blob: 6d8a7ddbe46f41ca1ce1ea2061e81f2efa974669 [file] [log] [blame]
; 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
}