From 8134a569669985a5d1738cccde504d772ecbc2d6 Mon Sep 17 00:00:00 2001
From: Jeehoon Kang <jeehoon.kang@kaist.ac.kr>
Date: Fri, 5 Jun 2020 12:26:39 +0900
Subject: [PATCH] Hotfix mem2reg examples

---
 examples/bench/fibonacci.c         | 11 +++++++++++
 examples/bench/meta/driver.c       | 24 ++++++++++++++++++++++++
 examples/mem2reg/mem2reg.input.ir  |  2 +-
 examples/mem2reg/mem2reg.output.ir |  2 +-
 4 files changed, 37 insertions(+), 2 deletions(-)
 create mode 100644 examples/bench/fibonacci.c
 create mode 100644 examples/bench/meta/driver.c

diff --git a/examples/bench/fibonacci.c b/examples/bench/fibonacci.c
new file mode 100644
index 0000000..14533f2
--- /dev/null
+++ b/examples/bench/fibonacci.c
@@ -0,0 +1,11 @@
+int fibo(int x) {
+  if (x < 2) {
+    return 1;
+  }
+
+  return fibo(x - 1) + fibo(x - 2);
+}
+
+int job() {
+  return fibo(25);
+}
diff --git a/examples/bench/meta/driver.c b/examples/bench/meta/driver.c
new file mode 100644
index 0000000..113afc5
--- /dev/null
+++ b/examples/bench/meta/driver.c
@@ -0,0 +1,24 @@
+#include <stdio.h>
+
+unsigned long read_cycles()
+{
+    unsigned long cycles;
+    asm volatile ("rdcycle %0" : "=r" (cycles));
+    return cycles;
+}
+
+extern int job();
+
+int main() {
+  unsigned long start, end;
+  int answer;
+
+  start = read_cycles();
+  answer = job();
+  end = read_cycles();
+
+  printf("cycles: %lu\n", end - start);
+  printf("answer: %d\n", answer);
+
+  return 0;
+}
diff --git a/examples/mem2reg/mem2reg.input.ir b/examples/mem2reg/mem2reg.input.ir
index 7ce6ec0..a1a2980 100644
--- a/examples/mem2reg/mem2reg.input.ir
+++ b/examples/mem2reg/mem2reg.input.ir
@@ -113,7 +113,7 @@ init:
     %l3:i8:w
 
 block b666:
-  %b666:i0:unit = store %l3:*i8 42:i8
+  %b666:i0:unit = store 42:i8 %l3:*i8
   %b666:i1:unit = call @sinkptr:*[ret:unit params:(*i8)](%l3:*i8)
   %b666:i2:i8 = load %l3:*i8
   j b0()
diff --git a/examples/mem2reg/mem2reg.output.ir b/examples/mem2reg/mem2reg.output.ir
index c5211bc..e080819 100644
--- a/examples/mem2reg/mem2reg.output.ir
+++ b/examples/mem2reg/mem2reg.output.ir
@@ -116,7 +116,7 @@ init:
     %l3:i8:w
 
 block b666:
-  %b666:i0:unit = store %l3:*i8 42:i8
+  %b666:i0:unit = store 42:i8 %l3:*i8
   %b666:i1:unit = call @sinkptr:*[ret:unit params:(*i8)](%l3:*i8)
   %b666:i2:i8 = load %l3:*i8
   j b0(undef:i32, undef:i16, undef:i64)