mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-11-03 14:08:57 +00:00
39f4e8d9cc
This update was done with the following bash script:
find test/Transforms -name "*.ll" | \
while read NAME; do
echo "$NAME"
if ! grep -q "^; *RUN: *llc" $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
mv $TEMP $NAME
fi
done
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186268 91177308-0d34-0410-b5e6-96231b3b80d8
196 lines
3.6 KiB
LLVM
196 lines
3.6 KiB
LLVM
; RUN: opt < %s -instsimplify -S | FileCheck %s
|
|
|
|
define i32 @add1(i32 %x) {
|
|
; CHECK-LABEL: @add1(
|
|
; (X + -1) + 1 -> X
|
|
%l = add i32 %x, -1
|
|
%r = add i32 %l, 1
|
|
ret i32 %r
|
|
; CHECK: ret i32 %x
|
|
}
|
|
|
|
define i32 @and1(i32 %x, i32 %y) {
|
|
; CHECK-LABEL: @and1(
|
|
; (X & Y) & X -> X & Y
|
|
%l = and i32 %x, %y
|
|
%r = and i32 %l, %x
|
|
ret i32 %r
|
|
; CHECK: ret i32 %l
|
|
}
|
|
|
|
define i32 @and2(i32 %x, i32 %y) {
|
|
; CHECK-LABEL: @and2(
|
|
; X & (X & Y) -> X & Y
|
|
%r = and i32 %x, %y
|
|
%l = and i32 %x, %r
|
|
ret i32 %l
|
|
; CHECK: ret i32 %r
|
|
}
|
|
|
|
define i32 @or1(i32 %x, i32 %y) {
|
|
; CHECK-LABEL: @or1(
|
|
; (X | Y) | X -> X | Y
|
|
%l = or i32 %x, %y
|
|
%r = or i32 %l, %x
|
|
ret i32 %r
|
|
; CHECK: ret i32 %l
|
|
}
|
|
|
|
define i32 @or2(i32 %x, i32 %y) {
|
|
; CHECK-LABEL: @or2(
|
|
; X | (X | Y) -> X | Y
|
|
%r = or i32 %x, %y
|
|
%l = or i32 %x, %r
|
|
ret i32 %l
|
|
; CHECK: ret i32 %r
|
|
}
|
|
|
|
define i32 @xor1(i32 %x, i32 %y) {
|
|
; CHECK-LABEL: @xor1(
|
|
; (X ^ Y) ^ X = Y
|
|
%l = xor i32 %x, %y
|
|
%r = xor i32 %l, %x
|
|
ret i32 %r
|
|
; CHECK: ret i32 %y
|
|
}
|
|
|
|
define i32 @xor2(i32 %x, i32 %y) {
|
|
; CHECK-LABEL: @xor2(
|
|
; X ^ (X ^ Y) = Y
|
|
%r = xor i32 %x, %y
|
|
%l = xor i32 %x, %r
|
|
ret i32 %l
|
|
; CHECK: ret i32 %y
|
|
}
|
|
|
|
define i32 @sub1(i32 %x, i32 %y) {
|
|
; CHECK-LABEL: @sub1(
|
|
%d = sub i32 %x, %y
|
|
%r = sub i32 %x, %d
|
|
ret i32 %r
|
|
; CHECK: ret i32 %y
|
|
}
|
|
|
|
define i32 @sub2(i32 %x) {
|
|
; CHECK-LABEL: @sub2(
|
|
; X - (X + 1) -> -1
|
|
%xp1 = add i32 %x, 1
|
|
%r = sub i32 %x, %xp1
|
|
ret i32 %r
|
|
; CHECK: ret i32 -1
|
|
}
|
|
|
|
define i32 @sub3(i32 %x, i32 %y) {
|
|
; CHECK-LABEL: @sub3(
|
|
; ((X + 1) + Y) - (Y + 1) -> X
|
|
%xp1 = add i32 %x, 1
|
|
%lhs = add i32 %xp1, %y
|
|
%rhs = add i32 %y, 1
|
|
%r = sub i32 %lhs, %rhs
|
|
ret i32 %r
|
|
; CHECK: ret i32 %x
|
|
}
|
|
|
