1 files changed, 33 insertions, 0 deletions
diff --git a/test/Bitcode/variableArgumentIntrinsic.3.2.ll b/test/Bitcode/variableArgumentIntrinsic.3.2.ll
new file mode 100644
index 0000000..35fe0e2
--- /dev/null
+++ b/test/Bitcode/variableArgumentIntrinsic.3.2.ll
@@ -0,0 +1,33 @@
+; RUN:  llvm-dis < %s.bc| FileCheck %s
+
+; vaArgIntrinsic.3.2.ll.bc was generated by passing this file to llvm-as-3.2.
+; The test checks that LLVM does not misread variable argument intrinsic instructions
+; of older bitcode files.
+
+define i32 @varArgIntrinsic(i32 %X, ...) {
+
+  %ap = alloca i8*
+  %ap2 = bitcast i8** %ap to i8*
+  
+; CHECK: call void @llvm.va_start(i8* %ap2)
+  call void @llvm.va_start(i8* %ap2)
+
+; CHECK-NEXT: %tmp = va_arg i8** %ap, i32
+  %tmp = va_arg i8** %ap, i32
+
+  %aq = alloca i8*
+  %aq2 = bitcast i8** %aq to i8*
+  
+; CHECK: call void @llvm.va_copy(i8* %aq2, i8* %ap2)
+  call void @llvm.va_copy(i8* %aq2, i8* %ap2)
+; CHECK-NEXT: call void @llvm.va_end(i8* %aq2)
+  call void @llvm.va_end(i8* %aq2)
+
+; CHECK-NEXT:  call void @llvm.va_end(i8* %ap2)
+  call void @llvm.va_end(i8* %ap2)
+  ret i32 %tmp
+}
+
+declare void @llvm.va_start(i8*)
+declare void @llvm.va_copy(i8*, i8*)
+declare void @llvm.va_end(i8*)
+\ No newline at end of file