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1;; Test that we don't instrument loads to PGO counters or other2;; compiler inserted variables.3;4; RUN: opt < %s -passes='function(memprof),module(memprof-module)' -S | FileCheck --check-prefixes=CHECK %s5 6target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"7target triple = "x86_64-unknown-linux-gnu"8 9$__profc__Z3foov = comdat nodeduplicate10@__profc__Z3foov = private global [1 x i64] zeroinitializer, section "__llvm_prf_cnts", comdat, align 811@__llvm_gcov_ctr = internal global [1 x i64] zeroinitializer12 13define void @_Z3foov(ptr %a) {14entry:15 ;; Load that should get instrumentation.16 %tmp1 = load i32, ptr %a, align 417 ;; PGO counter update18 %pgocount = load i64, ptr @__profc__Z3foov, align 819 %0 = add i64 %pgocount, 120 store i64 %0, ptr @__profc__Z3foov, align 821 ;; Gcov counter update22 %gcovcount = load i64, ptr @__llvm_gcov_ctr, align 823 %1 = add i64 %gcovcount, 124 store i64 %1, ptr @__llvm_gcov_ctr, align 825 ret void26}27 28;; We should only add memory profile instrumentation for the first load.29; CHECK: define void @_Z3foov30; CHECK-NEXT: entry:31; CHECK-NEXT: %0 = load i64, ptr @__memprof_shadow_memory_dynamic_address, align 832; CHECK-NEXT: %1 = ptrtoint ptr %a to i6433; CHECK-NEXT: %2 = and i64 %1, -6434; CHECK-NEXT: %3 = lshr i64 %2, 335; CHECK-NEXT: %4 = add i64 %3, %036; CHECK-NEXT: %5 = inttoptr i64 %4 to ptr37; CHECK-NEXT: %6 = load i64, ptr %5, align 838; CHECK-NEXT: %7 = add i64 %6, 139; CHECK-NEXT: store i64 %7, ptr %5, align 840; CHECK-NEXT: %tmp1 = load i32, ptr %a, align 441; CHECK-NEXT: %pgocount = load i64, ptr @__profc__Z3foov42; CHECK-NEXT: %8 = add i64 %pgocount, 143; CHECK-NEXT: store i64 %8, ptr @__profc__Z3foov44; CHECK-NEXT: %gcovcount = load i64, ptr @__llvm_gcov_ctr45; CHECK-NEXT: %9 = add i64 %gcovcount, 146; CHECK-NEXT: store i64 %9, ptr @__llvm_gcov_ctr47; CHECK-NEXT: ret void48