Remove some unnecessary REQUIRES: shell lines

This means these tests will run on Windows. Replace one with
UNSUPPORTED: system-windows.

llvm-svn: 371473

test/Linker/datalayout.ll

@@ -1,6 +1,7 @@
-; REQUIRES: shell
-; RUN: llvm-link %s %S/Inputs/datalayout-a.ll -S -o - 2>%t.a.err
-; RUN: (echo foo ;cat %t.a.err) | FileCheck --check-prefix=WARN-A %s
+;   Ensure t.a.err is non-empty.
+; RUN: echo foo > %t.a.err
+; RUN: llvm-link %s %S/Inputs/datalayout-a.ll -S -o - 2>>%t.a.err
+; RUN: FileCheck --check-prefix=WARN-A %s < %t.a.err
 
 ; RUN: llvm-link %s %S/Inputs/datalayout-b.ll -S -o - 2>%t.b.err
 ; RUN: cat %t.b.err | FileCheck --check-prefix=WARN-B %s

test/MC/ELF/comp-dir.s

@@ -1,4 +1,6 @@
-// REQUIRES: shell
+// Don't try to make symlinks on Windows.
+// UNSUPPORTED: system-windows
+//
 // RUN: llvm-mc -triple=x86_64-linux-unknown -g -fdebug-compilation-dir=/test/comp/dir %s -filetype=obj -o %t.o
 // RUN: llvm-dwarfdump -v -debug-info %t.o | FileCheck %s
 

test/Other/lit-unicode.txt

@@ -1,3 +1,5 @@
+FIXME: See if we can fix this in lit by using Unicode strings.
 REQUIRES: shell
+
 RUN: echo "ようこそ" | FileCheck %s
 CHECK: {{^}}ようこそ{{$}}

test/tools/llvm-cov/copy_block_helper.m

@@ -1,8 +1,8 @@
 // Make sure that compiler-added functions (whose line number is zero) don't
 // crash llvm-cov.
 
-// We need shell for cd
-// REQUIRES: shell
+
+
 
 // RUN: rm -rf %t
 // RUN: mkdir %t

test/tools/llvm-cov/cov-comdat.test

@@ -1,5 +1,3 @@
-REQUIRES: shell
-
 # The binary contains two (merged) covmap sections which
 # have duplicate CovMapRecords from comdat (template instantation).
 # This test makes sure the reader reads it properly. It also

test/tools/llvm-cov/gcov47_compatibility.cpp

@@ -5,8 +5,8 @@
 // -coverage -Xclang -coverage-no-function-names-in-data
 // -Xclang -coverage-cfg-checksum -Xclang -coverage-version='407*'
 
-// We need shell for cd
-// REQUIRES: shell
+
+
 
 // RUN: rm -rf %t
 // RUN: mkdir %t

test/tools/llvm-cov/range_based_for.cpp

@@ -1,8 +1,8 @@
 // Make sure that compiler-added local variables (whose line number is zero)
 // don't crash llvm-cov.
 
-// We need shell for cd
-// REQUIRES: shell
+
+
 
 // RUN: rm -rf %t
 // RUN: mkdir %t

test/tools/llvm-dwp/X86/dwos_list_from_exec_simple.test

@@ -1,5 +1,3 @@
-REQUIRES: shell
-
 RUN: rm -rf %t
 RUN: mkdir %t
 RUN: cd %t