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1; This testcase causes an infinite loop in the instruction combiner,2; because it changes a pattern and the original pattern is almost3; identical to the newly-generated pattern.4; RUN: opt < %s -passes=instcombine -disable-output5 6;PR PR92167 8target triple = "x86_64-unknown-linux-gnu"9 10define <4 x float> @m_387(ptr noalias nocapture %A, ptr nocapture %B, <4 x i1> %C) nounwind {11entry:12 %movcsext20 = sext <4 x i1> %C to <4 x i32>13 %tmp2389 = xor <4 x i32> %movcsext20, <i32 -1, i32 -1, i32 -1, i32 -1>14 %movcand25 = and <4 x i32> %tmp2389, <i32 undef, i32 undef, i32 undef, i32 -1>15 %movcor26 = or <4 x i32> %movcand25, zeroinitializer16 %L2 = bitcast <4 x i32> %movcor26 to <4 x float>17 %L3 = shufflevector <4 x float> zeroinitializer, <4 x float> %L2, <4 x i32> <i32 0, i32 1, i32 2, i32 7>18 ret <4 x float> %L319}20