derek.holloway
7502bf64a4
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52 lines
2.7 KiB
LLVM
52 lines
2.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S -mtriple=armv7-apple-ios7.0 -passes='require<libcall-lowering-info>,atomic-expand' %s | FileCheck %s
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define float @test_atomicrmw_fadd_f32(ptr %ptr, float %value) {
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; CHECK-LABEL: @test_atomicrmw_fadd_f32(
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; CHECK-NEXT: call void @llvm.arm.dmb(i32 11)
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; CHECK-NEXT: [[TMP6:%.*]] = load atomic i32, ptr [[PTR:%.*]] monotonic, align 4
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; CHECK-NEXT: [[TMP1:%.*]] = bitcast i32 [[TMP6]] to float
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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 float [ [[TMP1]], [[TMP0:%.*]] ], [ [[TMP5:%.*]], [[ATOMICRMW_START]] ]
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; CHECK-NEXT: [[NEW:%.*]] = fadd float [[LOADED]], [[VALUE:%.*]]
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; CHECK-NEXT: [[TMP2:%.*]] = bitcast float [[NEW]] to i32
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; CHECK-NEXT: [[TMP3:%.*]] = bitcast float [[LOADED]] to i32
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; CHECK-NEXT: [[TMP4:%.*]] = cmpxchg ptr [[PTR]], i32 [[TMP3]], i32 [[TMP2]] monotonic monotonic, align 4
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; CHECK-NEXT: [[SUCCESS:%.*]] = extractvalue { i32, i1 } [[TMP4]], 1
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; CHECK-NEXT: [[NEWLOADED:%.*]] = extractvalue { i32, i1 } [[TMP4]], 0
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; CHECK-NEXT: [[TMP5]] = bitcast i32 [[NEWLOADED]] to float
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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: call void @llvm.arm.dmb(i32 11)
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; CHECK-NEXT: ret float [[TMP5]]
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;
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%res = atomicrmw fadd ptr %ptr, float %value seq_cst
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ret float %res
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}
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define float @test_atomicrmw_fsub_f32(ptr %ptr, float %value) {
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; CHECK-LABEL: @test_atomicrmw_fsub_f32(
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; CHECK-NEXT: call void @llvm.arm.dmb(i32 11)
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; CHECK-NEXT: [[TMP6:%.*]] = load atomic i32, ptr [[PTR:%.*]] monotonic, align 4
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; CHECK-NEXT: [[TMP1:%.*]] = bitcast i32 [[TMP6]] to float
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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 float [ [[TMP1]], [[TMP0:%.*]] ], [ [[TMP5:%.*]], [[ATOMICRMW_START]] ]
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; CHECK-NEXT: [[NEW:%.*]] = fsub float [[LOADED]], [[VALUE:%.*]]
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; CHECK-NEXT: [[TMP2:%.*]] = bitcast float [[NEW]] to i32
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; CHECK-NEXT: [[TMP3:%.*]] = bitcast float [[LOADED]] to i32
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; CHECK-NEXT: [[TMP4:%.*]] = cmpxchg ptr [[PTR]], i32 [[TMP3]], i32 [[TMP2]] monotonic monotonic, align 4
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; CHECK-NEXT: [[SUCCESS:%.*]] = extractvalue { i32, i1 } [[TMP4]], 1
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; CHECK-NEXT: [[NEWLOADED:%.*]] = extractvalue { i32, i1 } [[TMP4]], 0
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; CHECK-NEXT: [[TMP5]] = bitcast i32 [[NEWLOADED]] to float
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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: call void @llvm.arm.dmb(i32 11)
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; CHECK-NEXT: ret float [[TMP5]]
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;
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%res = atomicrmw fsub ptr %ptr, float %value seq_cst
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ret float %res
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}
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