Revert "Rewrite a test to count emitted instructions without using -stats"

This reverts commit aac7922b8fe7ae733d3fe6697e6789fd730315dc. I am reverting the
commit since it broke the phase 1 public buildbot for a few hours.

http://lab.llvm.org:8013/builders/clang-x86_64-darwin11-nobootstrap-RA/builds/2137

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176394 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/Thumb/iabs.ll b/test/CodeGen/Thumb/iabs.ll
index bce5bb2474dac2357d54043cc02422b10d6492ec..2e77660c45c1d72773c517ab6cc2421752058173 100644 (file)
--- a/test/CodeGen/Thumb/iabs.ll
+++ b/test/CodeGen/Thumb/iabs.ll
@@ -1,20 +1,22 @@
-; RUN: llc < %s -march=thumb -filetype=obj -o %t.o
-; RUN: llvm-objdump -disassemble -arch=thumb %t.o | FileCheck %s
+; RUN: llc < %s -march=thumb -stats 2>&1 | \
+; RUN:   grep "4 .*Number of machine instrs printed"
+
+;; Integer absolute value, should produce something as good as:
+;; Thumb:
+;;   movs r0, r0
+;;   bpl
+;;   rsb r0, r0, #0 (with opitmization, bpl + rsb is if-converted into rsbmi)
+;;   bx lr
 
 define i32 @test(i32 %a) {
         %tmp1neg = sub i32 0, %a
         %b = icmp sgt i32 %a, -1
         %abs = select i1 %b, i32 %a, i32 %tmp1neg
         ret i32 %abs
-
-; This test just checks that 4 instructions were emitted
-
-; CHECK:      {{^.text:}}
-; CHECK-NEXT: 0:
-; CHECK-NEXT: 2:
-; CHECK-NEXT: 4:
-; CHECK-NEXT: 6:
-
-; CHECK-NOT: 8:
+; CHECK:  movs r0, r0
+; CHECK:  bpl
+; CHECK:  rsb r0, r0, #0
+; CHECK:  bx lr
 }
 
+