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ensure we continue matching x86-64 rotates. 

llvm-svn: 48437
This commit is contained in:
Chris Lattner 2008-03-17 01:35:03 +00:00
parent 2c532e1002
commit 3b79fdcae5
1 changed files with 19 additions and 0 deletions
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19
llvm/test/CodeGen/X86/rotate2.ll Normal file
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; 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
}