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7e501cf4c3
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
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mv $TEMP $NAME
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done
llvm-svn: 186280
221 lines
6.0 KiB
LLVM
221 lines
6.0 KiB
LLVM
; Test 64-bit ordered comparisons that are really between a memory byte
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; and a constant.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
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; Check unsigned comparison near the low end of the CLI range, using zero
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; extension.
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define double @f1(double %a, double %b, i8 *%ptr) {
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; CHECK-LABEL: f1:
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; CHECK: cli 0(%r2), 1
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; CHECK-NEXT: jh
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; CHECK: br %r14
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%val = load i8 *%ptr
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%ext = zext i8 %val to i64
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%cond = icmp ugt i64 %ext, 1
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%res = select i1 %cond, double %a, double %b
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ret double %res
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}
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; Check unsigned comparison near the low end of the CLI range, using sign
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; extension.
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define double @f2(double %a, double %b, i8 *%ptr) {
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; CHECK-LABEL: f2:
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; CHECK: cli 0(%r2), 1
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; CHECK-NEXT: jh
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; CHECK: br %r14
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%val = load i8 *%ptr
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%ext = sext i8 %val to i64
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%cond = icmp ugt i64 %ext, 1
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%res = select i1 %cond, double %a, double %b
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ret double %res
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}
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; Check unsigned comparison near the high end of the CLI range, using zero
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; extension.
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define double @f3(double %a, double %b, i8 *%ptr) {
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; CHECK-LABEL: f3:
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; CHECK: cli 0(%r2), 254
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; CHECK-NEXT: jl
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; CHECK: br %r14
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%val = load i8 *%ptr
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%ext = zext i8 %val to i64
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%cond = icmp ult i64 %ext, 254
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%res = select i1 %cond, double %a, double %b
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ret double %res
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}
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; Check unsigned comparison near the high end of the CLI range, using sign
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; extension.
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define double @f4(double %a, double %b, i8 *%ptr) {
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; CHECK-LABEL: f4:
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; CHECK: cli 0(%r2), 254
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; CHECK-NEXT: jl
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; CHECK: br %r14
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%val = load i8 *%ptr
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%ext = sext i8 %val to i64
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%cond = icmp ult i64 %ext, -2
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%res = select i1 %cond, double %a, double %b
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ret double %res
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}
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; Check unsigned comparison above the high end of the CLI range, using zero
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; extension. The condition is always true.
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define double @f5(double %a, double %b, i8 *%ptr) {
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; CHECK-LABEL: f5:
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; CHECK-NOT: cli
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; CHECK: br %r14
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%val = load i8 *%ptr
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%ext = zext i8 %val to i64
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%cond = icmp ult i64 %ext, 256
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%res = select i1 %cond, double %a, double %b
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ret double %res
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}
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; When using unsigned comparison with sign extension, equality with values
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; in the range [128, MAX-129] is impossible, and ordered comparisons with
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; those values are effectively sign tests. Since such comparisons are
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; unlikely to occur in practice, we don't bother optimizing the second case,
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; and simply ignore CLI for this range. First check the low end of the range.
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define double @f6(double %a, double %b, i8 *%ptr) {
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; CHECK-LABEL: f6:
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; CHECK-NOT: cli
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; CHECK: br %r14
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%val = load i8 *%ptr
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%ext = sext i8 %val to i64
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%cond = icmp ult i64 %ext, 128
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%res = select i1 %cond, double %a, double %b
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ret double %res
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}
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; ...and then the high end.
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define double @f7(double %a, double %b, i8 *%ptr) {
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; CHECK-LABEL: f7:
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; CHECK-NOT: cli
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; CHECK: br %r14
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%val = load i8 *%ptr
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%ext = sext i8 %val to i64
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%cond = icmp ult i64 %ext, -129
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%res = select i1 %cond, double %a, double %b
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ret double %res
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}
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; Check signed comparison near the low end of the CLI range, using zero
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; extension. This is equivalent to unsigned comparison.
