Until we have symbolization for position independent code lets update
this documentation since clang now defaults to position independent
code.
Reviewed By: tejohnson
Differential Revision: https://reviews.llvm.org/
D127808
```
clang -fuse-ld=lld -Wl,--no-rosegment -gmlt -fdebug-info-for-profiling \
-fmemory-profile -mno-omit-leaf-frame-pointer -fno-omit-frame-pointer \
- -fno-optimize-sibling-calls -m64 -Wl,-build-id source.c -o basic.memprofexe
+ -fno-optimize-sibling-calls -m64 -Wl,-build-id -Wl,-no-pie \
+ source.c -o basic.memprofexe
-env MEMPROF_OPTIONS=log_path=stdout ./rawprofile.out > basic.memprofraw
+env MEMPROF_OPTIONS=log_path=stdout ./basic.memprofexe > basic.memprofraw
```
RUN: llvm-profdata show --memory %p/Inputs/basic.memprofraw --profiled-binary %p/Inputs/basic.memprofexe -o - | FileCheck %s
```
bin/clang -fuse-ld=lld -Wl,--no-rosegment -gmlt -fdebug-info-for-profiling \
-fmemory-profile -mno-omit-leaf-frame-pointer -fno-omit-frame-pointer \
- -fno-optimize-sibling-calls -m64 -Wl,-build-id inline.c -o memprof-inline.exe
+ -fno-optimize-sibling-calls -m64 -Wl,-build-id -Wl,-no-pie \
+ inline.c -o inline.memprofexe
-env MEMPROF_OPTIONS=log_path=stdout ./memprof-inline.exe > inline.memprofraw
+env MEMPROF_OPTIONS=log_path=stdout ./inline.memprofexe > inline.memprofraw
```
RUN: llvm-profdata show --memory %p/Inputs/inline.memprofraw --profiled-binary %p/Inputs/inline.memprofexe | FileCheck %s
# Collect memprof profile.
clang -fuse-ld=lld -Wl,--no-rosegment -gmlt -fdebug-info-for-profiling \
-fmemory-profile -mno-omit-leaf-frame-pointer -fno-omit-frame-pointer \
- -fno-optimize-sibling-calls -m64 -Wl,-build-id source.c -o basic.memprofexe
+ -fno-optimize-sibling-calls -m64 -Wl,-build-id -Wl,-no-pie \
+ source.c -o basic.memprofexe
-env MEMPROF_OPTIONS=log_path=stdout ./rawprofile.out > basic.memprofraw
+env MEMPROF_OPTIONS=log_path=stdout ./basic.memprofexe > basic.memprofraw
```
RUN: llvm-profdata merge %p/Inputs/basic.profraw %p/Inputs/basic.memprofraw --profiled-binary %p/Inputs/basic.memprofexe -o %t.prof
```
clang -fuse-ld=lld -Wl,--no-rosegment -gmlt -fdebug-info-for-profiling \
-fmemory-profile -mno-omit-leaf-frame-pointer -fno-omit-frame-pointer \
- -fno-optimize-sibling-calls -m64 -Wl,-build-id source.c -o multi.memprofexe
+ -fno-optimize-sibling-calls -m64 -Wl,-build-id -Wl,-no-pie \
+ source.c -o multi.memprofexe
-env MEMPROF_OPTIONS=log_path=stdout ./rawprofile.out > multi.memprofraw
+env MEMPROF_OPTIONS=log_path=stdout ./multi.memprofexe > multi.memprofraw
```
RUN: llvm-profdata show --memory %p/Inputs/multi.memprofraw --profiled-binary %p/Inputs/multi.memprofexe -o - | FileCheck %s