mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-16 11:30:51 +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
56 lines
2.0 KiB
LLVM
56 lines
2.0 KiB
LLVM
; Test 8-bit compare and swap.
|
|
;
|
|
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s -check-prefix=CHECK-MAIN
|
|
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s -check-prefix=CHECK-SHIFT
|
|
|
|
; Check compare and swap with a variable.
|
|
; - CHECK is for the main loop.
|
|
; - CHECK-SHIFT makes sure that the negated shift count used by the second
|
|
; RLL is set up correctly. The negation is independent of the NILL and L
|
|
; tested in CHECK. CHECK-SHIFT also checks that %r3 is not modified before
|
|
; being used in the RISBG (in contrast to things like atomic addition,
|
|
; which shift %r3 left so that %b is at the high end of the word).
|
|
define i8 @f1(i8 %dummy, i8 *%src, i8 %cmp, i8 %swap) {
|
|
; CHECK-MAIN-LABEL: f1:
|
|
; CHECK-MAIN-DAG: sllg [[SHIFT:%r[1-9]+]], %r3, 3
|
|
; CHECK-MAIN-DAG: risbg [[BASE:%r[1-9]+]], %r3, 0, 189, 0
|
|
; CHECK-MAIN: l [[OLD:%r[0-9]+]], 0([[BASE]])
|
|
; CHECK-MAIN: [[LOOP:\.[^ ]*]]:
|
|
; CHECK-MAIN: rll %r2, [[OLD]], 8([[SHIFT]])
|
|
; CHECK-MAIN: risbg %r4, %r2, 32, 55, 0
|
|
; CHECK-MAIN: crjlh %r2, %r4, [[EXIT:\.[^ ]*]]
|
|
; CHECK-MAIN: risbg %r5, %r2, 32, 55, 0
|
|
; CHECK-MAIN: rll [[NEW:%r[0-9]+]], %r5, -8({{%r[1-9]+}})
|
|
; CHECK-MAIN: cs [[OLD]], [[NEW]], 0([[BASE]])
|
|
; CHECK-MAIN: jlh [[LOOP]]
|
|
; CHECK-MAIN: [[EXIT]]:
|
|
; CHECK-MAIN-NOT: %r2
|
|
; CHECK-MAIN: br %r14
|
|
;
|
|
; CHECK-SHIFT-LABEL: f1:
|
|
; CHECK-SHIFT: sllg [[SHIFT:%r[1-9]+]], %r3, 3
|
|
; CHECK-SHIFT: lcr [[NEGSHIFT:%r[1-9]+]], [[SHIFT]]
|
|
; CHECK-SHIFT: rll
|
|
; CHECK-SHIFT: rll {{%r[0-9]+}}, %r5, -8([[NEGSHIFT]])
|
|
%res = cmpxchg i8 *%src, i8 %cmp, i8 %swap seq_cst
|
|
ret i8 %res
|
|
}
|
|
|
|
; Check compare and swap with constants. We should force the constants into
|
|
; registers and use the sequence above.
|
|
define i8 @f2(i8 *%src) {
|
|
; CHECK-LABEL: f2:
|
|
; CHECK: lhi [[CMP:%r[0-9]+]], 42
|
|
; CHECK: risbg [[CMP]], {{%r[0-9]+}}, 32, 55, 0
|
|
; CHECK: risbg
|
|
; CHECK: br %r14
|
|
;
|
|
; CHECK-SHIFT-LABEL: f2:
|
|
; CHECK-SHIFT: lhi [[SWAP:%r[0-9]+]], 88
|
|
; CHECK-SHIFT: risbg
|
|
; CHECK-SHIFT: risbg [[SWAP]], {{%r[0-9]+}}, 32, 55, 0
|
|
; CHECK-SHIFT: br %r14
|
|
%res = cmpxchg i8 *%src, i8 42, i8 88 seq_cst
|
|
ret i8 %res
|
|
}
|