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define double @f8(double %a, double %b, i8 *%ptr) {
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; CHECK-LABEL: f8:
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; CHECK: cli 0(%r2), 1
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; CHECK-NEXT: jh
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; CHECK: br %r14
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%val = load i8 *%ptr
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%ext = zext i8 %val to i64
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%cond = icmp sgt i64 %ext, 1
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%res = select i1 %cond, double %a, double %b
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ret double %res
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}
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; Check signed comparison near the low end of the CLI range, using sign
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; extension. This cannot use CLI.
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define double @f9(double %a, double %b, i8 *%ptr) {
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; CHECK-LABEL: f9:
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; CHECK-NOT: cli
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; CHECK: br %r14
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%val = load i8 *%ptr
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%ext = sext i8 %val to i64
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%cond = icmp sgt i64 %ext, 1
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%res = select i1 %cond, double %a, double %b
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ret double %res
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}
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; Check signed comparison near the high end of the CLI range, using zero
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; extension. This is equivalent to unsigned comparison.
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define double @f10(double %a, double %b, i8 *%ptr) {
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; CHECK-LABEL: f10:
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; CHECK: cli 0(%r2), 254
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; CHECK-NEXT: jl
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; CHECK: br %r14
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%val = load i8 *%ptr
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%ext = zext i8 %val to i64
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%cond = icmp slt i64 %ext, 254
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%res = select i1 %cond, double %a, double %b
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ret double %res
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}
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; Check signed comparison near the high end of the CLI range, using sign
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; extension. This cannot use CLI.
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define double @f11(double %a, double %b, i8 *%ptr) {
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; CHECK-LABEL: f11:
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; CHECK-NOT: cli
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; CHECK: br %r14
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%val = load i8 *%ptr
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%ext = sext i8 %val to i64
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%cond = icmp slt i64 %ext, -2
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%res = select i1 %cond, double %a, double %b
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ret double %res
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}
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; Check signed comparison above the high end of the CLI range, using zero
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; extension. The condition is always true.
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define double @f12(double %a, double %b, i8 *%ptr) {
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; CHECK-LABEL: f12:
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; CHECK-NOT: cli
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; CHECK: br %r14
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%val = load i8 *%ptr
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%ext = zext i8 %val to i64
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%cond = icmp slt i64 %ext, 256
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%res = select i1 %cond, double %a, double %b
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ret double %res
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}
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; Check tests for nonnegative values.
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define double @f13(double %a, double %b, i8 *%ptr) {
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; CHECK-LABEL: f13:
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; CHECK: cli 0(%r2), 128
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; CHECK-NEXT: jl
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; CHECK: br %r14
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%val = load i8 *%ptr
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%ext = sext i8 %val to i64
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%cond = icmp sge i64 %ext, 0
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%res = select i1 %cond, double %a, double %b
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ret double %res
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}
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; ...and another form
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define double @f14(double %a, double %b, i8 *%ptr) {
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; CHECK-LABEL: f14:
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; CHECK: cli 0(%r2), 128
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; CHECK-NEXT: jl
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; CHECK: br %r14
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%val = load i8 *%ptr
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%ext = sext i8 %val to i64
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%cond = icmp sgt i64 %ext, -1
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%res = select i1 %cond, double %a, double %b
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ret double %res
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}
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; Check tests for negative values.
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define double @f15(double %a, double %b, i8 *%ptr) {
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; CHECK-LABEL: f15:
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; CHECK: cli 0(%r2), 127
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; CHECK-NEXT: jh
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; CHECK: br %r14
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%val = load i8 *%ptr
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%ext = sext i8 %val to i64
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%cond = icmp slt i64 %ext, 0
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%res = select i1 %cond, double %a, double %b
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ret double %res
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}
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; ...and another form
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define double @f16(double %a, double %b, i8 *%ptr) {
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; CHECK-LABEL: f16:
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; CHECK: cli 0(%r2), 127
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; CHECK-NEXT: jh
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; CHECK: br %r14
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%val = load i8 *%ptr
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%ext = sext i8 %val to i64
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%cond = icmp sle i64 %ext, -1
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%res = select i1 %cond, double %a, double %b
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ret double %res
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}
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