mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-10 17:29:44 +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
194 lines
5.8 KiB
LLVM
194 lines
5.8 KiB
LLVM
; RUN: llc -mtriple=aarch64-none-linux-gnu < %s | FileCheck %s
|
|
|
|
; First, a simple example from Clang. The registers could plausibly be
|
|
; different, but probably won't be.
|
|
|
|
%struct.foo = type { i8, [2 x i8], i8 }
|
|
|
|
define [1 x i64] @from_clang([1 x i64] %f.coerce, i32 %n) nounwind readnone {
|
|
; CHECK-LABEL: from_clang:
|
|
; CHECK: bfi w0, w1, #3, #4
|
|
; CHECK-NEXT: ret
|
|
|
|
entry:
|
|
%f.coerce.fca.0.extract = extractvalue [1 x i64] %f.coerce, 0
|
|
%tmp.sroa.0.0.extract.trunc = trunc i64 %f.coerce.fca.0.extract to i32
|
|
%bf.value = shl i32 %n, 3
|
|
%0 = and i32 %bf.value, 120
|
|
%f.sroa.0.0.insert.ext.masked = and i32 %tmp.sroa.0.0.extract.trunc, 135
|
|
%1 = or i32 %f.sroa.0.0.insert.ext.masked, %0
|
|
%f.sroa.0.0.extract.trunc = zext i32 %1 to i64
|
|
%tmp1.sroa.1.1.insert.insert = and i64 %f.coerce.fca.0.extract, 4294967040
|
|
%tmp1.sroa.0.0.insert.insert = or i64 %f.sroa.0.0.extract.trunc, %tmp1.sroa.1.1.insert.insert
|
|
%.fca.0.insert = insertvalue [1 x i64] undef, i64 %tmp1.sroa.0.0.insert.insert, 0
|
|
ret [1 x i64] %.fca.0.insert
|
|
}
|
|
|
|
define void @test_whole32(i32* %existing, i32* %new) {
|
|
; CHECK-LABEL: test_whole32:
|
|
; CHECK: bfi {{w[0-9]+}}, {{w[0-9]+}}, #26, #5
|
|
|
|
%oldval = load volatile i32* %existing
|
|
%oldval_keep = and i32 %oldval, 2214592511 ; =0x83ffffff
|
|
|
|
%newval = load volatile i32* %new
|
|
%newval_shifted = shl i32 %newval, 26
|
|
%newval_masked = and i32 %newval_shifted, 2080374784 ; = 0x7c000000
|
|
|
|
%combined = or i32 %oldval_keep, %newval_masked
|
|
store volatile i32 %combined, i32* %existing
|
|
|
|
ret void
|
|
}
|
|
|
|
define void @test_whole64(i64* %existing, i64* %new) {
|
|
; CHECK-LABEL: test_whole64:
|
|
; CHECK: bfi {{x[0-9]+}}, {{x[0-9]+}}, #26, #14
|
|
; CHECK-NOT: and
|
|
; CHECK: ret
|
|
|
|
%oldval = load volatile i64* %existing
|
|
%oldval_keep = and i64 %oldval, 18446742974265032703 ; = 0xffffff0003ffffffL
|
|
|
|
%newval = load volatile i64* %new
|
|
%newval_shifted = shl i64 %newval, 26
|
|
%newval_masked = and i64 %newval_shifted, 1099444518912 ; = 0xfffc000000
|
|
|
|
%combined = or i64 %oldval_keep, %newval_masked
|
|
store volatile i64 %combined, i64* %existing
|
|
|
|
ret void
|
|
}
|
|
|
|
define void @test_whole32_from64(i64* %existing, i64* %new) {
|
|
; CHECK-LABEL: test_whole32_from64:
|
|
; CHECK: bfi {{w[0-9]+}}, {{w[0-9]+}}, #{{0|16}}, #16
|
|
; CHECK-NOT: and
|
|
; CHECK: ret
|
|
|
|
%oldval = load volatile i64* %existing
|
|
%oldval_keep = and i64 %oldval, 4294901760 ; = 0xffff0000
|
|
|
|
%newval = load volatile i64* %new
|
|
%newval_masked = and i64 %newval, 65535 ; = 0xffff
|
|
|
|
%combined = or i64 %oldval_keep, %newval_masked
|
|
store volatile i64 %combined, i64* %existing
|
|
|
|
ret void
|
|
}
|
|
|
|
define void @test_32bit_masked(i32 *%existing, i32 *%new) {
|
|
; CHECK-LABEL: test_32bit_masked:
|
|
; CHECK: bfi [[INSERT:w[0-9]+]], {{w[0-9]+}}, #3, #4
|
|
; CHECK: and {{w[0-9]+}}, [[INSERT]], #0xff
|
|
|
|
%oldval = load volatile i32* %existing
|
|
%oldval_keep = and i32 %oldval, 135 ; = 0x87
|
|
|
|
%newval = load volatile i32* %new
|
|
%newval_shifted = shl i32 %newval, 3
|
|
%newval_masked = and i32 %newval_shifted, 120 ; = 0x78
|
|
|
|
%combined = or i32 %oldval_keep, %newval_masked
|
|
store volatile i32 %combined, i32* %existing
|
|
|
|
ret void
|
|
}
|
|
|
|
define void @test_64bit_masked(i64 *%existing, i64 *%new) {
|
|
; CHECK-LABEL: test_64bit_masked:
|
|
; CHECK: bfi [[INSERT:x[0-9]+]], {{x[0-9]+}}, #40, #8
|
|
; CHECK: and {{x[0-9]+}}, [[INSERT]], #0xffff00000000
|
|
|
|
%oldval = load volatile i64* %existing
|
|
%oldval_keep = and i64 %oldval, 1095216660480 ; = 0xff_0000_0000
|
|
|
|
%newval = load volatile i64* %new
|
|
%newval_shifted = shl i64 %newval, 40
|
|
%newval_masked = and i64 %newval_shifted, 280375465082880 ; = 0xff00_0000_0000
|
|
|
|
%combined = or i64 %newval_masked, %oldval_keep
|
|
store volatile i64 %combined, i64* %existing
|
|
|
|
ret void
|
|
}
|
|
|
|
; Mask is too complicated for literal ANDwwi, make sure other avenues are tried.
