From 52bf506762f2d04ba37701af41b7b06c0d6dc7f9 Mon Sep 17 00:00:00 2001
From: Michael Forney <mforney@mforney.org>
Date: Thu, 16 May 2019 12:57:50 -0700
Subject: stmt: continue in do-loop should evaluate controlling expression
---
test/do-loop.c | 9 +++++++++
test/do-loop.qbe | 31 +++++++++++++++++++++++++++++++
2 files changed, 40 insertions(+)
create mode 100644 test/do-loop.c
create mode 100644 test/do-loop.qbe
(limited to 'test')
diff --git a/test/do-loop.c b/test/do-loop.c
new file mode 100644
index 0000000..2189a67
--- /dev/null
+++ b/test/do-loop.c
@@ -0,0 +1,9 @@
+int main(void) {
+ int x = 2, y = 0;
+ do {
+ if (x == 1)
+ continue;
+ ++y;
+ } while (x--);
+ return y != 2;
+}
diff --git a/test/do-loop.qbe b/test/do-loop.qbe
new file mode 100644
index 0000000..c13b8fe
--- /dev/null
+++ b/test/do-loop.qbe
@@ -0,0 +1,31 @@
+export
+function w $main() {
+@start.1
+ %.1 =l alloc4 4
+ %.3 =l alloc4 4
+@body.2
+ %.2 =l add %.1, 0
+ storew 2, %.2
+ %.4 =l add %.3, 0
+ storew 0, %.4
+@do_body.3
+ %.5 =w loadsw %.1
+ %.6 =w ceqw %.5, 1
+ %.7 =w cnew %.6, 0
+ jnz %.7, @if_true.6, @if_false.7
+@if_true.6
+ jmp @do_cont.4
+@if_false.7
+ %.8 =w loadsw %.3
+ %.9 =w add %.8, 1
+ storew %.9, %.3
+@do_cont.4
+ %.10 =w loadsw %.1
+ %.11 =w sub %.10, 1
+ storew %.11, %.1
+ jnz %.10, @do_body.3, @do_join.5
+@do_join.5
+ %.12 =w loadsw %.3
+ %.13 =w cnew %.12, 2
+ ret %.13
+}
--
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