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1; RUN: llc < %s -mtriple=armv6-eabi -mattr=+vfp2 -float-abi=hard2; PR44193 4define float @__ieee754_acosf(float %x) nounwind {5entry:6 br i1 undef, label %bb, label %bb47 8bb: ; preds = %entry9 ret float undef10 11bb4: ; preds = %entry12 br i1 undef, label %bb5, label %bb613 14bb5: ; preds = %bb415 ret float undef16 17bb6: ; preds = %bb418 br i1 undef, label %bb11, label %bb1219 20bb11: ; preds = %bb621 %0 = tail call float @__ieee754_sqrtf(float undef) nounwind ; <float> [#uses=1]22 %1 = fmul float %0, -2.000000e+00 ; <float> [#uses=1]23 %2 = fadd float %1, 0x400921FB40000000 ; <float> [#uses=1]24 ret float %225 26bb12: ; preds = %bb627 ret float undef28}29 30declare float @__ieee754_sqrtf(float)31