aboutsummaryrefslogtreecommitdiffstats
path: root/test
diff options
context:
space:
mode:
authorDan Gohman <gohman@apple.com>2009-08-12 16:37:02 +0000
committerDan Gohman <gohman@apple.com>2009-08-12 16:37:02 +0000
commit5ce93b36f58351fe389de5189b2867256b3fcb2c (patch)
tree944d50d12cbc814a179260471312972297a06d3e /test
parent0787890d5d3ba4ba6e73035ff87a05bbc13f62e6 (diff)
downloadexternal_llvm-5ce93b36f58351fe389de5189b2867256b3fcb2c.zip
external_llvm-5ce93b36f58351fe389de5189b2867256b3fcb2c.tar.gz
external_llvm-5ce93b36f58351fe389de5189b2867256b3fcb2c.tar.bz2
Transform -X/C to X/-C, implementing a README.txt entry.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78812 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
-rw-r--r--test/Transforms/InstCombine/nsw.ll20
1 files changed, 20 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/nsw.ll b/test/Transforms/InstCombine/nsw.ll
new file mode 100644
index 0000000..3218371
--- /dev/null
+++ b/test/Transforms/InstCombine/nsw.ll
@@ -0,0 +1,20 @@
+; RUN: llvm-as < %s | opt -instcombine | llvm-dis | FileCheck %s
+
+; CHECK: define i32 @foo
+; %y = sub i32 0, %x
+; %z = sdiv i32 %y, 337
+; ret i32 %y
+define i32 @foo(i32 %x) {
+ %y = sub i32 0, %x
+ %z = sdiv i32 %y, 337
+ ret i32 %y
+}
+
+; CHECK: define i32 @bar
+; %y = sdiv i32 %x, -337
+; ret i32 %y
+define i32 @bar(i32 %x) {
+ %y = sub nsw i32 0, %x
+ %z = sdiv i32 %y, 337
+ ret i32 %y
+}