1 ; RUN: opt < %s -passes=instrprof -runtime-counter-relocation -do-counter-promotion=true -S | FileCheck %s
3 target triple = "x86_64-unknown-linux-gnu"
5 @__profn_foo = private constant [3 x i8] c"foo"
7 define void @foo(i1 %c) {
9 ; CHECK: %[[BIAS:[0-9]+]] = load i64, ptr @__llvm_profile_counter_bias
12 while.cond: ; preds = %land.rhs, %while.cond.preheader
13 ; CHECK: %[[COUNT:[a-z0-9.]+]] = phi i64 [ %[[LAND_COUNT:[0-9]+]], %land.rhs ], [ 0, %entry ]
14 br i1 %c, label %while.cond.cleanup_crit_edge, label %land.rhs
16 while.cond.cleanup_crit_edge: ; preds = %while.cond
17 ; CHECK: %[[COUNTER_PTR:[0-9]+]] = add i64 ptrtoint (ptr @__profc_foo to i64), %[[BIAS]]
18 ; CHECK: %[[COUNTER_ADDR:[0-9]+]] = inttoptr i64 %[[COUNTER_PTR]] to ptr
19 ; CHECK: %[[COUNTER_PROMO:[a-z0-9.]+]] = load i64, ptr %[[COUNTER_ADDR]]
20 ; CHECK: %[[VALUE:[0-9]+]] = add i64 %[[COUNTER_PROMO]], %[[COUNT]]
21 ; CHECK: store i64 %[[VALUE]], ptr %[[COUNTER_ADDR]]
24 land.rhs: ; preds = %while.cond
25 call void @llvm.instrprof.increment(ptr @__profn_foo, i64 0, i32 1, i32 0)
26 ; CHECK: %[[LAND_COUNT]] = add i64 %[[COUNT]], 1
29 cleanup: ; preds = %while.cond.cleanup_crit_edge
33 declare void @llvm.instrprof.increment(ptr, i64, i32, i32)