Make this test a bit more strict and fix it.

We do pass -pic-level to cc1 when targeting darwin. Given that codegen
itself doesn't use it, the only difference is whether __PIE__ and
__pie__ are defined.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@273450 91177308-0d34-0410-b5e6-96231b3b80d8

test/Driver/pic.c

@@ -7,9 +7,11 @@
 //
 // CHECK-PIC1: "-mrelocation-model" "pic"
 // CHECK-PIC1: "-pic-level" "1"
+// CHECK-PIC1-NOT: "-pie-level"
 //
 // CHECK-PIC2: "-mrelocation-model" "pic"
 // CHECK-PIC2: "-pic-level" "2"
+// CHECK-PIC2-NOT: "-pie-level"
 //
 // CHECK-STATIC: "-static"
 // CHECK-NO-STATIC-NOT: "-static"
@@ -151,10 +153,9 @@
 // RUN:   | FileCheck %s --check-prefix=CHECK-NO-PIE
 //
 // Darwin is a beautiful and unique snowflake when it comes to these flags.
-// When targeting a 32-bit darwin system, the -fno-* flag variants work and
-// disable PIC, but any other flag enables PIC (*not* PIE) even if the flag
-// specifies PIE. On 64-bit targets, there is simply nothing you can do, there
-// is no PIE, there is only PIC when it comes to compilation.
+// When targeting a 32-bit darwin system, only level 2 is supported. On 64-bit
+// targets, there is simply nothing you can do, there is no PIE, there is only
+// PIC when it comes to compilation.
 // RUN: %clang -c %s -target i386-apple-darwin -### 2>&1 \
 // RUN:   | FileCheck %s --check-prefix=CHECK-PIC2
 // RUN: %clang -c %s -target i386-apple-darwin -fpic -### 2>&1 \
@@ -162,9 +163,9 @@
 // RUN: %clang -c %s -target i386-apple-darwin -fPIC -### 2>&1 \
 // RUN:   | FileCheck %s --check-prefix=CHECK-PIC2
 // RUN: %clang -c %s -target i386-apple-darwin -fpie -### 2>&1 \
-// RUN:   | FileCheck %s --check-prefix=CHECK-PIC2
+// RUN:   | FileCheck %s --check-prefix=CHECK-PIE2
 // RUN: %clang -c %s -target i386-apple-darwin -fPIE -### 2>&1 \
-// RUN:   | FileCheck %s --check-prefix=CHECK-PIC2
+// RUN:   | FileCheck %s --check-prefix=CHECK-PIE2
 // RUN: %clang -c %s -target i386-apple-darwin -fno-PIC -### 2>&1 \
 // RUN:   | FileCheck %s --check-prefix=CHECK-NO-PIC
 // RUN: %clang -c %s -target i386-apple-darwin -fno-PIE -### 2>&1 \
@@ -172,7 +173,7 @@
 // RUN: %clang -c %s -target i386-apple-darwin -fno-PIC -fpic -### 2>&1 \
 // RUN:   | FileCheck %s --check-prefix=CHECK-PIC2
 // RUN: %clang -c %s -target i386-apple-darwin -fno-PIC -fPIE -### 2>&1 \
-// RUN:   | FileCheck %s --check-prefix=CHECK-PIC2
+// RUN:   | FileCheck %s --check-prefix=CHECK-PIE2
 // RUN: %clang -c %s -target x86_64-apple-darwin -fno-PIC -### 2>&1 \
 // RUN:   | FileCheck %s --check-prefix=CHECK-PIC2
 // RUN: %clang -c %s -target x86_64-apple-darwin -fno-PIE -### 2>&1 \