summaryrefslogtreecommitdiffstats
path: root/tests/mir-opt/div_overflow.rs
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:03 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:03 +0000
commit64d98f8ee037282c35007b64c2649055c56af1db (patch)
tree5492bcf97fce41ee1c0b1cc2add283f3e66cdab0 /tests/mir-opt/div_overflow.rs
parentAdding debian version 1.67.1+dfsg1-1. (diff)
downloadrustc-64d98f8ee037282c35007b64c2649055c56af1db.tar.xz
rustc-64d98f8ee037282c35007b64c2649055c56af1db.zip
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/mir-opt/div_overflow.rs')
-rw-r--r--tests/mir-opt/div_overflow.rs18
1 files changed, 18 insertions, 0 deletions
diff --git a/tests/mir-opt/div_overflow.rs b/tests/mir-opt/div_overflow.rs
new file mode 100644
index 000000000..10ce5bc0f
--- /dev/null
+++ b/tests/mir-opt/div_overflow.rs
@@ -0,0 +1,18 @@
+// compile-flags: -Copt-level=0 -Coverflow-checks=yes
+
+// Tests that division with a const does not emit a panicking branch for overflow
+
+// EMIT_MIR div_overflow.const_divisor.PreCodegen.after.mir
+pub fn const_divisor(a: i32) -> i32 {
+ a / 256
+}
+
+// EMIT_MIR div_overflow.const_dividend.PreCodegen.after.mir
+pub fn const_dividend(a: i32) -> i32 {
+ 256 / a
+}
+
+fn main() {
+ const_divisor(123);
+ const_dividend(123);
+}