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llvm-6502/test/CodeGen/SystemZ/memset-03.ll
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

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; Test memsets that clear all bits.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
declare void @llvm.memset.p0i8.i32(i8 *nocapture, i8, i32, i32, i1) nounwind
declare void @llvm.memset.p0i8.i64(i8 *nocapture, i8, i64, i32, i1) nounwind
; No bytes, i32 version.
define void @f1(i8 *%dest) {
; CHECK-LABEL: f1:
; CHECK-NOT: %r2
; CHECK: br %r14
call void @llvm.memset.p0i8.i32(i8 *%dest, i8 0, i32 0, i32 1, i1 false)
ret void
}
; No bytes, i64 version.
define void @f2(i8 *%dest) {
; CHECK-LABEL: f2:
; CHECK-NOT: %r2
; CHECK: br %r14
call void @llvm.memset.p0i8.i64(i8 *%dest, i8 0, i64 0, i32 1, i1 false)
ret void
}
; 1 byte, i32 version.
define void @f3(i8 *%dest) {
; CHECK-LABEL: f3:
; CHECK: mvi 0(%r2), 0
; CHECK: br %r14
call void @llvm.memset.p0i8.i32(i8 *%dest, i8 0, i32 1, i32 1, i1 false)
ret void
}
; 1 byte, i64 version.
define void @f4(i8 *%dest) {
; CHECK-LABEL: f4:
; CHECK: mvi 0(%r2), 0
; CHECK: br %r14
call void @llvm.memset.p0i8.i64(i8 *%dest, i8 0, i64 1, i32 1, i1 false)
ret void
}
; 2 bytes, i32 version.
define void @f5(i8 *%dest) {
; CHECK-LABEL: f5:
; CHECK: mvhhi 0(%r2), 0
; CHECK: br %r14
call void @llvm.memset.p0i8.i32(i8 *%dest, i8 0, i32 2, i32 1, i1 false)
ret void
}
; 2 bytes, i64 version.
define void @f6(i8 *%dest) {
; CHECK-LABEL: f6:
; CHECK: mvhhi 0(%r2), 0
; CHECK: br %r14
call void @llvm.memset.p0i8.i64(i8 *%dest, i8 0, i64 2, i32 1, i1 false)
ret void
}
; 3 bytes, i32 version.
define void @f7(i8 *%dest) {
; CHECK-LABEL: f7:
; CHECK-DAG: mvhhi 0(%r2), 0
; CHECK-DAG: mvi 2(%r2), 0
; CHECK: br %r14
call void @llvm.memset.p0i8.i32(i8 *%dest, i8 0, i32 3, i32 1, i1 false)
ret void
}
; 3 bytes, i64 version.
define void @f8(i8 *%dest) {
; CHECK-LABEL: f8:
; CHECK-DAG: mvhhi 0(%r2), 0
; CHECK-DAG: mvi 2(%r2), 0
; CHECK: br %r14
call void @llvm.memset.p0i8.i64(i8 *%dest, i8 0, i64 3, i32 1, i1 false)
ret void
}
; 4 bytes, i32 version.
define void @f9(i8 *%dest) {
; CHECK-LABEL: f9:
; CHECK: mvhi 0(%r2), 0
; CHECK: br %r14
call void @llvm.memset.p0i8.i32(i8 *%dest, i8 0, i32 4, i32 1, i1 false)
ret void
}
; 4 bytes, i64 version.
define void @f10(i8 *%dest) {
; CHECK-LABEL: f10:
; CHECK: mvhi 0(%r2), 0
; CHECK: br %r14
call void @llvm.memset.p0i8.i64(i8 *%dest, i8 0, i64 4, i32 1, i1 false)
ret void
}
; 5 bytes, i32 version.
define void @f11(i8 *%dest) {
; CHECK-LABEL: f11:
; CHECK-DAG: mvhi 0(%r2), 0
; CHECK-DAG: mvi 4(%r2), 0
; CHECK: br %r14
call void @llvm.memset.p0i8.i32(i8 *%dest, i8 0, i32 5, i32 1, i1 false)
ret void
}
; 5 bytes, i64 version.
define void @f12(i8 *%dest) {
; CHECK-LABEL: f12:
; CHECK-DAG: mvhi 0(%r2), 0
; CHECK-DAG: mvi 4(%r2), 0
; CHECK: br %r14
call void @llvm.memset.p0i8.i64(i8 *%dest, i8 0, i64 5, i32 1, i1 false)
ret void
}
; 6 bytes, i32 version.
define void @f13(i8 *%dest) {
; CHECK-LABEL: f13:
; CHECK-DAG: mvhi 0(%r2), 0
; CHECK-DAG: mvhhi 4(%r2), 0
; CHECK: br %r14
call void @llvm.memset.p0i8.i32(i8 *%dest, i8 0, i32 6, i32 1, i1 false)
ret void
}
; 6 bytes, i64 version.
