| ; This testcase causes an infinite loop in the instruction combiner, |
| ; because it changes a pattern and the original pattern is almost |
| ; identical to the newly-generated pattern. |
| ; RUN: opt < %s -instcombine -disable-output |
| |
| ;PR PR9216 |
| |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| define <4 x float> @m_387(i8* noalias nocapture %A, i8* nocapture %B, <4 x i1> %C) nounwind { |
| entry: |
| %movcsext20 = sext <4 x i1> %C to <4 x i32> |
| %tmp2389 = xor <4 x i32> %movcsext20, <i32 -1, i32 -1, i32 -1, i32 -1> |
| %movcand25 = and <4 x i32> %tmp2389, <i32 undef, i32 undef, i32 undef, i32 -1> |
| %movcor26 = or <4 x i32> %movcand25, zeroinitializer |
| %L2 = bitcast <4 x i32> %movcor26 to <4 x float> |
| %L3 = shufflevector <4 x float> zeroinitializer, <4 x float> %L2, <4 x i32> <i32 0, i32 1, i32 2, i32 7> |
| ret <4 x float> %L3 |
| } |
