mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-07-20 10:30:03 +00:00
8b2b8a1835
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
150 lines
3.5 KiB
LLVM
150 lines
3.5 KiB
LLVM
; Test 32-bit logical shifts right.
|
|
;
|
|
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
|
|
|
|
; Check the low end of the SRLG range.
|
|
define i64 @f1(i64 %a) {
|
|
; CHECK-LABEL: f1:
|
|
; CHECK: srlg %r2, %r2, 1
|
|
; CHECK: br %r14
|
|
%shift = lshr i64 %a, 1
|
|
ret i64 %shift
|
|
}
|
|
|
|
; Check the high end of the defined SRLG range.
|
|
define i64 @f2(i64 %a) {
|
|
; CHECK-LABEL: f2:
|
|
; CHECK: srlg %r2, %r2, 63
|
|
; CHECK: br %r14
|
|
%shift = lshr i64 %a, 63
|
|
ret i64 %shift
|
|
}
|
|
|
|
; We don't generate shifts by out-of-range values.
|
|
define i64 @f3(i64 %a) {
|
|
; CHECK-LABEL: f3:
|
|
; CHECK-NOT: srlg
|
|
; CHECK: br %r14
|
|
%shift = lshr i64 %a, 64
|
|
ret i64 %shift
|
|
}
|
|
|
|
; Check variable shifts.
|
|
define i64 @f4(i64 %a, i64 %amt) {
|
|
; CHECK-LABEL: f4:
|
|
; CHECK: srlg %r2, %r2, 0(%r3)
|
|
; CHECK: br %r14
|
|
%shift = lshr i64 %a, %amt
|
|
ret i64 %shift
|
|
}
|
|
|
|
; Check shift amounts that have a constant term.
|
|
define i64 @f5(i64 %a, i64 %amt) {
|
|
; CHECK-LABEL: f5:
|
|
; CHECK: srlg %r2, %r2, 10(%r3)
|
|
; CHECK: br %r14
|
|
%add = add i64 %amt, 10
|
|
%shift = lshr i64 %a, %add
|
|
ret i64 %shift
|
|
}
|
|
|
|
; ...and again with a sign-extended 32-bit shift amount.
|
|
define i64 @f6(i64 %a, i32 %amt) {
|
|
; CHECK-LABEL: f6:
|
|
; CHECK: srlg %r2, %r2, 10(%r3)
|
|
; CHECK: br %r14
|
|
%add = add i32 %amt, 10
|
|
%addext = sext i32 %add to i64
|
|
%shift = lshr i64 %a, %addext
|
|
ret i64 %shift
|
|
}
|
|
|
|
; ...and now with a zero-extended 32-bit shift amount.
|
|
define i64 @f7(i64 %a, i32 %amt) {
|
|
; CHECK-LABEL: f7:
|
|
; CHECK: srlg %r2, %r2, 10(%r3)
|
|
; CHECK: br %r14
|
|
%add = add i32 %amt, 10
|
|
%addext = zext i32 %add to i64
|
|
%shift = lshr i64 %a, %addext
|
|
ret i64 %shift
|
|
}
|
|
|
|
; Check shift amounts that have the largest in-range constant term. We could
|
|
; mask the amount instead.
|
|
define i64 @f8(i64 %a, i64 %amt) {
|
|
; CHECK-LABEL: f8:
|
|
; CHECK: srlg %r2, %r2, 524287(%r3)
|
|
; CHECK: br %r14
|
|
%add = add i64 %amt, 524287
|
|
%shift = lshr i64 %a, %add
|
|
ret i64 %shift
|
|
}
|
|
|
|
; Check the next value up, which without masking must use a separate
|
|
; addition.
|
|
define i64 @f9(i64 %a, i64 %amt) {
|
|
; CHECK-LABEL: f9:
|
|
; CHECK: a{{g?}}fi %r3, 524288
|
|
; CHECK: srlg %r2, %r2, 0(%r3)
|
|
; CHECK: br %r14
|
|
%add = add i64 %amt, 524288
|
|
%shift = lshr i64 %a, %add
|
|
ret i64 %shift
|
|
}
|
|
|
|
; Check cases where 1 is subtracted from the shift amount.
|
|
define i64 @f10(i64 %a, i64 %amt) {
|
|
; CHECK-LABEL: f10:
|
|
; CHECK: srlg %r2, %r2, -1(%r3)
|
|
; CHECK: br %r14
|
|
%sub = sub i64 %amt, 1
|
|
%shift = lshr i64 %a, %sub
|
|
ret i64 %shift
|
|
}
|
|
|
|
; Check the lowest value that can be subtracted from the shift amount.
|
|
; Again, we could mask the shift amount instead.
|
|
define i64 @f11(i64 %a, i64 %amt) {
|
|
; CHECK-LABEL: f11:
|
|
; CHECK: srlg %r2, %r2, -524288(%r3)
|
|
; CHECK: br %r14
|
|
%sub = sub i64 %amt, 524288
|
|
%shift = lshr i64 %a, %sub
|
|
ret i64 %shift
|
|
}
|
|
|
|
; Check the next value down, which without masking must use a separate
|
|
; addition.
|
|
define i64 @f12(i64 %a, i64 %amt) {
|
|
; CHECK-LABEL: f12:
|
|
; CHECK: a{{g?}}fi %r3, -524289
|
|
; CHECK: srlg %r2, %r2, 0(%r3)
|
|
; CHECK: br %r14
|
|
%sub = sub i64 %amt, 524289
|
|
%shift = lshr i64 %a, %sub
|
|
ret i64 %shift
|
|
}
|
|
|
|
; Check that we don't try to generate "indexed" shifts.
|
|
define i64 @f13(i64 %a, i64 %b, i64 %c) {
|
|
; CHECK-LABEL: f13:
|
|
; CHECK: a{{g?}}r {{%r3, %r4|%r4, %r3}}
|
|
; CHECK: srlg %r2, %r2, 0({{%r[34]}})
|
|
; CHECK: br %r14
|
|
%add = add i64 %b, %c
|
|
%shift = lshr i64 %a, %add
|
|
ret i64 %shift
|
|
}
|
|
|
|
; Check that the shift amount uses an address register. It cannot be in %r0.
|
|
define i64 @f14(i64 %a, i64 *%ptr) {
|
|
; CHECK-LABEL: f14:
|
|
; CHECK: l %r1, 4(%r3)
|
|
; CHECK: srlg %r2, %r2, 0(%r1)
|
|
; CHECK: br %r14
|
|
%amt = load i64 *%ptr
|
|
%shift = lshr i64 %a, %amt
|
|
ret i64 %shift
|
|
}
|