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https://github.com/c64scene-ar/llvm-6502.git
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af2a1bebfc
After r182274, the branches in these tests must always be short. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182358 91177308-0d34-0410-b5e6-96231b3b80d8
86 lines
2.0 KiB
LLVM
86 lines
2.0 KiB
LLVM
; Test 32-bit atomic ORs.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
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; Check ORs of a variable.
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define i32 @f1(i32 %dummy, i32 *%src, i32 %b) {
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; CHECK: f1:
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; CHECK: l %r2, 0(%r3)
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; CHECK: [[LABEL:\.[^ ]*]]:
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; CHECK: lr %r0, %r2
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; CHECK: or %r0, %r4
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; CHECK: cs %r2, %r0, 0(%r3)
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; CHECK: jlh [[LABEL]]
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; CHECK: br %r14
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%res = atomicrmw or i32 *%src, i32 %b seq_cst
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ret i32 %res
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}
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; Check the lowest useful OILL value.
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define i32 @f2(i32 %dummy, i32 *%src) {
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; CHECK: f2:
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; CHECK: l %r2, 0(%r3)
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; CHECK: [[LABEL:\.[^ ]*]]:
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; CHECK: lr %r0, %r2
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; CHECK: oill %r0, 1
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; CHECK: cs %r2, %r0, 0(%r3)
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; CHECK: jlh [[LABEL]]
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; CHECK: br %r14
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%res = atomicrmw or i32 *%src, i32 1 seq_cst
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ret i32 %res
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}
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; Check the high end of the OILL range.
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define i32 @f3(i32 %dummy, i32 *%src) {
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; CHECK: f3:
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; CHECK: oill %r0, 65535
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; CHECK: br %r14
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%res = atomicrmw or i32 *%src, i32 65535 seq_cst
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ret i32 %res
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}
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; Check the lowest useful OILH value, which is the next value up.
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define i32 @f4(i32 %dummy, i32 *%src) {
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; CHECK: f4:
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; CHECK: oilh %r0, 1
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; CHECK: br %r14
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%res = atomicrmw or i32 *%src, i32 65536 seq_cst
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ret i32 %res
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}
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; Check the lowest useful OILF value, which is the next value up.
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define i32 @f5(i32 %dummy, i32 *%src) {
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; CHECK: f5:
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; CHECK: oilf %r0, 65537
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; CHECK: br %r14
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%res = atomicrmw or i32 *%src, i32 65537 seq_cst
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ret i32 %res
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}
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; Check the high end of the OILH range.
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define i32 @f6(i32 %dummy, i32 *%src) {
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; CHECK: f6:
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; CHECK: oilh %r0, 65535
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; CHECK: br %r14
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%res = atomicrmw or i32 *%src, i32 -65536 seq_cst
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ret i32 %res
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}
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; Check the next value up, which must use OILF.
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define i32 @f7(i32 %dummy, i32 *%src) {
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; CHECK: f7:
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; CHECK: oilf %r0, 4294901761
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; CHECK: br %r14
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%res = atomicrmw or i32 *%src, i32 -65535 seq_cst
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ret i32 %res
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}
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; Check the largest useful OILF value.
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define i32 @f8(i32 %dummy, i32 *%src) {
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; CHECK: f8:
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; CHECK: oilf %r0, 4294967294
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; CHECK: br %r14
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%res = atomicrmw or i32 *%src, i32 -2 seq_cst
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ret i32 %res
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}
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