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https://github.com/c64scene-ar/llvm-6502.git
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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
141 lines
3.7 KiB
LLVM
141 lines
3.7 KiB
LLVM
; Test 64-bit atomic minimum and maximum.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
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; Check signed minium.
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define i64 @f1(i64 %dummy, i64 *%src, i64 %b) {
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; CHECK-LABEL: f1:
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; CHECK: lg %r2, 0(%r3)
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; CHECK: [[LOOP:\.[^:]*]]:
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; CHECK: lgr [[NEW:%r[0-9]+]], %r2
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; CHECK: cgrjle %r2, %r4, [[KEEP:\..*]]
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; CHECK: lgr [[NEW]], %r4
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; CHECK: csg %r2, [[NEW]], 0(%r3)
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; CHECK: jlh [[LOOP]]
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; CHECK: br %r14
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%res = atomicrmw min i64 *%src, i64 %b seq_cst
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ret i64 %res
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}
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; Check signed maximum.
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define i64 @f2(i64 %dummy, i64 *%src, i64 %b) {
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; CHECK-LABEL: f2:
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; CHECK: lg %r2, 0(%r3)
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; CHECK: [[LOOP:\.[^:]*]]:
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; CHECK: lgr [[NEW:%r[0-9]+]], %r2
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; CHECK: cgrjhe %r2, %r4, [[KEEP:\..*]]
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; CHECK: lgr [[NEW]], %r4
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; CHECK: csg %r2, [[NEW]], 0(%r3)
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; CHECK: jlh [[LOOP]]
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; CHECK: br %r14
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%res = atomicrmw max i64 *%src, i64 %b seq_cst
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ret i64 %res
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}
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; Check unsigned minimum.
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define i64 @f3(i64 %dummy, i64 *%src, i64 %b) {
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; CHECK-LABEL: f3:
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; CHECK: lg %r2, 0(%r3)
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; CHECK: [[LOOP:\.[^:]*]]:
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; CHECK: clgr %r2, %r4
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; CHECK: lgr [[NEW:%r[0-9]+]], %r2
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; CHECK: jle [[KEEP:\..*]]
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; CHECK: lgr [[NEW]], %r4
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; CHECK: csg %r2, [[NEW]], 0(%r3)
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; CHECK: jlh [[LOOP]]
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; CHECK: br %r14
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%res = atomicrmw umin i64 *%src, i64 %b seq_cst
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ret i64 %res
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}
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; Check unsigned maximum.
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define i64 @f4(i64 %dummy, i64 *%src, i64 %b) {
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; CHECK-LABEL: f4:
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; CHECK: lg %r2, 0(%r3)
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; CHECK: [[LOOP:\.[^:]*]]:
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; CHECK: clgr %r2, %r4
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; CHECK: lgr [[NEW:%r[0-9]+]], %r2
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; CHECK: jhe [[KEEP:\..*]]
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; CHECK: lgr [[NEW]], %r4
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; CHECK: csg %r2, [[NEW]], 0(%r3)
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; CHECK: jlh [[LOOP]]
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; CHECK: br %r14
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%res = atomicrmw umax i64 *%src, i64 %b seq_cst
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ret i64 %res
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}
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; Check the high end of the aligned CSG range.
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define i64 @f5(i64 %dummy, i64 *%src, i64 %b) {
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; CHECK-LABEL: f5:
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; CHECK: lg %r2, 524280(%r3)
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; CHECK: csg %r2, {{%r[0-9]+}}, 524280(%r3)
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; CHECK: br %r14
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%ptr = getelementptr i64 *%src, i64 65535
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%res = atomicrmw min i64 *%ptr, i64 %b seq_cst
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ret i64 %res
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}
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; Check the next doubleword up, which requires separate address logic.
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define i64 @f6(i64 %dummy, i64 *%src, i64 %b) {
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; CHECK-LABEL: f6:
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; CHECK: agfi %r3, 524288
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; CHECK: lg %r2, 0(%r3)
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; CHECK: csg %r2, {{%r[0-9]+}}, 0(%r3)
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; CHECK: br %r14
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%ptr = getelementptr i64 *%src, i64 65536
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%res = atomicrmw min i64 *%ptr, i64 %b seq_cst
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ret i64 %res
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}
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; Check the low end of the CSG range.
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define i64 @f7(i64 %dummy, i64 *%src, i64 %b) {
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; CHECK-LABEL: f7:
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; CHECK: lg %r2, -524288(%r3)
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; CHECK: csg %r2, {{%r[0-9]+}}, -524288(%r3)
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; CHECK: br %r14
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%ptr = getelementptr i64 *%src, i64 -65536
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%res = atomicrmw min i64 *%ptr, i64 %b seq_cst
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ret i64 %res
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}
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; Check the next doubleword down, which requires separate address logic.
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define i64 @f8(i64 %dummy, i64 *%src, i64 %b) {
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; CHECK-LABEL: f8:
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; CHECK: agfi %r3, -524296
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; CHECK: lg %r2, 0(%r3)
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; CHECK: csg %r2, {{%r[0-9]+}}, 0(%r3)
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; CHECK: br %r14
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%ptr = getelementptr i64 *%src, i64 -65537
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%res = atomicrmw min i64 *%ptr, i64 %b seq_cst
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ret i64 %res
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}
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; Check that indexed addresses are not allowed.
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define i64 @f9(i64 %dummy, i64 %base, i64 %index, i64 %b) {
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; CHECK-LABEL: f9:
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; CHECK: agr %r3, %r4
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; CHECK: lg %r2, 0(%r3)
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; CHECK: csg %r2, {{%r[0-9]+}}, 0(%r3)
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; CHECK: br %r14
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%add = add i64 %base, %index
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%ptr = inttoptr i64 %add to i64 *
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%res = atomicrmw min i64 *%ptr, i64 %b seq_cst
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ret i64 %res
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}
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; Check that constants are handled.
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define i64 @f10(i64 %dummy, i64 *%ptr) {
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; CHECK-LABEL: f10:
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; CHECK: lghi [[LIMIT:%r[0-9]+]], 42
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; CHECK: lg %r2, 0(%r3)
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; CHECK: [[LOOP:\.[^:]*]]:
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; CHECK: lgr [[NEW:%r[0-9]+]], %r2
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; CHECK: cgrjle %r2, [[LIMIT]], [[KEEP:\..*]]
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; CHECK: lghi [[NEW]], 42
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; CHECK: csg %r2, [[NEW]], 0(%r3)
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; CHECK: jlh [[LOOP]]
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; CHECK: br %r14
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%res = atomicrmw min i64 *%ptr, i64 42 seq_cst
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ret i64 %res
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}
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