57 lines · plain
1; Test basic memory profiler instrumentation with histograms.2;3; RUN: opt < %s -passes='function(memprof),memprof-module' -memprof-histogram -S | FileCheck --check-prefixes=CHECK,CHECK-S3 %s4 5target 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"6target triple = "x86_64-unknown-linux-gnu"7 8; CHECK: @llvm.used = appending global [1 x ptr] [ptr @memprof.module_ctor]9; CHECK: @llvm.global_ctors = appending global [1 x { i32, ptr, ptr }] [{ i32, ptr, ptr } { i32 1, ptr @memprof.module_ctor, ptr null }]10 11define i32 @test_load(ptr %a) {12entry:13 %tmp1 = load i32, ptr %a, align 414 ret i32 %tmp115}16; CHECK-LABEL: @test_load17; CHECK: %[[SHADOW_OFFSET:[^ ]*]] = load i64, ptr @__memprof_shadow_memory_dynamic_address18; CHECK-NEXT: %[[LOAD_ADDR:[^ ]*]] = ptrtoint ptr %a to i6419; CHECK-NEXT: %[[MASKED_ADDR:[^ ]*]] = and i64 %[[LOAD_ADDR]], -820; CHECK-S3-NEXT: %[[SHIFTED_ADDR:[^ ]*]] = lshr i64 %[[MASKED_ADDR]], 321; CHECK-NEXT: add i64 %[[SHIFTED_ADDR]], %[[SHADOW_OFFSET]]22; CHECK-NEXT: %[[LOAD_SHADOW_PTR:[^ ]*]] = inttoptr23; CHECK-NEXT: %[[LOAD_SHADOW:[^ ]*]] = load i8, ptr %[[LOAD_SHADOW_PTR]]24; CHECK-NEXT: %[[ICMP_MAX_COUNT:[^ ]*]] = icmp ult i8 %[[LOAD_SHADOW]], -125; CHECK-NEXT: br i1 %[[ICMP_MAX_COUNT]], label %[[INC_LABEL:[^ ]*]], label %[[ELSE_LABEL:[^ ]*]]26; CHECK: [[INC_LABEL]]:27; CHECK-NEXT: %[[NEW_SHADOW:[^ ]*]] = add i8 %[[LOAD_SHADOW]], 128; CHECK-NEXT: store i8 %[[NEW_SHADOW]], ptr %[[LOAD_SHADOW_PTR]]29; CHECK-NEXT: br label %[[ELSE_LABEL]]30; The actual load.31; CHECK: [[ELSE_LABEL]]:32; CHECK-NEXT: %tmp1 = load i32, ptr %a33; CHECK-NEXT: ret i32 %tmp134 35define void @test_store(ptr %a) {36entry:37 store i32 42, ptr %a, align 438 ret void39}40; CHECK-LABEL: @test_store41; CHECK: %[[SHADOW_OFFSET:[^ ]*]] = load i64, ptr @__memprof_shadow_memory_dynamic_address42; CHECK-NEXT: %[[LOAD_ADDR:[^ ]*]] = ptrtoint ptr %a to i6443; CHECK-NEXT: %[[MASKED_ADDR:[^ ]*]] = and i64 %[[LOAD_ADDR]], -844; CHECK-S3-NEXT: %[[SHIFTED_ADDR:[^ ]*]] = lshr i64 %[[MASKED_ADDR]], 345; CHECK-NEXT: add i64 %[[SHIFTED_ADDR]], %[[SHADOW_OFFSET]]46; CHECK-NEXT: %[[STORE_SHADOW_PTR:[^ ]*]] = inttoptr47; CHECK-NEXT: %[[STORE_SHADOW:[^ ]*]] = load i8, ptr %[[STORE_SHADOW_PTR]]48; CHECK-NEXT: %[[ICMP_MAX_COUNT:[^ ]*]] = icmp ult i8 %[[STORE_SHADOW]], -149; CHECK-NEXT: br i1 %[[ICMP_MAX_COUNT]], label %[[INC_LABEL:[^ ]*]], label %[[ELSE_LABEL:[^ ]*]]50; CHECK: [[INC_LABEL]]:51; CHECK-NEXT: %[[NEW_SHADOW:[^ ]*]] = add i8 %[[STORE_SHADOW]], 152; CHECK-NEXT: store i8 %[[NEW_SHADOW]], ptr %[[STORE_SHADOW_PTR]]53; CHECK-NEXT: br label %[[ELSE_LABEL]]54; The actual store.55; CHECK: [[ELSE_LABEL]]:56; CHECK-NEXT: store i32 42, ptr %a, align 457; CHECK-NEXT: ret void