mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-11-09 10:05:41 +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
225 lines
5.2 KiB
LLVM
225 lines
5.2 KiB
LLVM
; Test insertions of 32-bit constants into one half of an i64.
|
|
;
|
|
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
|
|
|
|
; Prefer LHI over IILF for signed 16-bit constants.
|
|
define i64 @f1(i64 %a) {
|
|
; CHECK-LABEL: f1:
|
|
; CHECK-NOT: ni
|
|
; CHECK: lhi %r2, 1
|
|
; CHECK: br %r14
|
|
%and = and i64 %a, 18446744069414584320
|
|
%or = or i64 %and, 1
|
|
ret i64 %or
|
|
}
|
|
|
|
; Check the high end of the LHI range.
|
|
define i64 @f2(i64 %a) {
|
|
; CHECK-LABEL: f2:
|
|
; CHECK-NOT: ni
|
|
; CHECK: lhi %r2, 32767
|
|
; CHECK: br %r14
|
|
%and = and i64 %a, 18446744069414584320
|
|
%or = or i64 %and, 32767
|
|
ret i64 %or
|
|
}
|
|
|
|
; Check the next value up, which should use IILF instead.
|
|
define i64 @f3(i64 %a) {
|
|
; CHECK-LABEL: f3:
|
|
; CHECK-NOT: ni
|
|
; CHECK: iilf %r2, 32768
|
|
; CHECK: br %r14
|
|
%and = and i64 %a, 18446744069414584320
|
|
%or = or i64 %and, 32768
|
|
ret i64 %or
|
|
}
|
|
|
|
; Check a value in which the lower 16 bits are clear.
|
|
define i64 @f4(i64 %a) {
|
|
; CHECK-LABEL: f4:
|
|
; CHECK-NOT: ni
|
|
; CHECK: iilf %r2, 65536
|
|
; CHECK: br %r14
|
|
%and = and i64 %a, 18446744069414584320
|
|
%or = or i64 %and, 65536
|
|
ret i64 %or
|
|
}
|
|
|
|
; Check the highest useful IILF value (-0x8001).
|
|
define i64 @f5(i64 %a) {
|
|
; CHECK-LABEL: f5:
|
|
; CHECK-NOT: ni
|
|
; CHECK: iilf %r2, 4294934527
|
|
; CHECK: br %r14
|
|
%and = and i64 %a, 18446744069414584320
|
|
%or = or i64 %and, 4294934527
|
|
ret i64 %or
|
|
}
|
|
|
|
; Check the next value up, which should use LHI instead.
|
|
define i64 @f6(i64 %a) {
|
|
; CHECK-LABEL: f6:
|
|
; CHECK-NOT: ni
|
|
; CHECK: lhi %r2, -32768
|
|
; CHECK: br %r14
|
|
%and = and i64 %a, 18446744069414584320
|
|
%or = or i64 %and, 4294934528
|
|
ret i64 %or
|
|
}
|
|
|
|
; Check the highest useful LHI value. (We use OILF for -1 instead, although
|
|
; LHI might be better there too.)
|
|
define i64 @f7(i64 %a) {
|
|
; CHECK-LABEL: f7:
|
|
; CHECK-NOT: ni
|
|
; CHECK: lhi %r2, -2
|
|
; CHECK: br %r14
|
|
%and = and i64 %a, 18446744069414584320
|
|
%or = or i64 %and, 4294967294
|
|
ret i64 %or
|
|
}
|
|
|
|
; Check that SRLG is still used if some of the high bits are known to be 0
|
|
; (and so might be removed from the mask).
|
|
define i64 @f8(i64 %a) {
|
|
; CHECK-LABEL: f8:
|
|
; CHECK: srlg %r2, %r2, 1
|
|
; CHECK-NEXT: iilf %r2, 32768
|
|
; CHECK: br %r14
|
|
%shifted = lshr i64 %a, 1
|
|
%and = and i64 %shifted, 18446744069414584320
|
|
%or = or i64 %and, 32768
|
|
ret i64 %or
|
|
}
|
|
|
|
; Repeat f8 with addition, which is known to be equivalent to OR in this case.
|
|
define i64 @f9(i64 %a) {
|
|
; CHECK-LABEL: f9:
|
|
; CHECK: srlg %r2, %r2, 1
|
|
; CHECK-NEXT: iilf %r2, 32768
|
|
; CHECK: br %r14
|
|
%shifted = lshr i64 %a, 1
|
|
%and = and i64 %shifted, 18446744069414584320
|
|
%or = add i64 %and, 32768
|
|
ret i64 %or
|
|
}
|
|
|
|
; Repeat f8 with already-zero bits removed from the mask.
