derek.holloway
7502bf64a4
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82 lines
4.7 KiB
LLVM
82 lines
4.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2
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; RUN: opt -aa-pipeline=basic-aa -passes=loop-versioning -S %s | FileCheck %s
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%struct.foo = type { [32000 x double], [32000 x double] }
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@global = external global %struct.foo, align 32
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define void @bound_check_partially_known_1(i32 %N) {
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; CHECK-LABEL: define void @bound_check_partially_known_1
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; CHECK-SAME: (i32 [[N:%.*]]) {
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; CHECK-NEXT: loop.lver.check:
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; CHECK-NEXT: [[N_EXT:%.*]] = zext i32 [[N]] to i64
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; CHECK-NEXT: [[TMP0:%.*]] = shl nuw nsw i64 [[N_EXT]], 3
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; CHECK-NEXT: [[SCEVGEP:%.*]] = getelementptr nuw i8, ptr @global, i64 [[TMP0]]
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; CHECK-NEXT: [[TMP1:%.*]] = shl nuw nsw i64 [[N_EXT]], 4
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; CHECK-NEXT: [[SCEVGEP1:%.*]] = getelementptr i8, ptr @global, i64 [[TMP1]]
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; CHECK-NEXT: [[TMP2:%.*]] = add nuw nsw i64 [[TMP0]], 256000
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; CHECK-NEXT: [[SCEVGEP2:%.*]] = getelementptr i8, ptr @global, i64 [[TMP2]]
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; CHECK-NEXT: [[BOUND1:%.*]] = icmp ult ptr @global, [[SCEVGEP1]]
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; CHECK-NEXT: [[BOUND0:%.*]] = icmp ult ptr [[SCEVGEP]], [[SCEVGEP2]]
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; CHECK-NEXT: [[BOUND13:%.*]] = icmp ult ptr getelementptr inbounds nuw (i8, ptr @global, i64 256000), [[SCEVGEP1]]
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; CHECK-NEXT: [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND13]]
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; CHECK-NEXT: br i1 [[FOUND_CONFLICT]], label [[LOOP_PH_LVER_ORIG:%.*]], label [[LOOP_PH:%.*]]
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; CHECK: loop.ph.lver.orig:
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; CHECK-NEXT: br label [[LOOP_LVER_ORIG:%.*]]
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; CHECK: loop.lver.orig:
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; CHECK-NEXT: [[IV_LVER_ORIG:%.*]] = phi i64 [ 0, [[LOOP_PH_LVER_ORIG]] ], [ [[IV_NEXT_LVER_ORIG:%.*]], [[LOOP_LVER_ORIG]] ]
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; CHECK-NEXT: [[GEP_0_IV_LVER_ORIG:%.*]] = getelementptr inbounds [[STRUCT_FOO:%.*]], ptr @global, i64 0, i32 0, i64 [[IV_LVER_ORIG]]
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; CHECK-NEXT: [[L_0_LVER_ORIG:%.*]] = load double, ptr [[GEP_0_IV_LVER_ORIG]], align 8
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; CHECK-NEXT: [[GEP_1_IV_LVER_ORIG:%.*]] = getelementptr inbounds [[STRUCT_FOO]], ptr @global, i64 0, i32 1, i64 [[IV_LVER_ORIG]]
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; CHECK-NEXT: [[L_1_LVER_ORIG:%.*]] = load double, ptr [[GEP_1_IV_LVER_ORIG]], align 8
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; CHECK-NEXT: [[ADD_LVER_ORIG:%.*]] = fadd double [[L_0_LVER_ORIG]], [[L_1_LVER_ORIG]]
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; CHECK-NEXT: [[IV_N_LVER_ORIG:%.*]] = add nuw nsw i64 [[IV_LVER_ORIG]], [[N_EXT]]
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; CHECK-NEXT: [[GEP_0_IV_N_LVER_ORIG:%.*]] = getelementptr inbounds [[STRUCT_FOO]], ptr @global, i64 0, i32 0, i64 [[IV_N_LVER_ORIG]]
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; CHECK-NEXT: store double [[ADD_LVER_ORIG]], ptr [[GEP_0_IV_N_LVER_ORIG]], align 8
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; CHECK-NEXT: [[IV_NEXT_LVER_ORIG]] = add nuw nsw i64 [[IV_LVER_ORIG]], 1
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; CHECK-NEXT: [[EXITCOND_LVER_ORIG:%.*]] = icmp eq i64 [[IV_NEXT_LVER_ORIG]], [[N_EXT]]
