| ; RUN: opt < %s -passes=pgo-instr-gen -S | FileCheck %s |
| |
| target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| declare void @llvm.memcpy.p0.p0.i32(ptr nocapture writeonly, ptr nocapture readonly, i32, i1) |
| |
| define i64 @foo1(ptr %a, ptr %b, i32 %s) { |
| entry: |
| call void @llvm.memcpy.p0.p0.i32(ptr %a, ptr %b, i32 %s, i1 false); |
| ret i64 0 |
| } |
| |
| define i64 @foo2(ptr %a, ptr %b, i32 %s) { |
| entry: |
| ret i64 0 |
| } |
| |
| ; The two hashes should not be equal as the existence of the memcpy should change the hash. |
| ; |
| ; CHECK: @foo1 |
| ; CHECK: call void @llvm.instrprof.increment(ptr @__profn_foo1, i64 [[FOO1_HASH:[0-9]+]], i32 1, i32 0) |
| ; CHECK: @foo2 |
| ; CHECK-NOT: call void @llvm.instrprof.increment(ptr @__profn_foo2, i64 [[FOO1_HASH]], i32 1, i32 0) |
