[ARM] Add earlyclobber constraint to pre/post-indexed ARM STRH instructions.

[oota-llvm.git] / test / CodeGen / ARM / 2014-07-18-earlyclobber-str-post.ll

diff --git a/test/CodeGen/ARM/2014-07-18-earlyclobber-str-post.ll b/test/CodeGen/ARM/2014-07-18-earlyclobber-str-post.ll
index 9ea762ae9bff7f2771c94daac983f944230af8dc..b65dc0c44dcc411dc691368c18d66e2ede266d91 100644 (file)
--- a/test/CodeGen/ARM/2014-07-18-earlyclobber-str-post.ll
+++ b/test/CodeGen/ARM/2014-07-18-earlyclobber-str-post.ll
@@ -4,10 +4,20 @@
 ; e.g. str r0, [r0], #4
 
 define i32* @earlyclobber-str-post(i32* %addr) nounwind {
-; CHECK: earlyclobber-str-post
+; CHECK-LABEL: earlyclobber-str-post
 ; CHECK-NOT: str r[[REG:[0-9]+]], [r[[REG]]], #4
   %val = ptrtoint i32* %addr to i32
   store i32 %val, i32* %addr
   %new = getelementptr i32* %addr, i32 1
   ret i32* %new
 }
+
+define i16* @earlyclobber-strh-post(i16* %addr) nounwind {
+; CHECK-LABEL: earlyclobber-strh-post
+; CHECK-NOT: strh r[[REG:[0-9]+]], [r[[REG]]], #2
+  %val = ptrtoint i16* %addr to i32
+  %tr = trunc i32 %val to i16
+  store i16 %tr, i16* %addr
+  %new = getelementptr i16* %addr, i32 1
+  ret i16* %new
+}