derek.holloway
7502bf64a4
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164 lines
10 KiB
LLVM
164 lines
10 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
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; RUN: opt -S -passes=loop-unroll -unroll-runtime < %s | FileCheck %s
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target triple = "x86_64-unknown-linux-gnu"
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define void @selsort(ptr %array) #0 {
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; CHECK-LABEL: define void @selsort(
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; CHECK-SAME: ptr [[ARRAY:%.*]]) #[[ATTR0:[0-9]+]] {
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; CHECK-NEXT: [[ENTRY:.*:]]
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; CHECK-NEXT: [[SIZE:%.*]] = getelementptr inbounds nuw i8, ptr [[ARRAY]], i64 8
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; CHECK-NEXT: [[TMP0:%.*]] = load i64, ptr [[SIZE]], align 8
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; CHECK-NEXT: [[CMP21_NOT:%.*]] = icmp eq i64 [[TMP0]], 0
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; CHECK-NEXT: br i1 [[CMP21_NOT]], label %[[FOR_END18:.*]], label %[[FOR_BODY_LR_PH:.*]]
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; CHECK: [[FOR_BODY_LR_PH]]:
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; CHECK-NEXT: [[TMP1:%.*]] = load ptr, ptr [[ARRAY]], align 8
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; CHECK-NEXT: [[TMP7:%.*]] = add i64 [[TMP0]], -1
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; CHECK-NEXT: [[TMP8:%.*]] = add i64 [[TMP0]], -2
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; CHECK-NEXT: br label %[[FOR_BODY:.*]]
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; CHECK: [[FOR_BODY]]:
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; CHECK-NEXT: [[BASE_022:%.*]] = phi i64 [ 0, %[[FOR_BODY_LR_PH]] ], [ [[ADD:%.*]], %[[FOR_END:.*]] ]
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; CHECK-NEXT: [[TMP10:%.*]] = mul i64 [[BASE_022]], -1
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; CHECK-NEXT: [[TMP11:%.*]] = add i64 [[TMP7]], [[TMP10]]
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; CHECK-NEXT: [[TMP6:%.*]] = add i64 [[TMP8]], [[TMP10]]
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; CHECK-NEXT: [[ADD]] = add nuw i64 [[BASE_022]], 1
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; CHECK-NEXT: [[CMP318:%.*]] = icmp ult i64 [[ADD]], [[TMP0]]
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; CHECK-NEXT: br i1 [[CMP318]], label %[[FOR_BODY4_PREHEADER:.*]], label %[[FOR_END]]
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; CHECK: [[FOR_BODY4_PREHEADER]]:
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; CHECK-NEXT: [[XTRAITER:%.*]] = and i64 [[TMP11]], 3
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; CHECK-NEXT: [[LCMP_MOD:%.*]] = icmp ne i64 [[XTRAITER]], 0
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; CHECK-NEXT: br i1 [[LCMP_MOD]], label %[[FOR_BODY4_PROL_PREHEADER:.*]], label %[[FOR_BODY4_PROL_LOOPEXIT:.*]]
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; CHECK: [[FOR_BODY4_PROL_PREHEADER]]:
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; CHECK-NEXT: br label %[[FOR_BODY4_PROL:.*]]
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; CHECK: [[FOR_BODY4_PROL]]:
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; CHECK-NEXT: [[MIN_020:%.*]] = phi i64 [ [[SPEC_SELECT:%.*]], %[[FOR_BODY4_PROL]] ], [ [[BASE_022]], %[[FOR_BODY4_PROL_PREHEADER]] ]
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; CHECK-NEXT: [[C_019:%.*]] = phi i64 [ [[INC:%.*]], %[[FOR_BODY4_PROL]] ], [ [[ADD]], %[[FOR_BODY4_PROL_PREHEADER]] ]
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; CHECK-NEXT: [[PROL_ITER:%.*]] = phi i64 [ 0, %[[FOR_BODY4_PROL_PREHEADER]] ], [ [[PROL_ITER_NEXT:%.*]], %[[FOR_BODY4_PROL]] ]
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; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, ptr [[TMP1]], i64 [[C_019]]
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; CHECK-NEXT: [[TMP2:%.*]] = load i32, ptr [[ARRAYIDX]], align 4
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; CHECK-NEXT: [[ARRAYIDX6:%.*]] = getelementptr inbounds i32, ptr [[TMP1]], i64 [[MIN_020]]
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; CHECK-NEXT: [[TMP3:%.*]] = load i32, ptr [[ARRAYIDX6]], align 4
