66 lines
1.7 KiB
LLVM
66 lines
1.7 KiB
LLVM
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; RUN: opt < %s -bounds-checking -S | FileCheck %s
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@array = internal global [1819 x i16] zeroinitializer, section ".bss,bss"
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@offsets = external dso_local global [10 x i16]
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; CHECK-LABEL: @test
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define dso_local void @test() {
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bb1:
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br label %bb19
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bb20:
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%_tmp819 = load i16, i16* null
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; CHECK: br {{.*}} %trap
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%_tmp820 = sub nsw i16 9, %_tmp819
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%_tmp821 = sext i16 %_tmp820 to i64
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%_tmp822 = getelementptr [10 x i16], [10 x i16]* @offsets, i16 0, i64 %_tmp821
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%_tmp823 = load i16, i16* %_tmp822
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br label %bb33
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bb34:
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%_tmp907 = zext i16 %i__7.107.0 to i64
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%_tmp908 = getelementptr [1819 x i16], [1819 x i16]* @array, i16 0, i64 %_tmp907
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store i16 0, i16* %_tmp908
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; CHECK: br {{.*}} %trap
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%_tmp910 = add i16 %i__7.107.0, 1
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br label %bb33
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bb33:
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%i__7.107.0 = phi i16 [ undef, %bb20 ], [ %_tmp910, %bb34 ]
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%_tmp913 = add i16 %_tmp823, 191
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%_tmp914 = icmp ult i16 %i__7.107.0, %_tmp913
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br i1 %_tmp914, label %bb34, label %bb19
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bb19:
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%_tmp976 = icmp slt i16 0, 10
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br i1 %_tmp976, label %bb20, label %bb39
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bb39:
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ret void
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}
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@e = dso_local local_unnamed_addr global [1 x i16] zeroinitializer, align 1
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; CHECK-LABEL: @test2
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define dso_local void @test2() local_unnamed_addr {
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entry:
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br label %while.cond1.preheader
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while.cond1.preheader:
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%0 = phi i16 [ undef, %entry ], [ %inc, %while.end ]
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%1 = load i16, i16* undef, align 1
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; CHECK: br {{.*}} %trap
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br label %while.end
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while.end:
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%inc = add nsw i16 %0, 1
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%arrayidx = getelementptr inbounds [1 x i16], [1 x i16]* @e, i16 0, i16
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%0
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%2 = load i16, i16* %arrayidx, align 1
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; CHECK: or i1
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; CHECK-NEXT: br {{.*}} %trap
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br i1 false, label %while.end6, label %while.cond1.preheader
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while.end6:
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ret void
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}
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