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Commit Graph

8 Commits

Author SHA1 Message Date
Stephen Lin
798e242090 Update to more CodeGen tests to use CHECK-LABEL for labels corresponding to function definitions for more informative error messages. No functionality change.
All changes were made by the following bash script:

  find test/CodeGen -name "*.ll" | \
  while read NAME; do
    echo "$NAME"
    grep -q "^; *RUN: *llc.*debug" $NAME && continue
    grep -q "^; *RUN:.*llvm-objdump" $NAME && continue
    grep -q "^; *RUN: *opt.*" $NAME && continue
    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/;\([A-Za-z0-9_-]*\)\([A-Za-z0-9_-]*\):\( *\)$FUNC[:]* *\$/;\1\2-LABEL:\3$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
  done

This script catches a superset of the cases caught by the script associated with commit r186280. It initially found some false positives due to unusual constructs in a minority of tests; all such cases were disambiguated first in commit r186621.

llvm-svn: 186624
2013-07-18 22:47:09 +00:00
Elena Demikhovsky
0617b5a56c Optimization of shuffle node that can fit to the register form of VBROADCAST instruction on AVX2.
llvm-svn: 159504
2012-07-01 06:12:26 +00:00
Nadav Rotem
441318ee29 Add support for additional in-reg vbroadcast patterns
llvm-svn: 157127
2012-05-19 19:57:37 +00:00
Nadav Rotem
d060c25823 AVX: We lower VECTOR_SHUFFLE and BUILD_VECTOR nodes into vbroadcast instructions
using the pattern (vbroadcast (i32load src)). In some cases, after we generate
this pattern new users are added to the load node, which prevent the selection
of the blend pattern. This commit provides fallback patterns which perform
in-vector broadcast (using in-vector vbroadcast in AVX2 and pshufd on AVX1).

llvm-svn: 155437
2012-04-24 11:07:03 +00:00
Nadav Rotem
4499fb1d50 Fix a bug in the lowering of broadcasts: ConstantPools need to use the target pointer type.
Move NormalizeVectorShuffle and LowerVectorBroadcast into X86TargetLowering.

llvm-svn: 154310
2012-04-09 07:45:58 +00:00
Nadav Rotem
8957364ae5 AVX2: Build splat vectors by broadcasting a scalar from the constant pool.
Previously we used three instructions to broadcast an immediate value into a
vector register.
On Sandybridge we continue to load the broadcasted value from the constant pool.

llvm-svn: 154284
2012-04-08 12:54:54 +00:00
Craig Topper
01eba20904 Fix a crash in AVX2 when trying to broadcast a double into a 128-bit vector. There is no vbroadcastsd xmm, but we do need to support 64-bit integers broadcasted into xmm. Also factor the AVX check into the isVectorBroadcast function. This makes more sense since the AVX2 check was already inside.
llvm-svn: 147844
2012-01-10 08:23:59 +00:00
Nadav Rotem
08f8a75c2c Add AVX2 vpbroadcast support
llvm-svn: 144967
2011-11-18 02:49:55 +00:00