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; CHECK-NEXT: [[CMP7:%.*]] = icmp ult i32 [[TMP2]], [[TMP3]]
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; CHECK-NEXT: [[SPEC_SELECT]] = select i1 [[CMP7]], i64 [[C_019]], i64 [[MIN_020]]
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; CHECK-NEXT: [[INC]] = add nuw i64 [[C_019]], 1
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; CHECK-NEXT: [[CMP3:%.*]] = icmp ult i64 [[INC]], [[TMP0]]
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; CHECK-NEXT: [[PROL_ITER_NEXT]] = add i64 [[PROL_ITER]], 1
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; CHECK-NEXT: [[PROL_ITER_CMP:%.*]] = icmp ne i64 [[PROL_ITER_NEXT]], [[XTRAITER]]
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; CHECK-NEXT: br i1 [[PROL_ITER_CMP]], label %[[FOR_BODY4_PROL]], label %[[FOR_BODY4_PROL_LOOPEXIT_UNR_LCSSA:.*]], !llvm.loop [[LOOP0:![0-9]+]]
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; CHECK: [[FOR_BODY4_PROL_LOOPEXIT_UNR_LCSSA]]:
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; CHECK-NEXT: [[MIN_020_UNR_PH:%.*]] = phi i64 [ [[SPEC_SELECT]], %[[FOR_BODY4_PROL]] ]
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; CHECK-NEXT: [[C_019_UNR_PH:%.*]] = phi i64 [ [[INC]], %[[FOR_BODY4_PROL]] ]
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; CHECK-NEXT: [[SPEC_SELECT_LCSSA_UNR_PH:%.*]] = phi i64 [ [[SPEC_SELECT]], %[[FOR_BODY4_PROL]] ]
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; CHECK-NEXT: br label %[[FOR_BODY4_PROL_LOOPEXIT]]
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; CHECK: [[FOR_BODY4_PROL_LOOPEXIT]]:
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; CHECK-NEXT: [[MIN_020_UNR:%.*]] = phi i64 [ [[BASE_022]], %[[FOR_BODY4_PREHEADER]] ], [ [[MIN_020_UNR_PH]], %[[FOR_BODY4_PROL_LOOPEXIT_UNR_LCSSA]] ]
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; CHECK-NEXT: [[C_019_UNR:%.*]] = phi i64 [ [[ADD]], %[[FOR_BODY4_PREHEADER]] ], [ [[C_019_UNR_PH]], %[[FOR_BODY4_PROL_LOOPEXIT_UNR_LCSSA]] ]
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; CHECK-NEXT: [[SPEC_SELECT_LCSSA_UNR:%.*]] = phi i64 [ poison, %[[FOR_BODY4_PREHEADER]] ], [ [[SPEC_SELECT_LCSSA_UNR_PH]], %[[FOR_BODY4_PROL_LOOPEXIT_UNR_LCSSA]] ]
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; CHECK-NEXT: [[TMP9:%.*]] = icmp ult i64 [[TMP6]], 3
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; CHECK-NEXT: br i1 [[TMP9]], label %[[FOR_END_LOOPEXIT:.*]], label %[[FOR_BODY4_PREHEADER_NEW:.*]]
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; CHECK: [[FOR_BODY4_PREHEADER_NEW]]:
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; CHECK-NEXT: br label %[[FOR_BODY4:.*]]
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; CHECK: [[FOR_BODY4]]:
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; CHECK-NEXT: [[MIN_20:%.*]] = phi i64 [ [[MIN_020_UNR]], %[[FOR_BODY4_PREHEADER_NEW]] ], [ [[SPEC_SELECT_3:%.*]], %[[FOR_BODY4]] ]
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; CHECK-NEXT: [[MIN_0_LCSSA:%.*]] = phi i64 [ [[C_019_UNR]], %[[FOR_BODY4_PREHEADER_NEW]] ], [ [[INC_3:%.*]], %[[FOR_BODY4]] ]
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; CHECK-NEXT: [[ARRAYIDX9:%.*]] = getelementptr inbounds i32, ptr [[TMP1]], i64 [[MIN_0_LCSSA]]
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; CHECK-NEXT: [[TMP4:%.*]] = load i32, ptr [[ARRAYIDX9]], align 4
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; CHECK-NEXT: [[ARRAYIDX11:%.*]] = getelementptr inbounds i32, ptr [[TMP1]], i64 [[MIN_20]]
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; CHECK-NEXT: [[TMP5:%.*]] = load i32, ptr [[ARRAYIDX11]], align 4
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; CHECK-NEXT: [[CMP8:%.*]] = icmp ult i32 [[TMP4]], [[TMP5]]
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; CHECK-NEXT: [[SPEC_SELECT1:%.*]] = select i1 [[CMP8]], i64 [[MIN_0_LCSSA]], i64 [[MIN_20]]
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; CHECK-NEXT: [[INC1:%.*]] = add nuw i64 [[MIN_0_LCSSA]], 1
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; CHECK-NEXT: [[ARRAYIDX_1:%.*]] = getelementptr inbounds i32, ptr [[TMP1]], i64 [[INC1]]
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; CHECK-NEXT: [[TMP12:%.*]] = load i32, ptr [[ARRAYIDX_1]], align 4
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; CHECK-NEXT: [[ARRAYIDX6_1:%.*]] = getelementptr inbounds i32, ptr [[TMP1]], i64 [[SPEC_SELECT1]]
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; CHECK-NEXT: [[TMP13:%.*]] = load i32, ptr [[ARRAYIDX6_1]], align 4