define void @f14(i8 *%dest) {
; CHECK-LABEL: f14:
; CHECK-DAG: mvhi 0(%r2), 0
; CHECK-DAG: mvhhi 4(%r2), 0
; CHECK: br %r14
call void @llvm.memset.p0i8.i64(i8 *%dest, i8 0, i64 6, i32 1, i1 false)
ret void
}
; 7 bytes, i32 version.
define void @f15(i8 *%dest) {
; CHECK-LABEL: f15:
; CHECK: mvi 0(%r2), 0
; CHECK: mvc 1(6,%r2), 0(%r2)
; CHECK: br %r14
call void @llvm.memset.p0i8.i32(i8 *%dest, i8 0, i32 7, i32 1, i1 false)
ret void
}
; 7 bytes, i64 version.
define void @f16(i8 *%dest) {
; CHECK-LABEL: f16:
; CHECK: mvi 0(%r2), 0
; CHECK: mvc 1(6,%r2), 0(%r2)
; CHECK: br %r14
call void @llvm.memset.p0i8.i64(i8 *%dest, i8 0, i64 7, i32 1, i1 false)
ret void
}
; 8 bytes, i32 version.
define void @f17(i8 *%dest) {
; CHECK-LABEL: f17:
; CHECK: mvghi 0(%r2), 0
; CHECK: br %r14
call void @llvm.memset.p0i8.i32(i8 *%dest, i8 0, i32 8, i32 1, i1 false)
ret void
}
; 8 bytes, i64 version.
define void @f18(i8 *%dest) {
; CHECK-LABEL: f18:
; CHECK: mvghi 0(%r2), 0
; CHECK: br %r14
call void @llvm.memset.p0i8.i64(i8 *%dest, i8 0, i64 8, i32 1, i1 false)
ret void
}
; 9 bytes, i32 version.
define void @f19(i8 *%dest) {
; CHECK-LABEL: f19:
; CHECK-DAG: mvghi 0(%r2), 0
; CHECK-DAG: mvi 8(%r2), 0
; CHECK: br %r14
call void @llvm.memset.p0i8.i32(i8 *%dest, i8 0, i32 9, i32 1, i1 false)
ret void
}
; 9 bytes, i64 version.
define void @f20(i8 *%dest) {
; CHECK-LABEL: f20:
; CHECK-DAG: mvghi 0(%r2), 0
; CHECK-DAG: mvi 8(%r2), 0
; CHECK: br %r14
call void @llvm.memset.p0i8.i64(i8 *%dest, i8 0, i64 9, i32 1, i1 false)
ret void
}
; 10 bytes, i32 version.
define void @f21(i8 *%dest) {
; CHECK-LABEL: f21:
; CHECK-DAG: mvghi 0(%r2), 0
; CHECK-DAG: mvhhi 8(%r2), 0
; CHECK: br %r14
call void @llvm.memset.p0i8.i32(i8 *%dest, i8 0, i32 10, i32 1, i1 false)
ret void
}
; 10 bytes, i64 version.
define void @f22(i8 *%dest) {
; CHECK-LABEL: f22:
; CHECK-DAG: mvghi 0(%r2), 0
; CHECK-DAG: mvhhi 8(%r2), 0
; CHECK: br %r14
call void @llvm.memset.p0i8.i64(i8 *%dest, i8 0, i64 10, i32 1, i1 false)
ret void
}
; 11 bytes, i32 version.
define void @f23(i8 *%dest) {
; CHECK-LABEL: f23:
; CHECK: mvi 0(%r2), 0
; CHECK: mvc 1(10,%r2), 0(%r2)
; CHECK: br %r14
call void @llvm.memset.p0i8.i32(i8 *%dest, i8 0, i32 11, i32 1, i1 false)
ret void
}
; 11 bytes, i64 version.
define void @f24(i8 *%dest) {
; CHECK-LABEL: f24:
; CHECK: mvi 0(%r2), 0
; CHECK: mvc 1(10,%r2), 0(%r2)
; CHECK: br %r14
call void @llvm.memset.p0i8.i64(i8 *%dest, i8 0, i64 11, i32 1, i1 false)
ret void
}
; 12 bytes, i32 version.
define void @f25(i8 *%dest) {
; CHECK-LABEL: f25:
; CHECK-DAG: mvghi 0(%r2), 0
; CHECK-DAG: mvhi 8(%r2), 0
; CHECK: br %r14
call void @llvm.memset.p0i8.i32(i8 *%dest, i8 0, i32 12, i32 1, i1 false)
ret void
}
; 12 bytes, i64 version.
define void @f26(i8 *%dest) {
; CHECK-LABEL: f26:
; CHECK-DAG: mvghi 0(%r2), 0
; CHECK-DAG: mvhi 8(%r2), 0
; CHECK: br %r14
call void @llvm.memset.p0i8.i32(i8 *%dest, i8 0, i32 12, i32 1, i1 false)
ret void
}
; 13 bytes, i32 version.
define void @f27(i8 *%dest) {
; CHECK-LABEL: f27:
; CHECK: mvi 0(%r2), 0
; CHECK: mvc 1(12,%r2), 0(%r2)
; CHECK: br %r14
call void @llvm.memset.p0i8.i32(i8 *%dest, i8 0, i32 13, i32 1, i1 false)
ret void
}
; 13 bytes, i64 version.
