derek.holloway
7502bf64a4
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61 lines
3.1 KiB
LLVM
61 lines
3.1 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S -mtriple=i686-linux-gnu -passes='require<libcall-lowering-info>,atomic-expand' %s | FileCheck %s
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define double @atomic_xchg_f64(ptr %ptr) nounwind {
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; CHECK-LABEL: @atomic_xchg_f64(
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; CHECK-NEXT: [[TMP1:%.*]] = load i64, ptr [[PTR:%.*]], align 8
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; CHECK-NEXT: br label [[ATOMICRMW_START:%.*]]
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; CHECK: atomicrmw.start:
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; CHECK-NEXT: [[LOADED:%.*]] = phi i64 [ [[TMP1]], [[TMP0:%.*]] ], [ [[NEWLOADED:%.*]], [[ATOMICRMW_START]] ]
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; CHECK-NEXT: [[TMP2:%.*]] = cmpxchg ptr [[PTR]], i64 [[LOADED]], i64 4616189618054758400 seq_cst seq_cst, align 8
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; CHECK-NEXT: [[SUCCESS:%.*]] = extractvalue { i64, i1 } [[TMP2]], 1
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; CHECK-NEXT: [[NEWLOADED]] = extractvalue { i64, i1 } [[TMP2]], 0
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; CHECK-NEXT: br i1 [[SUCCESS]], label [[ATOMICRMW_END:%.*]], label [[ATOMICRMW_START]]
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; CHECK: atomicrmw.end:
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; CHECK-NEXT: [[TMP3:%.*]] = bitcast i64 [[NEWLOADED]] to double
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; CHECK-NEXT: ret double [[TMP3]]
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;
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%result = atomicrmw xchg ptr %ptr, double 4.0 seq_cst
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ret double %result
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}
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define double @atomic_xchg_f64_as1(ptr addrspace(1) %ptr) nounwind {
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; CHECK-LABEL: @atomic_xchg_f64_as1(
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; CHECK-NEXT: [[TMP1:%.*]] = load i64, ptr addrspace(1) [[PTR:%.*]], align 8
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; CHECK-NEXT: br label [[ATOMICRMW_START:%.*]]
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; CHECK: atomicrmw.start:
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; CHECK-NEXT: [[LOADED:%.*]] = phi i64 [ [[TMP1]], [[TMP0:%.*]] ], [ [[NEWLOADED:%.*]], [[ATOMICRMW_START]] ]
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; CHECK-NEXT: [[TMP2:%.*]] = cmpxchg ptr addrspace(1) [[PTR]], i64 [[LOADED]], i64 4616189618054758400 seq_cst seq_cst, align 8
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; CHECK-NEXT: [[SUCCESS:%.*]] = extractvalue { i64, i1 } [[TMP2]], 1
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; CHECK-NEXT: [[NEWLOADED]] = extractvalue { i64, i1 } [[TMP2]], 0
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; CHECK-NEXT: br i1 [[SUCCESS]], label [[ATOMICRMW_END:%.*]], label [[ATOMICRMW_START]]
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; CHECK: atomicrmw.end:
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; CHECK-NEXT: [[TMP3:%.*]] = bitcast i64 [[NEWLOADED]] to double
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; CHECK-NEXT: ret double [[TMP3]]
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;
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%result = atomicrmw xchg ptr addrspace(1) %ptr, double 4.0 seq_cst
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ret double %result
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}
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define double @atomic_xchg_f64_preserve_md(ptr %ptr) nounwind {
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; CHECK-LABEL: @atomic_xchg_f64_preserve_md(
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; CHECK-NEXT: [[TMP1:%.*]] = load i64, ptr [[PTR:%.*]], align 8, !mmra [[META0:![0-9]+]]
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; CHECK-NEXT: br label [[ATOMICRMW_START:%.*]]
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; CHECK: atomicrmw.start:
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; CHECK-NEXT: [[LOADED:%.*]] = phi i64 [ [[TMP1]], [[TMP0:%.*]] ], [ [[NEWLOADED:%.*]], [[ATOMICRMW_START]] ]
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; CHECK-NEXT: [[TMP2:%.*]] = cmpxchg ptr [[PTR]], i64 [[LOADED]], i64 4616189618054758400 seq_cst seq_cst, align 8, !mmra [[META0]]
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; CHECK-NEXT: [[SUCCESS:%.*]] = extractvalue { i64, i1 } [[TMP2]], 1
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; CHECK-NEXT: [[NEWLOADED]] = extractvalue { i64, i1 } [[TMP2]], 0
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; CHECK-NEXT: br i1 [[SUCCESS]], label [[ATOMICRMW_END:%.*]], label [[ATOMICRMW_START]]
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; CHECK: atomicrmw.end:
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; CHECK-NEXT: [[TMP3:%.*]] = bitcast i64 [[NEWLOADED]] to double
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; CHECK-NEXT: ret double [[TMP3]]
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;
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%result = atomicrmw xchg ptr %ptr, double 4.000000e+00 seq_cst, align 8, !mmra !0
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ret double %result
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}
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!0 = !{!1, !2}
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!1 = !{!"foo", !"bar"}
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!2 = !{!"bux", !"baz"}
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