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Commit Graph

11 Commits

Author SHA1 Message Date
Renato Golin
36f6ac7e19 Only emit movw on ARMv6T2+
Fix PR18364.

Patch by Dimitry Andric.

llvm-svn: 216989
2014-09-02 22:45:13 +00:00
Saleem Abdulrasool
53e8c5a4af ARM: fixup more tests to specify the target more explicitly
This changes the tests that were targeting ARM EABI to explicitly specify the
environment rather than relying on the default.  This breaks with the new
Windows on ARM support when running the tests on Windows where the default
environment is no longer EABI.

Take the opportunity to avoid a pointless redirect (helps when trying to debug
with providing a command line invocation which can be copy and pasted) and
removing a few greps in favour of FileCheck.

llvm-svn: 205541
2014-04-03 16:01:44 +00:00
Stephen Lin
7e501cf4c3 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

llvm-svn: 186280
2013-07-14 06:24:09 +00:00
Evan Cheng
f97472cdf6 Fix a miscompilation caused by a typo. When turning a adde with negative value
into a sbc with a positive number, the immediate should be complemented, not
negated. Also added a missing pattern for ARM codegen.

rdar://12559385

llvm-svn: 166613
2012-10-24 19:53:01 +00:00
Evan Cheng
891e9696ea Fix fall outs from my recent change on how carry bit is modeled during isel.
Now the 'S' instructions, e.g. ADDS, treat S bit as optional operand as well.
Also fix isel hook to correctly set the optional operand.
rdar://10073745

llvm-svn: 139157
2011-09-06 18:52:20 +00:00
Benjamin Kramer
d97872524b Don't depend on the optimization reverted in r134067.
llvm-svn: 134068
2011-06-29 14:07:18 +00:00
Andrew Trick
a130d110d1 Thumb2 and ARM add/subtract with carry fixes.
Fixes Thumb2 ADCS and SBCS lowering: <rdar://problem/9275821>.
t2ADCS/t2SBCS are now pseudo instructions, consistent with ARM, so the
assembly printer correctly prints the 's' suffix.

Fixes Thumb2 adde -> SBC matching to check for live/dead carry flags.

Fixes the internal ARM machine opcode mnemonic for ADCS/SBCS.
Fixes ARM SBC lowering to check for live carry (potential bug).

llvm-svn: 130048
2011-04-23 03:55:32 +00:00
Bob Wilson
5753a34ebb Fix some more failures by converting to FileCheck.
llvm-svn: 85207
2009-10-27 05:50:28 +00:00
Dan Gohman
142428ce64 Eliminate more uses of llvm-as and llvm-dis.
llvm-svn: 81293
2009-09-09 00:09:15 +00:00
Evan Cheng
4ac765118d Select ADC, SBC, and RSC instead of the ADCS, SBCS, and RSCS when the carry bit def is not used.
llvm-svn: 74228
2009-06-25 23:34:10 +00:00
Evan Cheng
0cced3daa8 ISD::ADDE / ISD::SUBE updates the carry bit so they should isle to ADCS and SBCS / RSCS.
llvm-svn: 74200
2009-06-25 20:59:23 +00:00