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ensure we continue matching x86-64 rotates.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48437 91177308-0d34-0410-b5e6-96231b3b80d8
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19
test/CodeGen/X86/rotate2.ll
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19
test/CodeGen/X86/rotate2.ll
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@ -0,0 +1,19 @@
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; RUN: llvm-as < %s | llc -march=x86-64 | grep rol | count 2
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define i64 @test1(i64 %x) nounwind {
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entry:
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%tmp2 = lshr i64 %x, 55 ; <i64> [#uses=1]
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%tmp4 = shl i64 %x, 9 ; <i64> [#uses=1]
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%tmp5 = or i64 %tmp2, %tmp4 ; <i64> [#uses=1]
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ret i64 %tmp5
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}
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define i64 @test2(i32 %x) nounwind {
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entry:
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%tmp2 = lshr i32 %x, 22 ; <i32> [#uses=1]
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%tmp4 = shl i32 %x, 10 ; <i32> [#uses=1]
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%tmp5 = or i32 %tmp2, %tmp4 ; <i32> [#uses=1]
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%tmp56 = zext i32 %tmp5 to i64 ; <i64> [#uses=1]
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ret i64 %tmp56
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}
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