Revert r307445 as it breaks on certain platforms.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@307449 91177308-0d34-0410-b5e6-96231b3b80d8

test/CodeGen/Inputs/pgo-sample.prof

-bar:1000:1000
- 1: 1000
- 2: 0
-foo:1000:1000
- 1:bar:1000
-  1: 1000
-  2: 1000
+bar:100:100
+ 1: 2000

test/CodeGen/pgo-sample.c

 // Test if PGO sample use passes are invoked.
 //
-// Ensure Pass SampleProfileLoader is invoked.
-// RUN: %clang_cc1 -O2 -fprofile-sample-use=%S/Inputs/pgo-sample.prof %s -mllvm -debug-pass=Structure -emit-llvm -o - 2>&1 | FileCheck %s --check-prefix=STRUCTURE
-// RUN: %clang_cc1 -O2 -fprofile-sample-use=%S/Inputs/pgo-sample.prof %s -mllvm -debug-pass=Structure -mllvm -inline-threshold=0 -emit-llvm -o - 2>&1 | FileCheck %s
-// RUN: %clang_cc1 -O2 -fprofile-sample-use=%S/Inputs/pgo-sample.prof %s -mllvm -debug-pass=Structure -mllvm -inline-threshold=0 -emit-llvm -fexperimental-new-pass-manager -o - 2>&1 | FileCheck %s
-// STRUCTURE: Remove unused exception handling info
-// STRUCTURE: Sample profile pass
-
-void baz();
-
-// CHECK-LABEL: @callee(
-void callee(int t) {
-  for (int i = 0; i < t; i++)
-    baz();
-}
-
-// CHECK-LABEL: @bar(
-// cold call to callee should not be inlined.
-// CHECK: call void @callee
-void bar(int x) {
-  if (x < 100)
-    callee(x);
-}
-
-// CHECK-LABEL: @foo(
-// bar should be early-inlined because it is hot inline instance in profile.
-// callee should be inlined because it is hot callsite in the inline instance
-// of foo:bar.
-// CHECK-NOT: call void @callee
-// CHECK-NOT: call void @bar
-void foo(int x) {
-  bar(x);
-}
+// Ensure Pass PGOInstrumentationGenPass is invoked.
+// RUN: %clang_cc1 -O2 -fprofile-sample-use=%S/Inputs/pgo-sample.prof %s -mllvm -debug-pass=Structure -emit-llvm -o - 2>&1 | FileCheck %s
+// CHECK: Remove unused exception handling info
+// CHECK: Sample profile pass