| ; 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 | |
| } |