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Imported Upstream version 5.18.0.234

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Former-commit-id: 8071ec1a8c5eaa9be24b41745add19297608001f
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Xamarin Public Jenkins (auto-signing)
2019-01-08 08:22:36 +00:00
parent f32dbaf0b2
commit 212f6bafcb
28494 changed files with 359 additions and 3867025 deletions
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78
external/llvm/test/CodeGen/AArch64/fast-isel-cmpxchg.ll vendored
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@ -1,78 +0,0 @@
; RUN: llc -mtriple=aarch64-- -O0 -fast-isel -fast-isel-abort=4 -verify-machineinstrs < %s | FileCheck %s
; CHECK-LABEL: cmpxchg_monotonic_32:
; CHECK: [[RETRY:.LBB[0-9_]+]]:
; CHECK-NEXT: mov [[STATUS:w[0-9]+]], #0
; CHECK-NEXT: ldaxr [[OLD:w[0-9]+]], [x0]
; CHECK-NEXT: cmp [[OLD]], w1
; CHECK-NEXT: b.ne [[DONE:.LBB[0-9_]+]]
; CHECK-NEXT: // %bb.2:
; CHECK-NEXT: stlxr [[STATUS]], w2, [x0]
; CHECK-NEXT: cbnz [[STATUS]], [[RETRY]]
; CHECK-NEXT: [[DONE]]:
; CHECK-NEXT: cmp [[OLD]], w1
; CHECK-NEXT: cset [[STATUS:w[0-9]+]], eq
; CHECK-NEXT: and [[STATUS32:w[0-9]+]], [[STATUS]], #0x1
; CHECK-NEXT: str [[STATUS32]], [x3]
; CHECK-NEXT: mov w0, [[OLD]]
define i32 @cmpxchg_monotonic_32(i32* %p, i32 %cmp, i32 %new, i32* %ps) #0 {
%tmp0 = cmpxchg i32* %p, i32 %cmp, i32 %new monotonic monotonic
%tmp1 = extractvalue { i32, i1 } %tmp0, 0
%tmp2 = extractvalue { i32, i1 } %tmp0, 1
%tmp3 = zext i1 %tmp2 to i32
store i32 %tmp3, i32* %ps
ret i32 %tmp1
}
; CHECK-LABEL: cmpxchg_acq_rel_32_load:
; CHECK: // %bb.0:
; CHECK: ldr [[NEW:w[0-9]+]], [x2]
; CHECK-NEXT: [[RETRY:.LBB[0-9_]+]]:
; CHECK-NEXT: mov [[STATUS:w[0-9]+]], #0
; CHECK-NEXT: ldaxr [[OLD:w[0-9]+]], [x0]
; CHECK-NEXT: cmp [[OLD]], w1
; CHECK-NEXT: b.ne [[DONE:.LBB[0-9_]+]]
; CHECK-NEXT: // %bb.2:
; CHECK-NEXT: stlxr [[STATUS]], [[NEW]], [x0]
; CHECK-NEXT: cbnz [[STATUS]], [[RETRY]]
; CHECK-NEXT: [[DONE]]:
; CHECK-NEXT: cmp [[OLD]], w1
; CHECK-NEXT: cset [[STATUS:w[0-9]+]], eq
; CHECK-NEXT: and [[STATUS32:w[0-9]+]], [[STATUS]], #0x1
; CHECK-NEXT: str [[STATUS32]], [x3]
; CHECK-NEXT: mov w0, [[OLD]]
define i32 @cmpxchg_acq_rel_32_load(i32* %p, i32 %cmp, i32* %pnew, i32* %ps) #0 {
%new = load i32, i32* %pnew
%tmp0 = cmpxchg i32* %p, i32 %cmp, i32 %new acq_rel acquire
%tmp1 = extractvalue { i32, i1 } %tmp0, 0
%tmp2 = extractvalue { i32, i1 } %tmp0, 1
%tmp3 = zext i1 %tmp2 to i32
store i32 %tmp3, i32* %ps
ret i32 %tmp1
}
; CHECK-LABEL: cmpxchg_seq_cst_64:
; CHECK: [[RETRY:.LBB[0-9_]+]]:
; CHECK-NEXT: mov [[STATUS:w[0-9]+]], #0
; CHECK-NEXT: ldaxr [[OLD:x[0-9]+]], [x0]
; CHECK-NEXT: cmp [[OLD]], x1
; CHECK-NEXT: b.ne [[DONE:.LBB[0-9_]+]]
; CHECK-NEXT: // %bb.2:
; CHECK-NEXT: stlxr [[STATUS]], x2, [x0]
; CHECK-NEXT: cbnz [[STATUS]], [[RETRY]]
; CHECK-NEXT: [[DONE]]:
; CHECK-NEXT: cmp [[OLD]], x1
; CHECK-NEXT: cset [[STATUS:w[0-9]+]], eq
; CHECK-NEXT: and [[STATUS32:w[0-9]+]], [[STATUS]], #0x1
; CHECK-NEXT: str [[STATUS32]], [x3]
; CHECK-NEXT: mov x0, [[OLD]]
define i64 @cmpxchg_seq_cst_64(i64* %p, i64 %cmp, i64 %new, i32* %ps) #0 {
%tmp0 = cmpxchg i64* %p, i64 %cmp, i64 %new seq_cst seq_cst
%tmp1 = extractvalue { i64, i1 } %tmp0, 0
%tmp2 = extractvalue { i64, i1 } %tmp0, 1
%tmp3 = zext i1 %tmp2 to i32
store i32 %tmp3, i32* %ps
ret i64 %tmp1
}
attributes #0 = { nounwind }