| ; RUN: llvm-as < %s | opt -instcombine -disable-output && |
| ; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep vector_shuffle |
| |
| %T = type <4 x float> |
| |
| implementation |
| |
| %T %test1(%T %v1) { |
| %v2 = shufflevector %T %v1, %T undef, <4 x uint> <uint 0, uint 1, uint 2, uint 3> |
| ret %T %v2 |
| } |
| |
| %T %test2(%T %v1) { |
| %v2 = shufflevector %T %v1, %T %v1, <4 x uint> <uint 0, uint 5, uint 2, uint 7> |
| ret %T %v2 |
| } |
| |
| float %test3(%T %A, %T %B, float %f) { |
| %C = insertelement %T %A, float %f, uint 0 |
| %D = shufflevector %T %C, %T %B, <4 x uint> <uint 5, uint 0, uint 2, uint 7> |
| %E = extractelement %T %D, uint 1 |
| ret float %E |
| } |
| |
| int %test4(<4 x int> %X) { |
| %tmp152.i53899.i = shufflevector <4 x int> %X, <4 x int> undef, <4 x uint> zeroinitializer |
| %tmp34 = extractelement <4 x int> %tmp152.i53899.i, uint 0 |
| ret int %tmp34 |
| } |
| |
| int %test5(<4 x int> %X) { |
| %tmp152.i53899.i = shufflevector <4 x int> %X, <4 x int> undef, <4 x uint> <uint 3, uint 2, uint undef, uint undef> |
| %tmp34 = extractelement <4 x int> %tmp152.i53899.i, uint 0 |
| ret int %tmp34 |
| } |
| |