From bd0c457663383a9eea7b40a9dc815af79db30ece Mon Sep 17 00:00:00 2001 From: Tilmann Scheller Date: Wed, 23 Jul 2014 08:39:50 +0000 Subject: [PATCH] [ARM] Add regression test for the earlyclobber constraint of ARM STRB. The constraint was added in r213369. llvm-svn: 213730 --- llvm/test/CodeGen/ARM/2014-07-18-earlyclobber-str-post.ll | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/llvm/test/CodeGen/ARM/2014-07-18-earlyclobber-str-post.ll b/llvm/test/CodeGen/ARM/2014-07-18-earlyclobber-str-post.ll index b65dc0c..df7d245 100644 --- a/llvm/test/CodeGen/ARM/2014-07-18-earlyclobber-str-post.ll +++ b/llvm/test/CodeGen/ARM/2014-07-18-earlyclobber-str-post.ll @@ -21,3 +21,13 @@ define i16* @earlyclobber-strh-post(i16* %addr) nounwind { %new = getelementptr i16* %addr, i32 1 ret i16* %new } + +define i8* @earlyclobber-strb-post(i8* %addr) nounwind { +; CHECK-LABEL: earlyclobber-strb-post +; CHECK-NOT: strb r[[REG:[0-9]+]], [r[[REG]]], #1 + %val = ptrtoint i8* %addr to i32 + %tr = trunc i32 %val to i8 + store i8 %tr, i8* %addr + %new = getelementptr i8* %addr, i32 1 + ret i8* %new +} -- 2.7.4