1 ; RUN: llvm-profdata merge %S/Inputs/criticaledge.proftext -o %T/criticaledge.profdata
2 ; RUN: opt < %s -pgo-instr-use -pgo-profile-file=%T/criticaledge.profdata -S | FileCheck %s
3 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
4 target triple = "x86_64-unknown-linux-gnu"
6 define i32 @_Z17test_criticalEdgeii(i32 %i, i32 %j) {
8 switch i32 %i, label %sw.default [
13 ; CHECK: i32 3, label %entry.sw.bb3_crit_edge
14 ; CHECK: i32 4, label %entry.sw.bb3_crit_edge1
19 ; CHECK: entry.sw.bb3_crit_edge1:
20 ; CHECK: br label %sw.bb3
21 ; CHECK: entry.sw.bb3_crit_edge:
22 ; CHECK: br label %sw.bb3
25 %call = call i32 @_ZL3bari(i32 2)
29 %call2 = call i32 @_ZL3bari(i32 1024)
33 %cmp = icmp eq i32 %j, 2
34 br i1 %cmp, label %if.then, label %if.end
38 %call4 = call i32 @_ZL3bari(i32 4)
42 %call5 = call i32 @_ZL3bari(i32 8)
46 %call6 = call i32 @_ZL3bari(i32 32)
47 %cmp7 = icmp sgt i32 %j, 10
48 br i1 %cmp7, label %if.then8, label %if.end9
52 %add = add nsw i32 %call6, 10
56 %res.0 = phi i32 [ %add, %if.then8 ], [ %call6, %sw.default ]
60 %res.1 = phi i32 [ %res.0, %if.end9 ], [ %call5, %if.end ], [ %call2, %sw.bb1 ], [ %call, %sw.bb ]
64 %retval = phi i32 [ %res.1, %sw.epilog ], [ %call4, %if.then ]
68 define internal i32 @_ZL3bari(i32 %i) {
73 ; CHECK: !0 = !{!"branch_weights", i32 2, i32 1, i32 0, i32 2, i32 1, i32 1}
74 ; CHECK: !1 = !{!"branch_weights", i32 2, i32 2}
75 ; CHECK: !2 = !{!"branch_weights", i32 1, i32 1}