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Imported Upstream version 6.0.0.172

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Former-commit-id: f3cc9b82f3e5bd8f0fd3ebc098f789556b44e9cd
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Xamarin Public Jenkins (auto-signing)
2019-04-12 14:10:50 +00:00
parent 8016999e4d
commit 64ac736ec5
32155 changed files with 3981439 additions and 75368 deletions
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39
external/llvm/test/Transforms/InstCombine/select-cmpxchg.ll vendored Normal file
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; RUN: opt < %s -instcombine -S | FileCheck %s
define i64 @cmpxchg_0(i64* %ptr, i64 %compare, i64 %new_value) {
; CHECK-LABEL: @cmpxchg_0(
; CHECK-NEXT: %tmp0 = cmpxchg i64* %ptr, i64 %compare, i64 %new_value seq_cst seq_cst
; CHECK-NEXT: %tmp2 = extractvalue { i64, i1 } %tmp0, 0
; CHECK-NEXT: ret i64 %tmp2
;
%tmp0 = cmpxchg i64* %ptr, i64 %compare, i64 %new_value seq_cst seq_cst
%tmp1 = extractvalue { i64, i1 } %tmp0, 1
%tmp2 = extractvalue { i64, i1 } %tmp0, 0
%tmp3 = select i1 %tmp1, i64 %compare, i64 %tmp2
ret i64 %tmp3
}
define i64 @cmpxchg_1(i64* %ptr, i64 %compare, i64 %new_value) {
; CHECK-LABEL: @cmpxchg_1(
; CHECK-NEXT: %tmp0 = cmpxchg i64* %ptr, i64 %compare, i64 %new_value seq_cst seq_cst
; CHECK-NEXT: ret i64 %compare
;
%tmp0 = cmpxchg i64* %ptr, i64 %compare, i64 %new_value seq_cst seq_cst
%tmp1 = extractvalue { i64, i1 } %tmp0, 1
%tmp2 = extractvalue { i64, i1 } %tmp0, 0
%tmp3 = select i1 %tmp1, i64 %tmp2, i64 %compare
ret i64 %tmp3
}
define i64 @cmpxchg_2(i64* %ptr, i64 %compare, i64 %new_value) {
; CHECK-LABEL: @cmpxchg_2(
; CHECK-NEXT: %tmp0 = cmpxchg i64* %ptr, i64 %compare, i64 %new_value acq_rel monotonic
; CHECK-NEXT: ret i64 %compare
;
%tmp0 = cmpxchg i64* %ptr, i64 %compare, i64 %new_value acq_rel monotonic
%tmp1 = extractvalue { i64, i1 } %tmp0, 1
%tmp2 = extractvalue { i64, i1 } %tmp0, 0
%tmp3 = select i1 %tmp1, i64 %compare, i64 %tmp2
%tmp4 = select i1 %tmp1, i64 %tmp3, i64 %compare
ret i64 %tmp4
}