[compiler-rt] Fix some tests to work with lit internal shell.

This is part of our work to migrate lit tests to use internal shell
by default (performance improvements).

Author: cmtice

compiler-rt/test/fuzzer/fork-sigusr.test

@@ -1,14 +1,14 @@
 # Check that libFuzzer honors SIGUSR1/SIGUSR2
 # Disabled on Windows which does not have SIGUSR1/SIGUSR2.
-REQUIRES: shell
 UNSUPPORTED: darwin, target={{.*windows.*}}, target=aarch64{{.*}}
 RUN: rm -rf %t
 RUN: mkdir -p %t
 RUN: %cpp_compiler %S/SleepOneSecondTest.cpp -o %t/ForkSIGUSR
 
-RUN: %run %t/ForkSIGUSR -fork=3 -ignore_crashes=1 2>%t/log & export PID=$!
+RUN: bash -c "nohup %run %t/ForkSIGUSR -fork=3 -ignore_crashes=1 2>%t/log &" | env
+RUN: ps auxx | grep ForkSIGUSR | grep -v "grep" | awk '{print $2}' | tr -d '\n' > %t2
 RUN: sleep 3
-RUN: kill -SIGUSR2 $PID
+RUN: kill -SIGUSR2 %{readfile:%t2}
 RUN: sleep 6
 RUN: cat %t/log | FileCheck %s --dump-input=fail
 

compiler-rt/test/fuzzer/sigint.test

@@ -1,14 +1,15 @@
-REQUIRES: shell, msan
+REQUIRES: msan
 UNSUPPORTED: target=arm{{.*}}
 
 # Check that libFuzzer exits gracefully under SIGINT with MSan.
 RUN: rm -rf %t
 RUN: mkdir -p %t
 RUN: %msan_compiler %S/SleepOneSecondTest.cpp -o %t/LFSIGINT
 
-RUN: %run %t/LFSIGINT 2> %t/log & export PID=$!
+RUN: bash -c "nohup %run %t/LFSIGINT 2> %t/log &" | env
+RUN: ps auxx | grep LFSIGINT | grep -v "grep" | awk '{print $2}' | tr -d '\n' > %t2
 RUN: sleep 2
-RUN: kill -SIGINT $PID
+RUN: kill -SIGINT %{readfile:%t2}
 RUN: sleep 3
 RUN: cat %t/log | FileCheck %s
 

compiler-rt/test/fuzzer/sigusr.test

@@ -1,15 +1,15 @@
 # FIXME: Disabled on Windows for now because of reliance on posix only features
 # (eg: export, "&", pkill).
-REQUIRES: shell
 UNSUPPORTED: darwin, target={{.*windows.*}}
 # Check that libFuzzer honors SIGUSR1/SIGUSR2
 RUN: rm -rf %t
 RUN: mkdir -p %t
 RUN: %cpp_compiler %S/SleepOneSecondTest.cpp -o %t/LFSIGUSR
 
-RUN: %run %t/LFSIGUSR 2> %t/log & export PID=$!
+RUN: bash -c "nohup %run %t/LFSIGUSR 2> %t/log &"| env
+RUN: ps auxx | grep LFSIGUSR | grep -v "grep" | awk '{print $2}' | tr -d '\n' > %t2
 RUN: sleep 2
-RUN: kill -SIGUSR1 $PID
+RUN: kill -SIGUSR1 %{readfile:%t2}
 RUN: sleep 3
 RUN: cat %t/log | FileCheck %s
 

compiler-rt/test/msan/allocator_mapping.cpp

@@ -3,7 +3,8 @@
 // mapping the heap early, in __msan_init.
 //
 // RUN: %clangxx_msan -O0 %s -o %t_1
-// RUN: %clangxx_msan -O0 -DHEAP_ADDRESS=$(%run %t_1) %s -o %t_2 && %run %t_2
+// RUN: %run %t_1 > %t_3
+// RUN: %clangxx_msan -O0 -DHEAP_ADDRESS=%{readfile:%t_3} %s -o %t_2 && %run %t_2
 //
 // This test only makes sense for the 64-bit allocator. The 32-bit allocator
 // does not have a fixed mapping. Exclude platforms that use the 32-bit

compiler-rt/test/nsan/Posix/allocator_mapping.cpp

@@ -2,7 +2,8 @@
 /// Test that a module constructor can not map memory over the NSan heap
 /// (without MAP_FIXED, of course).
 // RUN: %clangxx_nsan -O0 %s -o %t_1
-// RUN: %clangxx_nsan -O0 -DHEAP_ADDRESS=$(%run %t_1) %s -o %t_2 && %run %t_2
+// RUN: %run %t_1 > %t_3
+// RUN: %clangxx_nsan -O0 -DHEAP_ADDRESS=%{readfile:%t_3} %s -o %t_2 && %run %t_2
 
 #include <assert.h>
 #include <stdio.h>

compiler-rt/test/tsan/ignore_lib0.cpp

@@ -4,11 +4,12 @@
 // RUN: %clangxx_tsan -O1 -fno-builtin %s -DLIB -fPIC -fno-sanitize=thread -shared -o %t-dir/libignore_lib0.so
 // RUN: %clangxx_tsan -O1 %s -L%t-dir -lignore_lib0 %link_libcxx_tsan -o %t
 // RUN: echo running w/o suppressions:
-// RUN: env LD_LIBRARY_PATH=%t-dir${LD_LIBRARY_PATH:+:$LD_LIBRARY_PATH} %deflake %run %t | FileCheck %s --check-prefix=CHECK-NOSUPP
+// RUN: bash -c env | grep LD_LIBRARY_PATH | sed s/.*LD_LIBRARY_PATH=// > %t2
+// RUN: env LD_LIBRARY_PATH=%t-dir:%{readfile:%t2} %deflake %run %t | FileCheck %s --check-prefix=CHECK-NOSUPP
 // RUN: echo running with suppressions:
-// RUN: env LD_LIBRARY_PATH=%t-dir${LD_LIBRARY_PATH:+:$LD_LIBRARY_PATH} %env_tsan_opts=suppressions='%s.supp' %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-WITHSUPP
+// RUN: env LD_LIBRARY_PATH=%t-dir:%{readfile:%t2} %env_tsan_opts=suppressions='%s.supp' %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-WITHSUPP
 // RUN: echo running with generic suppression of noninstrumented code:
-// RUN: env LD_LIBRARY_PATH=%t-dir${LD_LIBRARY_PATH:+:$LD_LIBRARY_PATH} %env_tsan_opts=ignore_noninstrumented_modules=1 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-WITHSUPP
+// RUN: env LD_LIBRARY_PATH=%t-dir:%{readfile:%t2} %env_tsan_opts=ignore_noninstrumented_modules=1 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-WITHSUPP
 
 // Tests that interceptors coming from a library specified in called_from_lib
 // suppression are ignored.
@@ -37,4 +38,3 @@ int main() {
 
 // CHECK-WITHSUPP-NOT: WARNING: ThreadSanitizer: data race
 // CHECK-WITHSUPP: OK
-