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llvm-mirror/test/CodeGen/SystemZ/xor-04.ll
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

70 lines
1.5 KiB
LLVM

; Test 64-bit XORs in which the second operand is constant.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
; Check the lowest useful XILF value.
define i64 @f1(i64 %a) {
; CHECK-LABEL: f1:
; CHECK: xilf %r2, 1
; CHECK: br %r14
%xor = xor i64 %a, 1
ret i64 %xor
}
; Check the high end of the XILF range.
define i64 @f2(i64 %a) {
; CHECK-LABEL: f2:
; CHECK: xilf %r2, 4294967295
; CHECK: br %r14
%xor = xor i64 %a, 4294967295
ret i64 %xor
}
; Check the lowest useful XIHF value, which is one up from the above.
define i64 @f3(i64 %a) {
; CHECK-LABEL: f3:
; CHECK: xihf %r2, 1
; CHECK: br %r14
%xor = xor i64 %a, 4294967296
ret i64 %xor
}
; Check the next value up again, which needs a combination of XIHF and XILF.
define i64 @f4(i64 %a) {
; CHECK-LABEL: f4:
; CHECK: xihf %r2, 1
; CHECK: xilf %r2, 4294967295
; CHECK: br %r14
%xor = xor i64 %a, 8589934591
ret i64 %xor
}
; Check the high end of the XIHF range.
define i64 @f5(i64 %a) {
; CHECK-LABEL: f5:
; CHECK: xihf %r2, 4294967295
; CHECK: br %r14
%xor = xor i64 %a, -4294967296
ret i64 %xor
}
; Check the next value up, which again must use XIHF and XILF.
define i64 @f6(i64 %a) {
; CHECK-LABEL: f6:
; CHECK: xihf %r2, 4294967295
; CHECK: xilf %r2, 1
; CHECK: br %r14
%xor = xor i64 %a, -4294967295
ret i64 %xor
}
; Check full bitwise negation
define i64 @f7(i64 %a) {
; CHECK-LABEL: f7:
; CHECK: xihf %r2, 4294967295
; CHECK: xilf %r2, 4294967295
; CHECK: br %r14
%xor = xor i64 %a, -1
ret i64 %xor
}