From 33445ededfbc9512219529468a5fd5012eccc470 Mon Sep 17 00:00:00 2001
From: Matthias Braun <matze@braunis.de>
Date: Wed, 17 Oct 2007 15:25:28 +0000
Subject: [PATCH] some interesting testcases to look at

[r16253]
---
 ir/be/test/codegen/README         |  1 +
 ir/be/test/codegen/countingloop.c | 21 +++++++++++++++++++++
 ir/be/test/codegen/leas.c         | 30 ++++++++++++++++++++++++++++++
 ir/be/test/codegen/spillharness.c | 30 ++++++++++++++++++++++++++++++
 4 files changed, 82 insertions(+)
 create mode 100644 ir/be/test/codegen/README
 create mode 100644 ir/be/test/codegen/countingloop.c
 create mode 100644 ir/be/test/codegen/leas.c
 create mode 100644 ir/be/test/codegen/spillharness.c

diff --git a/ir/be/test/codegen/README b/ir/be/test/codegen/README
new file mode 100644
index 000000000..e8599a6b0
--- /dev/null
+++ b/ir/be/test/codegen/README
@@ -0,0 +1 @@
+This directory contains some interesting chalenges for an x86 backend...
diff --git a/ir/be/test/codegen/countingloop.c b/ir/be/test/codegen/countingloop.c
new file mode 100644
index 000000000..dad82ea53
--- /dev/null
+++ b/ir/be/test/codegen/countingloop.c
@@ -0,0 +1,21 @@
+char *pt;
+
+int gf, gm;
+
+int f(int max) {
+	int i;
+	int f = 0;
+	int m = 0;
+	char *p = pt;
+
+	for(i = 0; i < max; ++i) {
+		if(pt[i] == 0) {
+			f++;
+		} else {
+			m++;
+		}
+	}
+	gf = f;
+	gm = m;
+	return 0;
+}
diff --git a/ir/be/test/codegen/leas.c b/ir/be/test/codegen/leas.c
new file mode 100644
index 000000000..aaaf769ca
--- /dev/null
+++ b/ir/be/test/codegen/leas.c
@@ -0,0 +1,30 @@
+int k, g, h;
+
+char *arr;
+
+enum e_block_types {CLB, OUTPAD, INPAD, IO, ILLEGAL};
+struct s_block {
+	char *name;
+	enum e_block_types type;
+	int *nets;
+	int x;
+	int y;
+};
+
+extern struct s_block *block;
+extern int num_blocks;
+
+int my_rand(int max);
+
+int f(int x, int y, int z)
+{
+	k = x;
+	g = y;
+	h = z;
+	int b_from = my_rand(num_blocks - 1);
+
+	while(block[b_from].type != CLB) {
+		b_from = my_rand(num_blocks-1);
+	}
+	return 0;
+}
diff --git a/ir/be/test/codegen/spillharness.c b/ir/be/test/codegen/spillharness.c
new file mode 100644
index 000000000..d3899e44f
--- /dev/null
+++ b/ir/be/test/codegen/spillharness.c
@@ -0,0 +1,30 @@
+int max = 1000000;
+
+void mark(void);
+int foo(void);
+
+int main(int argc, char **argv) {
+	int i;
+	int val;
+
+	for(i = 0; i < max; ++i) {
+		val = rand();
+	}
+
+	mark();
+	for(i = 0; i < max; ++i) {
+		int i1 = foo();
+		int i2 = foo();
+		int i3 = foo();
+		int i4 = foo();
+		int i5 = foo();
+		int i6 = foo();
+		int i7 = foo();
+
+		i += i1 +i2 +i3+i4+i5+i6+i7;
+		printf("%d\n", i);
+	}
+
+	printf("end\n");
+	return val;
+}
-- 
2.20.1