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- ; 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
- }
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