diff --git a/llvm/test/tools/llvm-profgen/Inputs/recursion-compression-pseudoprobe-nommap.perfscript b/llvm/test/tools/llvm-profgen/Inputs/recursion-compression-pseudoprobe-nommap.perfscript
new file mode 100644
--- /dev/null
+++ b/llvm/test/tools/llvm-profgen/Inputs/recursion-compression-pseudoprobe-nommap.perfscript
@@ -0,0 +1,22 @@
+
+	          2017db
+	          2017ba
+	          2017e5
+	          2017ba
+	          2017e5
+	          2017d9
+	          2017ba
+	          2017b0
+	          2017b0
+	          2017b0
+	          2017b0
+	          2017b0
+	          2017b0
+	          2017b0
+	          2017b0
+	          2017e5
+	          2017d9
+	          201847
+	    7fcb072a67c3
+	5541f689495641d7
+ 0x2017cd/0x2017db/P/-/-/0  0x2017b5/0x2017c0/P/-/-/0  0x2017a7/0x2017b2/P/-/-/0  0x2017e0/0x2017a0/P/-/-/0  0x2017cd/0x2017db/P/-/-/0  0x2017b5/0x2017c0/P/-/-/0  0x2017a7/0x2017b2/P/-/-/0  0x2017e0/0x2017a0/P/-/-/0  0x2017cd/0x2017db/P/-/-/0  0x2017d4/0x2017c0/P/-/-/0  0x2017b5/0x2017c0/P/-/-/0  0x2017a7/0x2017b2/P/-/-/0  0x2017ab/0x2017a0/P/-/-/0  0x2017ab/0x2017a0/P/-/-/0  0x2017ab/0x2017a0/P/-/-/0  0x2017ab/0x2017a0/P/-/-/0
diff --git a/llvm/test/tools/llvm-profgen/mmapEvent.test b/llvm/test/tools/llvm-profgen/mmapEvent.test
--- a/llvm/test/tools/llvm-profgen/mmapEvent.test
+++ b/llvm/test/tools/llvm-profgen/mmapEvent.test
@@ -1,5 +1,7 @@
 ; REQUIRES: x86-registered-target
 ; RUN: llvm-profgen --perfscript=%s --binary=%S/Inputs/inline-cs-pseudoprobe.perfbin --output=%t --show-mmap-events | FileCheck %s
+; RUN: llvm-profgen --perfscript=%s --binary=%S/Inputs/inline-cs-pseudoprobe.perfbin --output=%t --show-mmap-events --ignore-mmap-events | FileCheck %s --allow-empty -check-prefix=CHECK-IGNORE
+
 
 PERF_RECORD_MMAP2 2580483/2580483: [0x400000(0x1000) @ 0 103:01 539973862 1972407324]: r-xp /home/a.out
 PERF_RECORD_MMAP2 2580483/2580483: [0x7f2505b40000(0x224000) @ 0 08:04 19532214 4169021329]: r-xp /usr/lib64/ld-2.17.so
@@ -29,3 +31,5 @@
 ; CHECK: Mmap: Binary /usr/lib64/perf_fopen_hook.so loaded at 0x7f2505d56000
 ; CHECK: Mmap: Binary /home/hoy/test/dlopen/helper.so loaded at 0x7f2505156000
 ; CHECK: Mmap: Binary /home/hoy/test/dlopen/helper.so loaded at 0x7f2505156000
+
+; CHECK-IGNORE-NOT: Mmap: Binary /home/a.out loaded at 0x400000
diff --git a/llvm/test/tools/llvm-profgen/recursion-compression-pseudoprobe.test b/llvm/test/tools/llvm-profgen/recursion-compression-pseudoprobe.test
--- a/llvm/test/tools/llvm-profgen/recursion-compression-pseudoprobe.test
+++ b/llvm/test/tools/llvm-profgen/recursion-compression-pseudoprobe.test
@@ -3,6 +3,9 @@
 ; RUN: FileCheck %s --input-file %t -check-prefix=CHECK-UNCOMPRESS
 ; RUN: llvm-profgen --format=text --perfscript=%S/Inputs/recursion-compression-pseudoprobe.perfscript --binary=%S/Inputs/recursion-compression-pseudoprobe.perfbin --output=%t --show-unwinder-output --profile-summary-cold-count=0 | FileCheck %s --check-prefix=CHECK-UNWINDER
 ; RUN: FileCheck %s --input-file %t
+; RUN: llvm-profgen --format=text --perfscript=%S/Inputs/recursion-compression-pseudoprobe-nommap.perfscript --binary=%S/Inputs/recursion-compression-pseudoprobe.perfbin --output=%t --show-unwinder-output --profile-summary-cold-count=0  --ignore-mmap-events | FileCheck %s --check-prefix=CHECK-UNWINDER
+; RUN: FileCheck %s --input-file %t
+
 
 ; CHECK-UNCOMPRESS: [main:2 @ foo:5 @ fa:8 @ fa:7 @ fb:5 @ fb:5 @ fb:5 @ fb:5 @ fb:5 @ fb:5 @ fb:5 @ fb:5 @ fb:6 @ fa:8 @ fa:7 @ fb:6 @ fa]:4:1
 ; CHECK-UNCOMPRESS:  1: 1
diff --git a/llvm/tools/llvm-profgen/PerfReader.cpp b/llvm/tools/llvm-profgen/PerfReader.cpp
--- a/llvm/tools/llvm-profgen/PerfReader.cpp
+++ b/llvm/tools/llvm-profgen/PerfReader.cpp
@@ -13,6 +13,11 @@
                                     cl::init(false), cl::ZeroOrMore,
                                     cl::desc("Print binary load events."));
 
+static cl::opt<bool> IgnoreMMapEvents(
+    "ignore-mmap-events", cl::ReallyHidden, cl::init(false), cl::ZeroOrMore,
+    cl::desc("Ignore to parse MMap(binary load) events but instead assume "
+             "binary is always loaded at the preferred address."));
+
 static cl::opt<bool> ShowUnwinderOutput("show-unwinder-output",
                                         cl::ReallyHidden, cl::init(false),
                                         cl::ZeroOrMore,
@@ -317,7 +322,15 @@
     exitWithError(ErrorMsg);
   }
 
-  return Ret.first->second;
+  ProfiledBinary &B = Ret.first->second;
+  if (IgnoreMMapEvents) {
+    // Set the base address to prefered address when ignore parsing mmap events.
+    uint64_t PreferredAddr = B.getPreferredBaseAddress();
+    AddrToBinaryMap[PreferredAddr] = &B;
+    B.setBaseAddress(PreferredAddr);
+  }
+
+  return B;
 }
 
 void PerfReaderBase::updateBinaryAddress(const MMapEvent &Event) {
@@ -649,6 +662,10 @@
 }
 
 void PerfReaderBase::parseMMap2Event(TraceStream &TraceIt) {
+  if (IgnoreMMapEvents) {
+    TraceIt.advance();
+    return;
+  }
   // Parse a line like:
   //  PERF_RECORD_MMAP2 2113428/2113428: [0x7fd4efb57000(0x204000) @ 0
   //  08:04 19532229 3585508847]: r-xp /usr/lib64/libdl-2.17.so