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-rw-r--r--test/Instrumentation/BoundsChecking/many-traps-2.ll65
1 files changed, 65 insertions, 0 deletions
diff --git a/test/Instrumentation/BoundsChecking/many-traps-2.ll b/test/Instrumentation/BoundsChecking/many-traps-2.ll
new file mode 100644
index 000000000000..a6e99586af21
--- /dev/null
+++ b/test/Instrumentation/BoundsChecking/many-traps-2.ll
@@ -0,0 +1,65 @@
+; RUN: opt < %s -bounds-checking -S | FileCheck %s
+@array = internal global [1819 x i16] zeroinitializer, section ".bss,bss"
+@offsets = external dso_local global [10 x i16]
+
+; CHECK-LABEL: @test
+define dso_local void @test() {
+bb1:
+ br label %bb19
+
+bb20:
+ %_tmp819 = load i16, i16* null
+; CHECK: br {{.*}} %trap
+ %_tmp820 = sub nsw i16 9, %_tmp819
+ %_tmp821 = sext i16 %_tmp820 to i64
+ %_tmp822 = getelementptr [10 x i16], [10 x i16]* @offsets, i16 0, i64 %_tmp821
+ %_tmp823 = load i16, i16* %_tmp822
+ br label %bb33
+
+bb34:
+ %_tmp907 = zext i16 %i__7.107.0 to i64
+ %_tmp908 = getelementptr [1819 x i16], [1819 x i16]* @array, i16 0, i64 %_tmp907
+ store i16 0, i16* %_tmp908
+; CHECK: br {{.*}} %trap
+ %_tmp910 = add i16 %i__7.107.0, 1
+ br label %bb33
+
+bb33:
+ %i__7.107.0 = phi i16 [ undef, %bb20 ], [ %_tmp910, %bb34 ]
+ %_tmp913 = add i16 %_tmp823, 191
+ %_tmp914 = icmp ult i16 %i__7.107.0, %_tmp913
+ br i1 %_tmp914, label %bb34, label %bb19
+
+bb19:
+ %_tmp976 = icmp slt i16 0, 10
+ br i1 %_tmp976, label %bb20, label %bb39
+
+bb39:
+ ret void
+}
+
+@e = dso_local local_unnamed_addr global [1 x i16] zeroinitializer, align 1
+
+; CHECK-LABEL: @test2
+define dso_local void @test2() local_unnamed_addr {
+entry:
+ br label %while.cond1.preheader
+
+while.cond1.preheader:
+ %0 = phi i16 [ undef, %entry ], [ %inc, %while.end ]
+ %1 = load i16, i16* undef, align 1
+; CHECK: br {{.*}} %trap
+ br label %while.end
+
+while.end:
+ %inc = add nsw i16 %0, 1
+ %arrayidx = getelementptr inbounds [1 x i16], [1 x i16]* @e, i16 0, i16
+ %0
+ %2 = load i16, i16* %arrayidx, align 1
+; CHECK: or i1
+; CHECK-NEXT: br {{.*}} %trap
+ br i1 false, label %while.end6, label %while.cond1.preheader
+
+while.end6:
+ ret void
+}