[X86] Clean up test/CodeGen/X86/2006-03-02-InstrSchedBug.ll

[jgorbe]

Summary

Migrated from grep to FileCheck.
Re-indented code, removed boilerplate comments.
Added 'entry' label at beginning of basic block.

[dlj]

Looks good. I will push shortly.

test/CodeGen/X86/2006-03-02-InstrSchedBug.ll

 ; REQUIRES: asserts
-; RUN: llc < %s -march=x86  -stats 2>&1 | \
-; RUN:   grep asm-printer | grep 7
+; RUN: llc < %s -march=x86 -stats 2>&1 | FileCheck %s
+; CHECK: 7 asm-printer
 
 define i32 @g(i32 %a, i32 %b) nounwind {
-        %tmp.1 = shl i32 %b, 1          ; <i32> [#uses=1]
-        %tmp.3 = add i32 %tmp.1, %a             ; <i32> [#uses=1]
-        %tmp.5 = mul i32 %tmp.3, %a             ; <i32> [#uses=1]
-        %tmp.8 = mul i32 %b, %b         ; <i32> [#uses=1]
-        %tmp.9 = add i32 %tmp.5, %tmp.8         ; <i32> [#uses=1]
-        ret i32 %tmp.9
+entry:
+  %tmp.1 = shl i32 %b, 1
+  %tmp.3 = add i32 %tmp.1, %a
+  %tmp.5 = mul i32 %tmp.3, %a
+  %tmp.8 = mul i32 %b, %b
+  %tmp.9 = add i32 %tmp.5, %tmp.8
 }