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; RUN: llc < %s -mtriple=armv6-eabi -mattr=+vfp2 -float-abi=hard
; PR4419
define float @__ieee754_acosf(float %x) nounwind {
entry:
br i1 undef, label %bb, label %bb4
bb: ; preds = %entry
ret float undef
bb4: ; preds = %entry
br i1 undef, label %bb5, label %bb6
bb5: ; preds = %bb4
ret float undef
bb6: ; preds = %bb4
br i1 undef, label %bb11, label %bb12
bb11: ; preds = %bb6
%0 = tail call float @__ieee754_sqrtf(float undef) nounwind ; <float> [#uses=1]
%1 = fmul float %0, -2.000000e+00 ; <float> [#uses=1]
%2 = fadd float %1, 0x400921FB40000000 ; <float> [#uses=1]
ret float %2
bb12: ; preds = %bb6
ret float undef
}
declare float @__ieee754_sqrtf(float)
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