Prepare remaining tests for -join-physreg going away.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130893 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/X86/sse-minmax.ll b/test/CodeGen/X86/sse-minmax.ll
index 348121a..ff0af25 100644
--- a/test/CodeGen/X86/sse-minmax.ll
+++ b/test/CodeGen/X86/sse-minmax.ll
@@ -1,6 +1,6 @@
-; RUN: llc < %s -march=x86-64 -asm-verbose=false | FileCheck %s
-; RUN: llc < %s -march=x86-64 -asm-verbose=false -enable-unsafe-fp-math -enable-no-nans-fp-math | FileCheck -check-prefix=UNSAFE %s
-; RUN: llc < %s -march=x86-64 -asm-verbose=false -enable-no-nans-fp-math | FileCheck -check-prefix=FINITE %s
+; RUN: llc < %s -march=x86-64 -asm-verbose=false -join-physregs | FileCheck %s
+; RUN: llc < %s -march=x86-64 -asm-verbose=false -join-physregs -enable-unsafe-fp-math -enable-no-nans-fp-math | FileCheck -check-prefix=UNSAFE %s
+; RUN: llc < %s -march=x86-64 -asm-verbose=false -join-physregs -enable-no-nans-fp-math | FileCheck -check-prefix=FINITE %s
 
 ; Some of these patterns can be matched as SSE min or max. Some of
 ; then can be matched provided that the operands are swapped.
@@ -12,6 +12,9 @@
 ; y_ : use -0.0 instead of %y
 ; _inverse : swap the arms of the select.
 
+; Some of these tests depend on -join-physregs commuting instructions to
+; eliminate copies.
+
 ; CHECK:      ogt:
 ; CHECK-NEXT: maxsd %xmm1, %xmm0
 ; CHECK-NEXT: ret