define void @f28(i8 *%dest) {
; CHECK-LABEL: f28:
; CHECK: mvi 0(%r2), 0
; CHECK: mvc 1(12,%r2), 0(%r2)
; CHECK: br %r14
call void @llvm.memset.p0i8.i64(i8 *%dest, i8 0, i64 13, i32 1, i1 false)
ret void
}
; 14 bytes, i32 version.
define void @f29(i8 *%dest) {
; CHECK-LABEL: f29:
; CHECK: mvi 0(%r2), 0
; CHECK: mvc 1(13,%r2), 0(%r2)
; CHECK: br %r14
call void @llvm.memset.p0i8.i32(i8 *%dest, i8 0, i32 14, i32 1, i1 false)
ret void
}
; 14 bytes, i64 version.
define void @f30(i8 *%dest) {
; CHECK-LABEL: f30:
; CHECK: mvi 0(%r2), 0
; CHECK: mvc 1(13,%r2), 0(%r2)
; CHECK: br %r14
call void @llvm.memset.p0i8.i64(i8 *%dest, i8 0, i64 14, i32 1, i1 false)
ret void
}
; 15 bytes, i32 version.
define void @f31(i8 *%dest) {
; CHECK-LABEL: f31:
; CHECK: mvi 0(%r2), 0
; CHECK: mvc 1(14,%r2), 0(%r2)
; CHECK: br %r14
call void @llvm.memset.p0i8.i32(i8 *%dest, i8 0, i32 15, i32 1, i1 false)
ret void
}
; 15 bytes, i64 version.
define void @f32(i8 *%dest) {
; CHECK-LABEL: f32:
; CHECK: mvi 0(%r2), 0
; CHECK: mvc 1(14,%r2), 0(%r2)
; CHECK: br %r14
call void @llvm.memset.p0i8.i64(i8 *%dest, i8 0, i64 15, i32 1, i1 false)
ret void
}
; 16 bytes, i32 version.
define void @f33(i8 *%dest) {
; CHECK-LABEL: f33:
; CHECK-DAG: mvghi 0(%r2), 0
; CHECK-DAG: mvghi 8(%r2), 0
; CHECK: br %r14
call void @llvm.memset.p0i8.i32(i8 *%dest, i8 0, i32 16, i32 1, i1 false)
ret void
}
; 16 bytes, i64 version.
define void @f34(i8 *%dest) {
; CHECK-LABEL: f34:
; CHECK-DAG: mvghi 0(%r2), 0
; CHECK-DAG: mvghi 8(%r2), 0
; CHECK: br %r14
call void @llvm.memset.p0i8.i64(i8 *%dest, i8 0, i64 16, i32 1, i1 false)
ret void
}
; 17 bytes, i32 version.
define void @f35(i8 *%dest) {
; CHECK-LABEL: f35:
; CHECK: mvi 0(%r2), 0
; CHECK: mvc 1(16,%r2), 0(%r2)
; CHECK: br %r14
call void @llvm.memset.p0i8.i32(i8 *%dest, i8 0, i32 17, i32 1, i1 false)
ret void
}
; 17 bytes, i64 version.
define void @f36(i8 *%dest) {
; CHECK-LABEL: f36:
; CHECK: mvi 0(%r2), 0
; CHECK: mvc 1(16,%r2), 0(%r2)
; CHECK: br %r14
call void @llvm.memset.p0i8.i64(i8 *%dest, i8 0, i64 17, i32 1, i1 false)
ret void
}
; 257 bytes, i32 version.
define void @f37(i8 *%dest) {
; CHECK-LABEL: f37:
; CHECK: mvi 0(%r2), 0
; CHECK: mvc 1(256,%r2), 0(%r2)
; CHECK: br %r14
call void @llvm.memset.p0i8.i32(i8 *%dest, i8 0, i32 257, i32 1, i1 false)
ret void
}
; 257 bytes, i64 version.
define void @f38(i8 *%dest) {
; CHECK-LABEL: f38:
; CHECK: mvi 0(%r2), 0
; CHECK: mvc 1(256,%r2), 0(%r2)
; CHECK: br %r14
call void @llvm.memset.p0i8.i64(i8 *%dest, i8 0, i64 257, i32 1, i1 false)
ret void
}
; 258 bytes, i32 version. 258 bytes is too big for a single MVC.
; For now expect none, so that the test fails and gets updated when
; large copies are implemented.
define void @f39(i8 *%dest) {
; CHECK-LABEL: f39:
; CHECK-NOT: mvc
; CHECK: br %r14
call void @llvm.memset.p0i8.i32(i8 *%dest, i8 0, i32 258, i32 1, i1 false)
ret void
}
; 258 bytes, i64 version, with the same comments as above.
define void @f40(i8 *%dest) {
; CHECK-LABEL: f40:
; CHECK-NOT: mvc
; CHECK: br %r14
call void @llvm.memset.p0i8.i64(i8 *%dest, i8 0, i64 258, i32 1, i1 false)
ret void
}
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