[llvm-commits] [llvm] r48437 - /llvm/trunk/test/CodeGen/X86/rotate2.ll
Chris Lattner
sabre at nondot.org
Sun Mar 16 18:35:03 PDT 2008
Author: lattner
Date: Sun Mar 16 20:35:03 2008
New Revision: 48437
URL: http://llvm.org/viewvc/llvm-project?rev=48437&view=rev
Log:
ensure we continue matching x86-64 rotates.
Added:
llvm/trunk/test/CodeGen/X86/rotate2.ll
Added: llvm/trunk/test/CodeGen/X86/rotate2.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/rotate2.ll?rev=48437&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/X86/rotate2.ll (added)
+++ llvm/trunk/test/CodeGen/X86/rotate2.ll Sun Mar 16 20:35:03 2008
@@ -0,0 +1,19 @@
+; RUN: llvm-as < %s | llc -march=x86-64 | grep rol | count 2
+
+define i64 @test1(i64 %x) nounwind {
+entry:
+ %tmp2 = lshr i64 %x, 55 ; <i64> [#uses=1]
+ %tmp4 = shl i64 %x, 9 ; <i64> [#uses=1]
+ %tmp5 = or i64 %tmp2, %tmp4 ; <i64> [#uses=1]
+ ret i64 %tmp5
+}
+
+define i64 @test2(i32 %x) nounwind {
+entry:
+ %tmp2 = lshr i32 %x, 22 ; <i32> [#uses=1]
+ %tmp4 = shl i32 %x, 10 ; <i32> [#uses=1]
+ %tmp5 = or i32 %tmp2, %tmp4 ; <i32> [#uses=1]
+ %tmp56 = zext i32 %tmp5 to i64 ; <i64> [#uses=1]
+ ret i64 %tmp56
+}
+
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