|
|
define i64 @f10(i64 %a) {
|
|
; CHECK-LABEL: f10:
|
|
; CHECK: srlg %r2, %r2, 1
|
|
; CHECK-NEXT: iilf %r2, 32768
|
|
; CHECK: br %r14
|
|
%shifted = lshr i64 %a, 1
|
|
%and = and i64 %shifted, 9223372032559808512
|
|
%or = or i64 %and, 32768
|
|
ret i64 %or
|
|
}
|
|
|
|
; Repeat f10 with addition, which is known to be equivalent to OR in this case.
|
|
define i64 @f11(i64 %a) {
|
|
; CHECK-LABEL: f11:
|
|
; CHECK: srlg %r2, %r2, 1
|
|
; CHECK-NEXT: iilf %r2, 32768
|
|
; CHECK: br %r14
|
|
%shifted = lshr i64 %a, 1
|
|
%and = and i64 %shifted, 9223372032559808512
|
|
%or = add i64 %and, 32768
|
|
ret i64 %or
|
|
}
|
|
|
|
; Check the lowest useful IIHF value.
|
|
define i64 @f12(i64 %a) {
|
|
; CHECK-LABEL: f12:
|
|
; CHECK-NOT: ni
|
|
; CHECK: iihf %r2, 1
|
|
; CHECK: br %r14
|
|
%and = and i64 %a, 4294967295
|
|
%or = or i64 %and, 4294967296
|
|
ret i64 %or
|
|
}
|
|
|
|
; Check a value in which the lower 16 bits are clear.
|
|
define i64 @f13(i64 %a) {
|
|
; CHECK-LABEL: f13:
|
|
; CHECK-NOT: ni
|
|
; CHECK: iihf %r2, 2147483648
|
|
; CHECK: br %r14
|
|
%and = and i64 %a, 4294967295
|
|
%or = or i64 %and, 9223372036854775808
|
|
ret i64 %or
|
|
}
|
|
|
|
; Check the highest useful IIHF value (0xfffffffe).
|
|
define i64 @f14(i64 %a) {
|
|
; CHECK-LABEL: f14:
|
|
; CHECK-NOT: ni
|
|
; CHECK: iihf %r2, 4294967294
|
|
; CHECK: br %r14
|
|
%and = and i64 %a, 4294967295
|
|
%or = or i64 %and, 18446744065119617024
|
|
ret i64 %or
|
|
}
|
|
|
|
; Check a case in which some of the low 32 bits are known to be clear,
|
|
; and so could be removed from the AND mask.
|
|
define i64 @f15(i64 %a) {
|
|
; CHECK-LABEL: f15:
|
|
; CHECK: sllg %r2, %r2, 1
|
|
; CHECK-NEXT: iihf %r2, 1
|
|
; CHECK: br %r14
|
|
%shifted = shl i64 %a, 1
|
|
%and = and i64 %shifted, 4294967295
|
|
%or = or i64 %and, 4294967296
|
|
ret i64 %or
|
|
}
|
|
|
|
; Repeat f15 with the zero bits explicitly removed from the mask.
|
|
define i64 @f16(i64 %a) {
|
|
; CHECK-LABEL: f16:
|
|
; CHECK: sllg %r2, %r2, 1
|
|
; CHECK-NEXT: iihf %r2, 1
|
|
; CHECK: br %r14
|
|
%shifted = shl i64 %a, 1
|
|
%and = and i64 %shifted, 4294967294
|
|
%or = or i64 %and, 4294967296
|
|
ret i64 %or
|
|
}
|
|
|
|
; Check concatenation of two i32s.
|
|
define i64 @f17(i32 %a) {
|
|
; CHECK-LABEL: f17:
|
|
; CHECK: msr %r2, %r2
|
|
; CHECK-NEXT: iihf %r2, 1
|
|
; CHECK: br %r14
|
|
%mul = mul i32 %a, %a
|
|
%ext = zext i32 %mul to i64
|
|
%or = or i64 %ext, 4294967296
|
|
ret i64 %or
|
|
}
|
|
|
|
; Repeat f17 with the operands reversed.
|
|
define i64 @f18(i32 %a) {
|
|
; CHECK-LABEL: f18:
|
|
; CHECK: msr %r2, %r2
|
|
; CHECK-NEXT: iihf %r2, 1
|
|
; CHECK: br %r14
|
|
%mul = mul i32 %a, %a
|
|
%ext = zext i32 %mul to i64
|
|
%or = or i64 4294967296, %ext
|
|
ret i64 %or
|
|
}
|
|
|
|
; The truncation here isn't free; we need an explicit zero extension.
|
|
define i64 @f19(i32 %a) {
|
|
; CHECK-LABEL: f19:
|
|
; CHECK: llgcr %r2, %r2
|
|
; CHECK: oihl %r2, 1
|
|
; CHECK: br %r14
|
|
%trunc = trunc i32 %a to i8
|
|
%ext = zext i8 %trunc to i64
|
|
%or = or i64 %ext, 4294967296
|
|
ret i64 %or
|
|
}
|