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| author | Akira Hatanaka <ahatanaka@mips.com> | 2011-12-07 23:14:41 +0000 |
|---|---|---|
| committer | Akira Hatanaka <ahatanaka@mips.com> | 2011-12-07 23:14:41 +0000 |
| commit | 0a18cdc372a4ca1bd685071d99016ad57ba9d77e (patch) | |
| tree | 92b8d0b7f133942db0ed8d647af37b88aca1df89 /test | |
| parent | 9fa0a743e6afef4ea5fe7b5115607947696774a8 (diff) | |
32 to 64-bit zext pattern.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146096 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/CodeGen/Mips/mips64ext.ll | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/test/CodeGen/Mips/mips64ext.ll b/test/CodeGen/Mips/mips64ext.ll new file mode 100644 index 0000000000..33af0d852d --- /dev/null +++ b/test/CodeGen/Mips/mips64ext.ll @@ -0,0 +1,11 @@ +; RUN: llc < %s -march=mips64el -mcpu=mips64 -mattr=n64 | FileCheck %s + +define i64 @zext64_32(i32 %a) nounwind readnone { +entry: +; CHECK: addiu $[[R0:[0-9]+]], ${{[0-9]+}}, 2 +; CHECK: dsll32 $[[R1:[0-9]+]], $[[R0]], 0 +; CHECK: dsrl32 ${{[0-9]+}}, $[[R1]], 0 + %add = add i32 %a, 2 + %conv = zext i32 %add to i64 + ret i64 %conv +} |