A better testcase. This doesn't mean it's good, just better :)
The gcc testsuite contains more comprehensive tests. I thought
of importing some of them into the LLVM testsuite, but I've decided
to wait until there is some kind of consensus as to what should be
done about the gcc testsuite in general - import the relevant bits
into LLVM? Turn off the irrelevant bits in gcc?
Ciao,
Duncan.
Index: llvm/test/CFrontend/2007-02-05-nested.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ llvm/test/CFrontend/2007-02-05-nested.c 2007-02-06 10:11:44.000000000 +0100
@@ -0,0 +1,54 @@
+// RUN: %llvmgcc -S -fnested-functions -O3 -o - -emit-llvm %s | not grep abort
+// PR915
+
+extern void abort(void);
+
+void nest(int n)
+{
+ int a = 0;
+ int b = 5;
+ int c = 0;
+ int d = 7;
+
+ void o(int i, int j)
+ {
+ if (i!=j)
+ abort();
+ }
+
+ void f(x)
+ int x; /* K&R style */
+ {
+ int e = 0;
+ int f = 2;
+ int g = 0;
+
+ void y(void)
+ {
+ c = n;
+ e = 1;
+ g = x;
+ }
+
+ void z(void)
+ {
+ a = 4;
+ g = 3;
+ }
+
+ a = 5;
+ y();
+ c = x;
+ z();
+ o(1,e);
+ o(2,f);
+ o(3,g);
+ }
+
+ c = 2;
+ f(6);
+ o(4,a);
+ o(5,b);
+ o(6,c);
+ o(7,d);
+}
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