47 lines
1.9 KiB
LLVM
47 lines
1.9 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -passes=irce -S < %s | FileCheck %s
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; RUN: opt -passes='require<branch-prob>,irce' -S < %s | FileCheck %s
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@array = external global [1528 x i16], align 1
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; Make sure we do not crash here.
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define void @test_01() {
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; CHECK-LABEL: @test_01(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br label [[CONT48:%.*]]
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; CHECK: cont48:
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; CHECK-NEXT: [[A2_0121:%.*]] = phi ptr [ [[ADD_PTR74:%.*]], [[CONT76:%.*]] ], [ @array, [[ENTRY:%.*]] ]
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; CHECK-NEXT: [[I41_0119:%.*]] = phi i16 [ [[ADD73:%.*]], [[CONT76]] ], [ 0, [[ENTRY]] ]
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; CHECK-NEXT: [[ADD73]] = add nuw nsw i16 [[I41_0119]], 2
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; CHECK-NEXT: [[ADD_PTR74]] = getelementptr inbounds i16, ptr [[A2_0121]], i16 2
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; CHECK-NEXT: [[TMP0:%.*]] = icmp ult ptr [[A2_0121]], inttoptr (i16 -2 to ptr)
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; CHECK-NEXT: br i1 [[TMP0]], label [[CONT76]], label [[HANDLER_POINTER_OVERFLOW75:%.*]]
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; CHECK: handler.pointer_overflow75:
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; CHECK-NEXT: unreachable
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; CHECK: cont76:
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; CHECK-NEXT: [[CMP43:%.*]] = icmp ult i16 [[ADD73]], 16
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; CHECK-NEXT: br i1 [[CMP43]], label [[CONT48]], label [[FOR_END77:%.*]]
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; CHECK: for.end77:
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; CHECK-NEXT: unreachable
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;
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entry:
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br label %cont48
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cont48: ; preds = %cont76, %entry
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%a2.0121 = phi ptr [ %add.ptr74, %cont76 ], [ @array, %entry ]
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%i41.0119 = phi i16 [ %add73, %cont76 ], [ 0, %entry ]
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%add73 = add nuw nsw i16 %i41.0119, 2
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%add.ptr74 = getelementptr inbounds i16, ptr %a2.0121, i16 2
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%0 = icmp ult ptr %a2.0121, inttoptr (i16 -2 to ptr)
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br i1 %0, label %cont76, label %handler.pointer_overflow75
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handler.pointer_overflow75: ; preds = %cont48
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unreachable
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cont76: ; preds = %cont48
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%cmp43 = icmp ult i16 %add73, 16
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br i1 %cmp43, label %cont48, label %for.end77
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for.end77: ; preds = %cont76
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unreachable
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}
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