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authorSean Bartell <yotann@yotann.org>2015-04-28 20:21:10 -0500
committerSean Bartell <yotann@yotann.org>2015-04-29 20:39:56 -0500
commitdff4069042e6f7b4bc7211b8e9ba3377ee01c33c (patch)
tree7f5bbf264099b6a650bd92e6f25e79c2ed7e04a2 /test
parent6118403fa4315388946babd25be38a9524a5e2c5 (diff)
downloadklee-dff4069042e6f7b4bc7211b8e9ba3377ee01c33c.tar.gz
Fix assertion failure in getDirectCallTarget
It failed when the function being called is a bitcasted alias.
Diffstat (limited to 'test')
-rw-r--r--test/Feature/BitcastAliasMD2U.ll34
1 files changed, 34 insertions, 0 deletions
diff --git a/test/Feature/BitcastAliasMD2U.ll b/test/Feature/BitcastAliasMD2U.ll
new file mode 100644
index 00000000..24eabaa5
--- /dev/null
+++ b/test/Feature/BitcastAliasMD2U.ll
@@ -0,0 +1,34 @@
+; RUN: llvm-as %s -f -o %t1.bc
+; RUN: rm -rf %t.klee-out
+; RUN: %klee --output-dir=%t.klee-out -disable-opt -search=nurs:md2u %t1.bc > %t2
+; RUN: grep PASS %t2
+
+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-n8:16:32:64"
+target triple = "x86_64-unknown-linux-gnu"
+
+@foo = alias i32 (i32)* @__foo
+
+define i32 @__foo(i32 %i) nounwind {
+entry:
+  ret i32 %i
+}
+
+declare i32 @puts(i8*)
+
+@.passstr = private constant [5 x i8] c"PASS\00", align 1
+@.failstr = private constant [5 x i8] c"FAIL\00", align 1
+
+define i32 @main(i32 %argc, i8** nocapture %argv) nounwind readnone {
+entry:
+  %call = call i32 (i64)* bitcast (i32 (i32)* @foo to i32 (i64)*)(i64 52)
+  %r = icmp eq i32 %call, 52
+  br i1 %r, label %bbtrue, label %bbfalse
+
+bbtrue:
+  %0 = call i32 @puts(i8* getelementptr inbounds ([5 x i8]* @.passstr, i64 0, i64 0)) nounwind
+  ret i32 0
+
+bbfalse:
+  %1 = call i32 @puts(i8* getelementptr inbounds ([5 x i8]* @.failstr, i64 0, i64 0)) nounwind
+  ret i32 0
+}