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; CHECK-NEXT: [[CMP7_1:%.*]] = icmp ult i32 [[TMP12]], [[TMP13]]
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; CHECK-NEXT: [[SPEC_SELECT_1:%.*]] = select i1 [[CMP7_1]], i64 [[INC1]], i64 [[SPEC_SELECT1]]
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; CHECK-NEXT: [[INC_1:%.*]] = add nuw i64 [[MIN_0_LCSSA]], 2
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; CHECK-NEXT: [[ARRAYIDX_2:%.*]] = getelementptr inbounds i32, ptr [[TMP1]], i64 [[INC_1]]
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; CHECK-NEXT: [[TMP14:%.*]] = load i32, ptr [[ARRAYIDX_2]], align 4
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; CHECK-NEXT: [[ARRAYIDX6_2:%.*]] = getelementptr inbounds i32, ptr [[TMP1]], i64 [[SPEC_SELECT_1]]
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; CHECK-NEXT: [[TMP15:%.*]] = load i32, ptr [[ARRAYIDX6_2]], align 4
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; CHECK-NEXT: [[CMP7_2:%.*]] = icmp ult i32 [[TMP14]], [[TMP15]]
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; CHECK-NEXT: [[SPEC_SELECT_2:%.*]] = select i1 [[CMP7_2]], i64 [[INC_1]], i64 [[SPEC_SELECT_1]]
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; CHECK-NEXT: [[INC_2:%.*]] = add nuw i64 [[MIN_0_LCSSA]], 3
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; CHECK-NEXT: [[ARRAYIDX_3:%.*]] = getelementptr inbounds i32, ptr [[TMP1]], i64 [[INC_2]]
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; CHECK-NEXT: [[TMP16:%.*]] = load i32, ptr [[ARRAYIDX_3]], align 4
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; CHECK-NEXT: [[ARRAYIDX6_3:%.*]] = getelementptr inbounds i32, ptr [[TMP1]], i64 [[SPEC_SELECT_2]]
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; CHECK-NEXT: [[TMP17:%.*]] = load i32, ptr [[ARRAYIDX6_3]], align 4
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; CHECK-NEXT: [[CMP7_3:%.*]] = icmp ult i32 [[TMP16]], [[TMP17]]
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; CHECK-NEXT: [[SPEC_SELECT_3]] = select i1 [[CMP7_3]], i64 [[INC_2]], i64 [[SPEC_SELECT_2]]
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; CHECK-NEXT: [[INC_3]] = add nuw i64 [[MIN_0_LCSSA]], 4
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; CHECK-NEXT: [[CMP3_3:%.*]] = icmp ult i64 [[INC_3]], [[TMP0]]
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; CHECK-NEXT: br i1 [[CMP3_3]], label %[[FOR_BODY4]], label %[[FOR_END_LOOPEXIT_UNR_LCSSA:.*]]
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; CHECK: [[FOR_END_LOOPEXIT_UNR_LCSSA]]:
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; CHECK-NEXT: [[SPEC_SELECT_LCSSA_PH:%.*]] = phi i64 [ [[SPEC_SELECT_3]], %[[FOR_BODY4]] ]
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; CHECK-NEXT: br label %[[FOR_END_LOOPEXIT]]
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; CHECK: [[FOR_END_LOOPEXIT]]:
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; CHECK-NEXT: [[SPEC_SELECT_LCSSA:%.*]] = phi i64 [ [[SPEC_SELECT_LCSSA_UNR]], %[[FOR_BODY4_PROL_LOOPEXIT]] ], [ [[SPEC_SELECT_LCSSA_PH]], %[[FOR_END_LOOPEXIT_UNR_LCSSA]] ]
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; CHECK-NEXT: br label %[[FOR_END]]
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; CHECK: [[FOR_END]]:
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; CHECK-NEXT: [[MIN_0_LCSSA1:%.*]] = phi i64 [ [[BASE_022]], %[[FOR_BODY]] ], [ [[SPEC_SELECT_LCSSA]], %[[FOR_END_LOOPEXIT]] ]
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; CHECK-NEXT: [[ARRAYIDX10:%.*]] = getelementptr inbounds i32, ptr [[TMP1]], i64 [[MIN_0_LCSSA1]]
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; CHECK-NEXT: [[TMP18:%.*]] = load i32, ptr [[ARRAYIDX10]], align 4
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; CHECK-NEXT: [[ARRAYIDX12:%.*]] = getelementptr inbounds i32, ptr [[TMP1]], i64 [[BASE_022]]
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; CHECK-NEXT: [[TMP19:%.*]] = load i32, ptr [[ARRAYIDX12]], align 4
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; CHECK-NEXT: store i32 [[TMP19]], ptr [[ARRAYIDX10]], align 4
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; CHECK-NEXT: store i32 [[TMP18]], ptr [[ARRAYIDX12]], align 4
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; CHECK-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[ADD]], [[TMP0]]
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; CHECK-NEXT: br i1 [[EXITCOND_NOT]], label %[[FOR_END18_LOOPEXIT:.*]], label %[[FOR_BODY]]
