions.Benjamin Kramer2011-04-301-0/+7
| | | | | | This folds away silly stuff like (a&255)/1000 -> 0. llvm-svn: 130614
* FileCheckize.Benjamin Kramer2011-04-301-1/+30
| | | | llvm-svn: 130613
* Use opt -S instead of piping bitcode output through llvm-dis.Dan Gohman2009-09-081-1/+1
| | | | llvm-svn: 81257
* Change these tests to feed the assembly files to opt directly, insteadDan Gohman2009-09-081-1/+1
| | | | | | of using llvm-as, now that opt supports this. llvm-svn: 81226
* implement PR2328.Chris Lattner2008-05-161-2/+12
| | | | llvm-svn: 51176
* Upgrade tests to not use llvm-upgrade.Tanya Lattner2008-03-181-46/+51
| | | | llvm-svn: 48483
* For PR1319:Reid Spencer2007-04-151-0/+1
| | | | | | | Make use of the END. facility on all files > 1K so that we aren't wasting CPU cycles searching for RUN: lines that we'll never find. llvm-svn: 36059
* Regression is gone, don't try to find it on clean target.Reid Spencer2007-01-171-0/+68
llvm-svn: 33296
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