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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
commitae378af6670660395de018c271d192fd66914eb8 (patch)
treed5028d349c92ab269ec22e9a0f55c108fd5b7dae /llvm/test/CodeGen/Mips
parent90d961250bea9536c3610d4bbd364448ec8ebdd7 (diff)
downloadbcm5719-llvm-ae378af6670660395de018c271d192fd66914eb8.tar.gz
bcm5719-llvm-ae378af6670660395de018c271d192fd66914eb8.zip
32 to 64-bit zext pattern.
llvm-svn: 146096
Diffstat (limited to 'llvm/test/CodeGen/Mips')
-rw-r--r--llvm/test/CodeGen/Mips/mips64ext.ll11
1 files changed, 11 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/Mips/mips64ext.ll b/llvm/test/CodeGen/Mips/mips64ext.ll
new file mode 100644
index 00000000000..33af0d852da
--- /dev/null
+++ b/llvm/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
+}
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