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authorAkira Hatanaka <ahatanaka@mips.com>2011-12-07 23:14:41 +0000
committerAkira Hatanaka <ahatanaka@mips.com>2011-12-07 23:14:41 +0000
commit0a18cdc372a4ca1bd685071d99016ad57ba9d77e (patch)
tree92b8d0b7f133942db0ed8d647af37b88aca1df89 /test
parent9fa0a743e6afef4ea5fe7b5115607947696774a8 (diff)
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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.ll11
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
+}