1; RUN: llc -O1 -verify-coalescing < %s 2; PR12495 3target datalayout = 4"e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" 5target triple = "x86_64-apple-macosx10.7.0" 6 7define void @func(i8* nocapture) nounwind uwtable ssp align 2 { 8 br i1 undef, label %4, label %2 9 10; <label>:2 ; preds = %1 11 %3 = tail call double @foo() nounwind 12 br label %4 13 14; <label>:4 ; preds = %2, %1 15 %5 = phi double [ %3, %2 ], [ 0.000000e+00, %1 ] 16 %6 = fsub double %5, undef 17 %7 = fcmp olt double %6, 0.000000e+00 18 %8 = select i1 %7, double 0.000000e+00, double %6 19 %9 = fcmp olt double undef, 0.000000e+00 20 %10 = fcmp olt double %8, undef 21 %11 = or i1 %9, %10 22 br i1 %11, label %12, label %14 23 24; <label>:12 ; preds = %4 25 %13 = tail call double @fmod(double %8, double 0.000000e+00) nounwind 26 unreachable 27 28; <label>:14 ; preds = %4 29 ret void 30} 31 32declare double @foo() 33 34declare double @fmod(double, double) 35