Dan Gohman | 1880092 | 2009-09-11 18:01:28 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -instcombine | llvm-dis |
Chris Lattner | edb8407 | 2009-07-02 16:04:08 +0000 | [diff] [blame] | 2 | ; PR4495 |
| 3 | |
| 4 | define i32 @test(i64 %test) { |
| 5 | entry: |
| 6 | %0 = bitcast <4 x i32> undef to <16 x i8> ; <<16 x i8>> [#uses=1] |
| 7 | %t12 = shufflevector <16 x i8> %0, <16 x i8> zeroinitializer, <16 x i32> <i32 0, i32 16, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0> ; <<16 x i8>> [#uses=1] |
| 8 | %t11 = bitcast <16 x i8> %t12 to <2 x i64> ; <<2 x i64>> [#uses=1] |
| 9 | %t9 = extractelement <2 x i64> %t11, i32 0 ; <i64> [#uses=1] |
| 10 | %t10 = bitcast i64 %t9 to <2 x i32> ; <<2 x i32>> [#uses=1] |
| 11 | %t7 = bitcast i64 %test to <2 x i32> ; <<2 x i32>> [#uses=1] |
| 12 | %t6 = xor <2 x i32> %t10, %t7 ; <<2 x i32>> [#uses=1] |
| 13 | %t1 = extractelement <2 x i32> %t6, i32 0 ; <i32> [#uses=1] |
| 14 | ret i32 %t1 |
| 15 | } |