| Vedant Kumar | f529b50 | 2019-01-17 22:36:05 +0000 | [diff] [blame] | 1 | ; RUN: opt -hotcoldsplit-threshold=0 -hotcoldsplit -S < %s | FileCheck %s |
| 2 | |
| 3 | target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" |
| 4 | target triple = "x86_64-apple-macosx10.14.0" |
| 5 | |
| 6 | ; CHECK-LABEL: define {{.*}}@pluto( |
| 7 | ; CHECK-NEXT: bb: |
| 8 | ; CHECK-NEXT: %tmp8.ce.loc = alloca i1 |
| 9 | ; CHECK-NEXT: switch i8 undef, label %codeRepl [ |
| 10 | ; CHECK-NEXT: i8 0, label %bb7 |
| 11 | ; CHECK-NEXT: i8 1, label %bb7 |
| 12 | ; CHECK-NEXT: ] |
| 13 | ; |
| 14 | ; CHECK: codeRepl: |
| 15 | ; CHECK-NEXT: call void @pluto.cold.1(i1* %tmp8.ce.loc) |
| 16 | ; CHECK-NEXT: %tmp8.ce.reload = load i1, i1* %tmp8.ce.loc |
| 17 | ; CHECK-NEXT: br label %bb7 |
| 18 | ; |
| 19 | ; CHECK: bb7: |
| 20 | ; CHECK: %tmp8 = phi i1 [ true, %bb ], [ true, %bb ], [ %tmp8.ce.reload, %codeRepl ] |
| 21 | ; CHECK: ret void |
| 22 | |
| 23 | ; CHECK-LABEL: define {{.*}}@pluto.cold.1( |
| 24 | ; CHECK: call {{.*}}@sideeffect(i32 1) |
| 25 | ; CHECK: call {{.*}}@sink( |
| 26 | ; CHECK: call {{.*}}@sideeffect(i32 3) |
| 27 | ; CHECK: call {{.*}}@sideeffect(i32 4) |
| 28 | ; CHECK: call {{.*}}@sideeffect(i32 5) |
| 29 | define void @pluto() { |
| 30 | bb: |
| 31 | switch i8 undef, label %bb1 [ |
| 32 | i8 0, label %bb7 |
| 33 | i8 1, label %bb7 |
| 34 | ] |
| 35 | |
| 36 | bb1: ; preds = %bb |
| 37 | call void @sideeffect(i32 1) |
| 38 | br label %bb2 |
| 39 | |
| 40 | bb2: ; preds = %bb1 |
| 41 | call void @sink() |
| 42 | br i1 undef, label %bb7, label %bb3 |
| 43 | |
| 44 | bb3: ; preds = %bb2 |
| 45 | call void @sideeffect(i32 3) |
| 46 | br label %bb4 |
| 47 | |
| 48 | bb4: ; preds = %bb3 |
| 49 | call void @sideeffect(i32 4) |
| 50 | br i1 undef, label %bb5, label %bb6 |
| 51 | |
| 52 | bb5: ; preds = %bb4 |
| 53 | call void @sideeffect(i32 5) |
| 54 | br label %bb6 |
| 55 | |
| 56 | bb6: ; preds = %bb5, %bb4 |
| 57 | %tmp = phi i1 [ true, %bb5 ], [ false, %bb4 ] |
| 58 | call void @sideeffect(i32 6) |
| 59 | br label %bb7 |
| 60 | |
| 61 | bb7: ; preds = %bb6, %bb2, %bb, %bb |
| 62 | %tmp8 = phi i1 [ true, %bb ], [ true, %bb ], [ true, %bb2 ], [ %tmp, %bb6 ] |
| 63 | ret void |
| 64 | } |
| 65 | |
| 66 | declare void @sink() cold |
| 67 | |
| 68 | declare void @sideeffect(i32) |