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; CHECK: [[FOR_END18_LOOPEXIT]]:
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; CHECK-NEXT: br label %[[FOR_END18]]
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; CHECK: [[FOR_END18]]:
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; CHECK-NEXT: ret void
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;
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entry:
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%size = getelementptr inbounds nuw i8, ptr %array, i64 8
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%0 = load i64, ptr %size, align 8
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%cmp21.not = icmp eq i64 %0, 0
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br i1 %cmp21.not, label %for.end18, label %for.body.lr.ph
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for.body.lr.ph: ; preds = %entry
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%1 = load ptr, ptr %array, align 8
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br label %for.body
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for.body: ; preds = %for.body.lr.ph, %for.end
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%base.022 = phi i64 [ 0, %for.body.lr.ph ], [ %add, %for.end ]
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%add = add nuw i64 %base.022, 1
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%cmp318 = icmp ult i64 %add, %0
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br i1 %cmp318, label %for.body4, label %for.end
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for.body4: ; preds = %for.body, %for.body4
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%min.020 = phi i64 [ %spec.select, %for.body4 ], [ %base.022, %for.body ]
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%c.019 = phi i64 [ %inc, %for.body4 ], [ %add, %for.body ]
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%arrayidx = getelementptr inbounds i32, ptr %1, i64 %c.019
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%2 = load i32, ptr %arrayidx, align 4
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%arrayidx6 = getelementptr inbounds i32, ptr %1, i64 %min.020
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%3 = load i32, ptr %arrayidx6, align 4
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%cmp7 = icmp ult i32 %2, %3
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%spec.select = select i1 %cmp7, i64 %c.019, i64 %min.020
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%inc = add nuw i64 %c.019, 1
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%cmp3 = icmp ult i64 %inc, %0
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br i1 %cmp3, label %for.body4, label %for.end
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for.end: ; preds = %for.body4, %for.body
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%min.0.lcssa = phi i64 [ %base.022, %for.body ], [ %spec.select, %for.body4 ]
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%arrayidx9 = getelementptr inbounds i32, ptr %1, i64 %min.0.lcssa
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%4 = load i32, ptr %arrayidx9, align 4
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%arrayidx11 = getelementptr inbounds i32, ptr %1, i64 %base.022
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%5 = load i32, ptr %arrayidx11, align 4
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store i32 %5, ptr %arrayidx9, align 4
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store i32 %4, ptr %arrayidx11, align 4
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%exitcond.not = icmp eq i64 %add, %0
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br i1 %exitcond.not, label %for.end18, label %for.body
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for.end18: ; preds = %for.end, %entry
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ret void
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}
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attributes #0 = { "tune-cpu"="generic" }
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;.
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; CHECK: [[LOOP0]] = distinct !{[[LOOP0]], [[META1:![0-9]+]]}
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; CHECK: [[META1]] = !{!"llvm.loop.unroll.disable"}
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;.
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