Disable statistics on Release builds and move tests that depend on -stats.

Summary:
Statistics are still available in Release+Asserts (any +Asserts builds),
and stats can also be turned on with LLVM_ENABLE_STATS.

Move some of the FastISel stats that were moved under DEBUG()
back out of DEBUG(), since stats are disabled across the board now.

Many tests depend on grepping "-stats" output.  Move those into
a orig_dir/Stats/. so that they can be marked as unsupported
when building without statistics.

Differential Revision: http://llvm-reviews.chandlerc.com/D486

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176733 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 40 insertions, 0 deletions

diff --git a/test/CodeGen/X86/Stats/zero-remat.ll b/test/CodeGen/X86/Stats/zero-remat.ll
new file mode 100644
index 0000000..4242530
--- /dev/null
+++ b/test/CodeGen/X86/Stats/zero-remat.ll
@@ -0,0 +1,40 @@
+; RUN: llc < %s -march=x86-64 | FileCheck %s --check-prefix=CHECK-64
+; RUN: llc < %s -march=x86-64 -o /dev/null -stats  -info-output-file - | grep asm-printer  | grep 12
+; RUN: llc < %s -march=x86 | FileCheck %s --check-prefix=CHECK-32
+
+declare void @bar(double %x)
+declare void @barf(float %x)
+
+define double @foo() nounwind {
+
+  call void @bar(double 0.0)
+  ret double 0.0
+
+;CHECK-32: foo:
+;CHECK-32: call
+;CHECK-32: fldz
+;CHECK-32: ret
+
+;CHECK-64: foo:
+;CHECK-64: xorps
+;CHECK-64: call
+;CHECK-64: xorps
+;CHECK-64: ret
+}
+
+
+define float @foof() nounwind {
+  call void @barf(float 0.0)
+  ret float 0.0
+
+;CHECK-32: foof:
+;CHECK-32: call
+;CHECK-32: fldz
+;CHECK-32: ret
+
+;CHECK-64: foof:
+;CHECK-64: xorps
+;CHECK-64: call
+;CHECK-64: xorps
+;CHECK-64: ret
+}