allow anonmyous empty structs

2 files changed, 22 insertions, 1 deletions

diff --git a/src/parseTools.js b/src/parseTools.js
index 22f38207..428c2b25 100644
--- a/src/parseTools.js
+++ b/src/parseTools.js
@@ -123,7 +123,7 @@ function isPointerType(type) {
 function isStructType(type) {
   if (isPointerType(type)) return false;
   if (/^\[\d+\ x\ (.*)\]/.test(type)) return true; // [15 x ?] blocks. Like structs
-  if (/<?{ [^}]* }>?/.test(type)) return true; // { i32, i8 } etc. - anonymous struct types
+  if (/<?{ ?[^}]* ?}>?/.test(type)) return true; // { i32, i8 } etc. - anonymous struct types
   // See comment in isStructPointerType()
   return type[0] == '%';
 }
diff --git a/tests/cases/emptystruct.ll b/tests/cases/emptystruct.ll
new file mode 100644
index 00000000..d4165fdd
--- /dev/null
+++ b/tests/cases/emptystruct.ll
@@ -0,0 +1,21 @@
+; ModuleID = 'emptystruct.c'
+target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32-S128"
+target triple = "i386-pc-linux-gnu"
+
+%struct.s = type { {}, i32 }
+
+@.str = private constant [14 x i8] c"hello, world!\00", align 1 ; [#uses=1]
+
+define i32 @main() nounwind {
+entry:
+  %z = alloca %struct.s, align 4
+  %0 = bitcast %struct.s* %z to i8*
+  call void @llvm.memset.p0i8.i32(i8* %0, i8 0, i32 4, i32 4, i1 false)
+  %0 = call i32 bitcast (i32 (i8*)* @puts to i32 (i32*)*)(i8* getelementptr inbounds ([14 x i8]* @.str, i32 0, i32 0)) ; [#uses=0]
+  ret i32 0
+}
+
+declare void @llvm.memset.p0i8.i32(i8* nocapture, i8, i32, i32, i1) nounwind
+
+declare i32 @puts(i8*)
+