1dcdc7761SHiroshi Yamauchi; RUN: opt < %s -passes=pgo-instr-gen -S | FileCheck %s 2dcdc7761SHiroshi Yamauchi 3dcdc7761SHiroshi Yamauchitarget datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" 4dcdc7761SHiroshi Yamauchitarget triple = "x86_64-unknown-linux-gnu" 5dcdc7761SHiroshi Yamauchi 6*9ff36df5SFangrui Songdeclare void @llvm.memcpy.p0.p0.i32(ptr nocapture writeonly, ptr nocapture readonly, i32, i1) 7dcdc7761SHiroshi Yamauchi 8*9ff36df5SFangrui Songdefine i64 @foo1(ptr %a, ptr %b, i32 %s) { 9dcdc7761SHiroshi Yamauchientry: 10*9ff36df5SFangrui Song call void @llvm.memcpy.p0.p0.i32(ptr %a, ptr %b, i32 %s, i1 false); 11dcdc7761SHiroshi Yamauchi ret i64 0 12dcdc7761SHiroshi Yamauchi} 13dcdc7761SHiroshi Yamauchi 14*9ff36df5SFangrui Songdefine i64 @foo2(ptr %a, ptr %b, i32 %s) { 15dcdc7761SHiroshi Yamauchientry: 16dcdc7761SHiroshi Yamauchi ret i64 0 17dcdc7761SHiroshi Yamauchi} 18dcdc7761SHiroshi Yamauchi 19dcdc7761SHiroshi Yamauchi; The two hashes should not be equal as the existence of the memcpy should change the hash. 20dcdc7761SHiroshi Yamauchi; 21dcdc7761SHiroshi Yamauchi; CHECK: @foo1 22*9ff36df5SFangrui Song; CHECK: call void @llvm.instrprof.increment(ptr @__profn_foo1, i64 [[FOO1_HASH:[0-9]+]], i32 1, i32 0) 23dcdc7761SHiroshi Yamauchi; CHECK: @foo2 24*9ff36df5SFangrui Song; CHECK-NOT: call void @llvm.instrprof.increment(ptr @__profn_foo2, i64 [[FOO1_HASH]], i32 1, i32 0) 25