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diff test/CodeGen/PowerPC/extsh.ll @ 0:95c75e76d11b LLVM3.4

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LLVM 3.4
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Thu, 12 Dec 2013 13:56:28 +0900
parents
children 1172e4bd9c6f
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/CodeGen/PowerPC/extsh.ll	Thu Dec 12 13:56:28 2013 +0900
@@ -0,0 +1,8 @@
+; This should turn into a single extsh
+; RUN: llc < %s -march=ppc32 | grep extsh | count 1
+define i32 @test(i32 %X) {
+        %tmp.81 = shl i32 %X, 16                ; <i32> [#uses=1]
+        %tmp.82 = ashr i32 %tmp.81, 16          ; <i32> [#uses=1]
+        ret i32 %tmp.82
+}
+