|
define i32 @sdiv1(i32 %x, i32 %y) {
|
|
; CHECK-LABEL: @sdiv1(
|
|
; (no overflow X * Y) / Y -> X
|
|
%mul = mul nsw i32 %x, %y
|
|
%r = sdiv i32 %mul, %y
|
|
ret i32 %r
|
|
; CHECK: ret i32 %x
|
|
}
|
|
|
|
define i32 @sdiv2(i32 %x, i32 %y) {
|
|
; CHECK-LABEL: @sdiv2(
|
|
; (((X / Y) * Y) / Y) -> X / Y
|
|
%div = sdiv i32 %x, %y
|
|
%mul = mul i32 %div, %y
|
|
%r = sdiv i32 %mul, %y
|
|
ret i32 %r
|
|
; CHECK: ret i32 %div
|
|
}
|
|
|
|
define i32 @sdiv3(i32 %x, i32 %y) {
|
|
; CHECK-LABEL: @sdiv3(
|
|
; (X rem Y) / Y -> 0
|
|
%rem = srem i32 %x, %y
|
|
%div = sdiv i32 %rem, %y
|
|
ret i32 %div
|
|
; CHECK: ret i32 0
|
|
}
|
|
|
|
define i32 @sdiv4(i32 %x, i32 %y) {
|
|
; CHECK-LABEL: @sdiv4(
|
|
; (X / Y) * Y -> X if the division is exact
|
|
%div = sdiv exact i32 %x, %y
|
|
%mul = mul i32 %div, %y
|
|
ret i32 %mul
|
|
; CHECK: ret i32 %x
|
|
}
|
|
|
|
define i32 @sdiv5(i32 %x, i32 %y) {
|
|
; CHECK-LABEL: @sdiv5(
|
|
; Y * (X / Y) -> X if the division is exact
|
|
%div = sdiv exact i32 %x, %y
|
|
%mul = mul i32 %y, %div
|
|
ret i32 %mul
|
|
; CHECK: ret i32 %x
|
|
}
|
|
|
|
|
|
define i32 @udiv1(i32 %x, i32 %y) {
|
|
; CHECK-LABEL: @udiv1(
|
|
; (no overflow X * Y) / Y -> X
|
|
%mul = mul nuw i32 %x, %y
|
|
%r = udiv i32 %mul, %y
|
|
ret i32 %r
|
|
; CHECK: ret i32 %x
|
|
}
|
|
|
|
define i32 @udiv2(i32 %x, i32 %y) {
|
|
; CHECK-LABEL: @udiv2(
|
|
; (((X / Y) * Y) / Y) -> X / Y
|
|
%div = udiv i32 %x, %y
|
|
%mul = mul i32 %div, %y
|
|
%r = udiv i32 %mul, %y
|
|
ret i32 %r
|
|
; CHECK: ret i32 %div
|
|
}
|
|
|
|
define i32 @udiv3(i32 %x, i32 %y) {
|
|
; CHECK-LABEL: @udiv3(
|
|
; (X rem Y) / Y -> 0
|
|
%rem = urem i32 %x, %y
|
|
%div = udiv i32 %rem, %y
|
|
ret i32 %div
|
|
; CHECK: ret i32 0
|
|
}
|
|
|
|
define i32 @udiv4(i32 %x, i32 %y) {
|
|
; CHECK-LABEL: @udiv4(
|
|
; (X / Y) * Y -> X if the division is exact
|
|
%div = udiv exact i32 %x, %y
|
|
%mul = mul i32 %div, %y
|
|
ret i32 %mul
|
|
; CHECK: ret i32 %x
|
|
}
|
|
|
|
define i32 @udiv5(i32 %x, i32 %y) {
|
|
; CHECK-LABEL: @udiv5(
|
|
; Y * (X / Y) -> X if the division is exact
|
|
%div = udiv exact i32 %x, %y
|
|
%mul = mul i32 %y, %div
|
|
ret i32 %mul
|
|
; CHECK: ret i32 %x
|
|
}
|
|
|
|
define i16 @trunc1(i32 %x) {
|
|
; CHECK-LABEL: @trunc1(
|
|
%y = add i32 %x, 1
|
|
%tx = trunc i32 %x to i16
|
|
%ty = trunc i32 %y to i16
|
|
%d = sub i16 %ty, %tx
|
|
ret i16 %d
|
|
; CHECK: ret i16 1
|
|
}
|