1 ; RUN: llc < %s -march=x86 2 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128" 3 target triple = "i386-apple-darwin8" 4 5 define hidden float @__floatundisf(i64 %u) nounwind readnone { 6 entry: 7 %0 = icmp ugt i64 %u, 9007199254740991 ; <i1> [#uses=1] 8 br i1 %0, label %bb, label %bb2 9 10 bb: ; preds = %entry 11 %1 = and i64 %u, 2047 ; <i64> [#uses=1] 12 %2 = icmp eq i64 %1, 0 ; <i1> [#uses=1] 13 br i1 %2, label %bb2, label %bb1 14 15 bb1: ; preds = %bb 16 %3 = or i64 %u, 2048 ; <i64> [#uses=1] 17 %4 = and i64 %3, -2048 ; <i64> [#uses=1] 18 br label %bb2 19 20 bb2: ; preds = %bb1, %bb, %entry 21 %u_addr.0 = phi i64 [ %4, %bb1 ], [ %u, %entry ], [ %u, %bb ] ; <i64> [#uses=2] 22 %5 = lshr i64 %u_addr.0, 32 ; <i64> [#uses=1] 23 %6 = trunc i64 %5 to i32 ; <i32> [#uses=1] 24 %7 = uitofp i32 %6 to double ; <double> [#uses=1] 25 %8 = fmul double %7, 0x41F0000000000000 ; <double> [#uses=1] 26 %9 = trunc i64 %u_addr.0 to i32 ; <i32> [#uses=1] 27 %10 = uitofp i32 %9 to double ; <double> [#uses=1] 28 %11 = fadd double %10, %8 ; <double> [#uses=1] 29 %12 = fptrunc double %11 to float ; <float> [#uses=1] 30 ret float %12 31 } 32
