| Manman Ren | 1a710fd | 2012-08-24 18:14:27 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -print-machineinstrs=expand-isel-pseudos -o /dev/null 2>&1 | FileCheck %s |
| 2 | |
| 3 | ; Make sure we have the correct weight attached to each successor. |
| 4 | define i32 @test2(i32 %x) nounwind uwtable readnone ssp { |
| 5 | ; CHECK: Machine code for function test2: |
| 6 | entry: |
| 7 | %conv = sext i32 %x to i64 |
| 8 | switch i64 %conv, label %return [ |
| 9 | i64 0, label %sw.bb |
| 10 | i64 1, label %sw.bb |
| 11 | i64 4, label %sw.bb |
| 12 | i64 5, label %sw.bb1 |
| 13 | ], !prof !0 |
| 14 | ; CHECK: BB#0: derived from LLVM BB %entry |
| 15 | ; CHECK: Successors according to CFG: BB#2(64) BB#4(14) |
| 16 | ; CHECK: BB#4: derived from LLVM BB %entry |
| 17 | ; CHECK: Successors according to CFG: BB#1(10) BB#5(4) |
| 18 | ; CHECK: BB#5: derived from LLVM BB %entry |
| 19 | ; CHECK: Successors according to CFG: BB#1(4) BB#3(7) |
| 20 | |
| 21 | sw.bb: |
| 22 | br label %return |
| 23 | |
| 24 | sw.bb1: |
| 25 | br label %return |
| 26 | |
| 27 | return: |
| 28 | %retval.0 = phi i32 [ 5, %sw.bb1 ], [ 1, %sw.bb ], [ 0, %entry ] |
| 29 | ret i32 %retval.0 |
| 30 | } |
| 31 | |
| 32 | !0 = metadata !{metadata !"branch_weights", i32 7, i32 6, i32 4, i32 4, i32 64} |