|
|
define void @test_32bit_complexmask(i32 *%existing, i32 *%new) {
|
|
; CHECK-LABEL: test_32bit_complexmask:
|
|
; CHECK: bfi {{w[0-9]+}}, {{w[0-9]+}}, #3, #4
|
|
; CHECK: and {{w[0-9]+}}, {{w[0-9]+}}, {{w[0-9]+}}
|
|
|
|
%oldval = load volatile i32* %existing
|
|
%oldval_keep = and i32 %oldval, 647 ; = 0x287
|
|
|
|
%newval = load volatile i32* %new
|
|
%newval_shifted = shl i32 %newval, 3
|
|
%newval_masked = and i32 %newval_shifted, 120 ; = 0x278
|
|
|
|
%combined = or i32 %oldval_keep, %newval_masked
|
|
store volatile i32 %combined, i32* %existing
|
|
|
|
ret void
|
|
}
|
|
|
|
; Neither mask is is a contiguous set of 1s. BFI can't be used
|
|
define void @test_32bit_badmask(i32 *%existing, i32 *%new) {
|
|
; CHECK-LABEL: test_32bit_badmask:
|
|
; CHECK-NOT: bfi
|
|
; CHECK: ret
|
|
|
|
%oldval = load volatile i32* %existing
|
|
%oldval_keep = and i32 %oldval, 135 ; = 0x87
|
|
|
|
%newval = load volatile i32* %new
|
|
%newval_shifted = shl i32 %newval, 3
|
|
%newval_masked = and i32 %newval_shifted, 632 ; = 0x278
|
|
|
|
%combined = or i32 %oldval_keep, %newval_masked
|
|
store volatile i32 %combined, i32* %existing
|
|
|
|
ret void
|
|
}
|
|
|
|
; Ditto
|
|
define void @test_64bit_badmask(i64 *%existing, i64 *%new) {
|
|
; CHECK-LABEL: test_64bit_badmask:
|
|
; CHECK-NOT: bfi
|
|
; CHECK: ret
|
|
|
|
%oldval = load volatile i64* %existing
|
|
%oldval_keep = and i64 %oldval, 135 ; = 0x87
|
|
|
|
%newval = load volatile i64* %new
|
|
%newval_shifted = shl i64 %newval, 3
|
|
%newval_masked = and i64 %newval_shifted, 664 ; = 0x278
|
|
|
|
%combined = or i64 %oldval_keep, %newval_masked
|
|
store volatile i64 %combined, i64* %existing
|
|
|
|
ret void
|
|
}
|
|
|
|
; Bitfield insert where there's a left-over shr needed at the beginning
|
|
; (e.g. result of str.bf1 = str.bf2)
|
|
define void @test_32bit_with_shr(i32* %existing, i32* %new) {
|
|
; CHECK-LABEL: test_32bit_with_shr:
|
|
|
|
%oldval = load volatile i32* %existing
|
|
%oldval_keep = and i32 %oldval, 2214592511 ; =0x83ffffff
|
|
|
|
%newval = load i32* %new
|
|
%newval_shifted = shl i32 %newval, 12
|
|
%newval_masked = and i32 %newval_shifted, 2080374784 ; = 0x7c000000
|
|
|
|
%combined = or i32 %oldval_keep, %newval_masked
|
|
store volatile i32 %combined, i32* %existing
|
|
; CHECK: lsr [[BIT:w[0-9]+]], {{w[0-9]+}}, #14
|
|
; CHECK: bfi {{w[0-9]}}, [[BIT]], #26, #5
|
|
|
|
ret void
|
|
}
|
|
|