From fc29e256039d1af4979fd0a5c7170de84b19818b Mon Sep 17 00:00:00 2001
From: Lei Zhang <antiAgainst@gmail.com>
Date: Wed, 4 Sep 2013 17:38:12 -0400
Subject: Lower intrinsic instruction "llvm.trap" to a call of the abort()
 function.

---
 test/Feature/IntrinsicTrap.ll | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 test/Feature/IntrinsicTrap.ll

(limited to 'test')

diff --git a/test/Feature/IntrinsicTrap.ll b/test/Feature/IntrinsicTrap.ll
new file mode 100644
index 00000000..5af46225
--- /dev/null
+++ b/test/Feature/IntrinsicTrap.ll
@@ -0,0 +1,28 @@
+; RUN: llvm-as %s -f -o %t1.bc
+; RUN: %klee -disable-opt %t1.bc
+; RUN: grep abort() klee-last/assembly.ll | wc -l | grep -q 2
+; RUN: echo "llvm.trap()" > %t2.ll
+; RUN: grep llvm.trap() klee-last/assembly.ll %t2.ll | wc -l | grep -q 1
+
+target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-f128:128:128-n8:16:32:64"
+target triple = "x86_64-unknown-linux-gnu"
+
+define i32 @main() nounwind {
+entry:
+  %a = add i32 1, 2
+  %b = add i32 %a, 3
+  %c = icmp ne i32 %b, 6
+  br i1 %c, label %btrue, label %bfalse
+
+btrue:
+  call void @llvm.trap() noreturn nounwind
+  unreachable
+
+bfalse:
+  br label %return
+
+return:
+  ret i32 0
+}
+
+declare void @llvm.trap() noreturn nounwind
-- 
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