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| author | Tilmann Scheller <t.scheller@samsung.com> | 2014-07-23 08:39:50 +0000 |
|---|---|---|
| committer | Tilmann Scheller <t.scheller@samsung.com> | 2014-07-23 08:39:50 +0000 |
| commit | bd0c457663383a9eea7b40a9dc815af79db30ece (patch) | |
| tree | 9d4fb4287e7b371baccc94e90cbfe3a8958166dc | |
| parent | c28f0d587d07c4d78d7e90b9bf16aa4ca9da5447 (diff) | |
| download | llvm-bd0c457663383a9eea7b40a9dc815af79db30ece.zip llvm-bd0c457663383a9eea7b40a9dc815af79db30ece.tar.gz llvm-bd0c457663383a9eea7b40a9dc815af79db30ece.tar.bz2 | |
[ARM] Add regression test for the earlyclobber constraint of ARM STRB.
The constraint was added in r213369.
llvm-svn: 213730
| -rw-r--r-- | llvm/test/CodeGen/ARM/2014-07-18-earlyclobber-str-post.ll | 10 |
1 files changed, 10 insertions, 0 deletions
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 +} |