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; CHECK-NEXT: br i1 [[EXITCOND_LVER_ORIG]], label [[EXIT_LOOPEXIT:%.*]], label [[LOOP_LVER_ORIG]]
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; CHECK: loop.ph:
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; CHECK-NEXT: br label [[LOOP:%.*]]
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; CHECK: loop:
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; CHECK-NEXT: [[IV:%.*]] = phi i64 [ 0, [[LOOP_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ]
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; CHECK-NEXT: [[GEP_0_IV:%.*]] = getelementptr inbounds [[STRUCT_FOO]], ptr @global, i64 0, i32 0, i64 [[IV]]
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; CHECK-NEXT: [[L_0:%.*]] = load double, ptr [[GEP_0_IV]], align 8, !alias.scope [[META0:![0-9]+]]
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; CHECK-NEXT: [[GEP_1_IV:%.*]] = getelementptr inbounds [[STRUCT_FOO]], ptr @global, i64 0, i32 1, i64 [[IV]]
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; CHECK-NEXT: [[L_1:%.*]] = load double, ptr [[GEP_1_IV]], align 8, !alias.scope [[META3:![0-9]+]]
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; CHECK-NEXT: [[ADD:%.*]] = fadd double [[L_0]], [[L_1]]
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; CHECK-NEXT: [[IV_N:%.*]] = add nuw nsw i64 [[IV]], [[N_EXT]]
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; CHECK-NEXT: [[GEP_0_IV_N:%.*]] = getelementptr inbounds [[STRUCT_FOO]], ptr @global, i64 0, i32 0, i64 [[IV_N]]
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; CHECK-NEXT: store double [[ADD]], ptr [[GEP_0_IV_N]], align 8, !alias.scope [[META5:![0-9]+]], !noalias [[META7:![0-9]+]]
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; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
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; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[IV_NEXT]], [[N_EXT]]
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; CHECK-NEXT: br i1 [[EXITCOND]], label [[EXIT_LOOPEXIT4:%.*]], label [[LOOP]]
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; CHECK: exit.loopexit:
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; CHECK-NEXT: br label [[EXIT:%.*]]
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; CHECK: exit.loopexit4:
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; CHECK-NEXT: br label [[EXIT]]
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; CHECK: exit:
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; CHECK-NEXT: ret void
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;
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entry:
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%N.ext = zext i32 %N to i64
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br label %loop
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loop:
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%iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ]
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%gep.0.iv = getelementptr inbounds %struct.foo, ptr @global, i64 0, i32 0, i64 %iv
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%l.0 = load double, ptr %gep.0.iv, align 8
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%gep.1.iv = getelementptr inbounds %struct.foo, ptr @global, i64 0, i32 1, i64 %iv
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%l.1 = load double, ptr %gep.1.iv, align 8
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%add = fadd double %l.0, %l.1
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%iv.N = add nuw nsw i64 %iv, %N.ext
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%gep.0.iv.N = getelementptr inbounds %struct.foo, ptr @global, i64 0, i32 0, i64 %iv.N
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store double %add, ptr %gep.0.iv.N, align 8
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%iv.next = add nuw nsw i64 %iv, 1
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%exitcond = icmp eq i64 %iv.next, %N.ext
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br i1 %exitcond, label %exit, label %loop
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exit:
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ret void
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}
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