| Matthias Braun | c22630e | 2013-10-04 16:52:54 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -mtriple=thumbv7s-apple-ios6.0.0 -verify-machineinstrs |
| 2 | |
| 3 | %union.opcode = type { i32 } |
| 4 | |
| 5 | @opcode = external global %union.opcode, align 4 |
| 6 | |
| 7 | ; Function Attrs: nounwind ssp |
| 8 | define i32 @sfu() { |
| 9 | entry: |
| David Blaikie | f72d05b | 2015-03-13 18:20:45 +0000 | [diff] [blame] | 10 | %bf.load = load i32, i32* getelementptr inbounds (%union.opcode, %union.opcode* @opcode, i32 0, i32 0), align 4 |
| Matthias Braun | c22630e | 2013-10-04 16:52:54 +0000 | [diff] [blame] | 11 | %bf.lshr = lshr i32 %bf.load, 26 |
| 12 | %bf.clear = and i32 %bf.lshr, 7 |
| 13 | switch i32 %bf.clear, label %return [ |
| 14 | i32 0, label %sw.bb |
| 15 | i32 1, label %sw.bb1 |
| 16 | ] |
| 17 | |
| 18 | sw.bb: ; preds = %entry |
| 19 | %call = tail call i32 @func0() |
| 20 | br label %return |
| 21 | |
| 22 | sw.bb1: ; preds = %entry |
| 23 | %call2 = tail call i32 @func1() |
| 24 | br label %return |
| 25 | |
| 26 | return: ; preds = %sw.bb1, %sw.bb, %entry |
| 27 | %retval.0 = phi i32 [ %call2, %sw.bb1 ], [ %call, %sw.bb ], [ -1, %entry ] |
| 28 | ret i32 %retval.0 |
| 29 | } |
| 30 | |
| 31 | ; Function Attrs: nounwind ssp |
| 32 | declare i32 @func0() |
| 33 | |
| 34 | ; Function Attrs: nounwind ssp |
| 35 | declare i32 @func1() |