Lang Hames | 23f369d | 2012-04-09 23:58:59 +0000 | [diff] [blame^] | 1 | ; RUN: llc -O1 -verify-coalescing < %s |
| 2 | ; PR12495 |
| 3 | target 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" |
| 5 | target triple = "x86_64-apple-macosx10.7.0" |
| 6 | |
| 7 | define 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 | |
| 32 | declare double @foo() |
| 33 | |
| 34 | declare double @fmod(double, double) |