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| author | Chris Lattner <sabre@nondot.org> | 2008-03-17 01:35:03 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2008-03-17 01:35:03 +0000 |
| commit | 949326812487dddc6c70e7b7c22e02a8ceccb993 (patch) | |
| tree | d6d76db2d09fb1ee9e1e6889c8e567b8af8045de /test/CodeGen/X86/rotate2.ll | |
| parent | d254ca2b8e04f31794397c5e23997af8fcbf4498 (diff) | |
| download | external_llvm-949326812487dddc6c70e7b7c22e02a8ceccb993.zip external_llvm-949326812487dddc6c70e7b7c22e02a8ceccb993.tar.gz external_llvm-949326812487dddc6c70e7b7c22e02a8ceccb993.tar.bz2 | |
ensure we continue matching x86-64 rotates.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48437 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/rotate2.ll')
| -rw-r--r-- | test/CodeGen/X86/rotate2.ll | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/test/CodeGen/X86/rotate2.ll b/test/CodeGen/X86/rotate2.ll new file mode 100644 index 0000000..40e954c --- /dev/null +++ b/test/CodeGen/X86/rotate2.ll @@ -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 +} + |