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158 lines
3.8 KiB
LLVM
158 lines
3.8 KiB
LLVM
; Test 64-bit atomic ANDs.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
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; Check ANDs of a variable.
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define i64 @f1(i64 %dummy, i64 *%src, i64 %b) {
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; CHECK: f1:
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; CHECK: lg %r2, 0(%r3)
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; CHECK: [[LABEL:\.[^:]*]]:
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; CHECK: lgr %r0, %r2
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; CHECK: ngr %r0, %r4
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; CHECK: csg %r2, %r0, 0(%r3)
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; CHECK: jlh [[LABEL]]
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; CHECK: br %r14
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%res = atomicrmw and i64 *%src, i64 %b seq_cst
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ret i64 %res
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}
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; Check ANDs of 1, which must be done using a register.
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define i64 @f2(i64 %dummy, i64 *%src) {
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; CHECK: f2:
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; CHECK: ngr
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; CHECK: br %r14
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%res = atomicrmw and i64 *%src, i64 1 seq_cst
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ret i64 %res
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}
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; Check the low end of the NIHF range.
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define i64 @f3(i64 %dummy, i64 *%src) {
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; CHECK: f3:
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; CHECK: lg %r2, 0(%r3)
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; CHECK: [[LABEL:\.[^:]*]]:
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; CHECK: lgr %r0, %r2
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; CHECK: nihf %r0, 0
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; CHECK: csg %r2, %r0, 0(%r3)
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; CHECK: jlh [[LABEL]]
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; CHECK: br %r14
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%res = atomicrmw and i64 *%src, i64 4294967295 seq_cst
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ret i64 %res
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}
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; Check the next value up, which must use a register.
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define i64 @f4(i64 %dummy, i64 *%src) {
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; CHECK: f4:
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; CHECK: ngr
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; CHECK: br %r14
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%res = atomicrmw and i64 *%src, i64 4294967296 seq_cst
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ret i64 %res
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}
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; Check the low end of the NIHH range.
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define i64 @f5(i64 %dummy, i64 *%src) {
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; CHECK: f5:
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; CHECK: nihh %r0, 0
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; CHECK: br %r14
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%res = atomicrmw and i64 *%src, i64 281474976710655 seq_cst
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ret i64 %res
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}
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; Check the next value up, which must use a register.
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define i64 @f6(i64 %dummy, i64 *%src) {
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; CHECK: f6:
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; CHECK: ngr
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; CHECK: br %r14
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%res = atomicrmw and i64 *%src, i64 281474976710656 seq_cst
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ret i64 %res
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}
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; Check the highest useful NILL value.
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define i64 @f7(i64 %dummy, i64 *%src) {
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; CHECK: f7:
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; CHECK: nill %r0, 65534
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; CHECK: br %r14
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%res = atomicrmw and i64 *%src, i64 -2 seq_cst
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ret i64 %res
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}
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; Check the low end of the NILL range.
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define i64 @f8(i64 %dummy, i64 *%src) {
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; CHECK: f8:
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; CHECK: nill %r0, 0
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; CHECK: br %r14
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%res = atomicrmw and i64 *%src, i64 -65536 seq_cst
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ret i64 %res
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}
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; Check the highest useful NILH value, which is one less than the above.
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define i64 @f9(i64 %dummy, i64 *%src) {
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; CHECK: f9:
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; CHECK: nilh %r0, 65534
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; CHECK: br %r14
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%res = atomicrmw and i64 *%src, i64 -65537 seq_cst
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ret i64 %res
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}
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; Check the highest useful NILF value, which is one less than the above.
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define i64 @f10(i64 %dummy, i64 *%src) {
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; CHECK: f10:
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; CHECK: nilf %r0, 4294901758
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; CHECK: br %r14
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%res = atomicrmw and i64 *%src, i64 -65538 seq_cst
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ret i64 %res
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}
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; Check the low end of the NILH range.
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define i64 @f11(i64 %dummy, i64 *%src) {
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; CHECK: f11:
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; CHECK: nilh %r0, 0
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; CHECK: br %r14
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%res = atomicrmw and i64 *%src, i64 -4294901761 seq_cst
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ret i64 %res
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}
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; Check the low end of the NILF range.
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define i64 @f12(i64 %dummy, i64 *%src) {
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; CHECK: f12:
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; CHECK: nilf %r0, 0
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; CHECK: br %r14
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%res = atomicrmw and i64 *%src, i64 -4294967296 seq_cst
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ret i64 %res
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}
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; Check the highest useful NIHL value, which is one less than the above.
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define i64 @f13(i64 %dummy, i64 *%src) {
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; CHECK: f13:
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; CHECK: nihl %r0, 65534
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; CHECK: br %r14
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%res = atomicrmw and i64 *%src, i64 -4294967297 seq_cst
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ret i64 %res
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}
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; Check the low end of the NIHL range.
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define i64 @f14(i64 %dummy, i64 *%src) {
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; CHECK: f14:
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; CHECK: nihl %r0, 0
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; CHECK: br %r14
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%res = atomicrmw and i64 *%src, i64 -281470681743361 seq_cst
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ret i64 %res
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}
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; Check the highest useful NIHH value, which is 1<<32 less than the above.
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define i64 @f15(i64 %dummy, i64 *%src) {
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; CHECK: f15:
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; CHECK: nihh %r0, 65534
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; CHECK: br %r14
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%res = atomicrmw and i64 *%src, i64 -281474976710657 seq_cst
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ret i64 %res
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}
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; Check the highest useful NIHF value, which is 1<<32 less than the above.
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define i64 @f16(i64 %dummy, i64 *%src) {
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; CHECK: f16:
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; CHECK: nihf %r0, 4294901758
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; CHECK: br %r14
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%res = atomicrmw and i64 *%src, i64 -281479271677953 seq_cst
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ret i64 %res
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}
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