7 files changed, 26 insertions, 7 deletions

diff --git a/llvm/test/CodeGen/Thumb2/thumb2-cmn.ll b/llvm/test/CodeGen/Thumb2/thumb2-cmn.ll
index eeaaa7fbdf9..df221b945e2 100644
--- a/llvm/test/CodeGen/Thumb2/thumb2-cmn.ll
+++ b/llvm/test/CodeGen/Thumb2/thumb2-cmn.ll
@@ -1,4 +1,7 @@
-; RUN: llc < %s -march=thumb -mattr=+thumb2 | FileCheck %s
+; RUN: llc < %s -march=thumb -mattr=+thumb2 -join-physregs | FileCheck %s
+
+; These tests implicitly depend on 'movs r0, #0' being rematerialized below the
+; test as 'mov.w r0, #0'. So far, that requires physreg joining.
 
 define i1 @f1(i32 %a, i32 %b) {
     %nb = sub i32 0, %b
diff --git a/llvm/test/CodeGen/Thumb2/thumb2-cmp.ll b/llvm/test/CodeGen/Thumb2/thumb2-cmp.ll
index 63249f4cf14..da121140be2 100644
--- a/llvm/test/CodeGen/Thumb2/thumb2-cmp.ll
+++ b/llvm/test/CodeGen/Thumb2/thumb2-cmp.ll
@@ -1,4 +1,7 @@
-; RUN: llc < %s -march=thumb -mattr=+thumb2 | FileCheck %s
+; RUN: llc < %s -march=thumb -mattr=+thumb2 -join-physregs | FileCheck %s
+
+; These tests implicitly depend on 'movs r0, #0' being rematerialized below the
+; test as 'mov.w r0, #0'. So far, that requires physreg joining.
 
 ; 0x000000bb = 187
 define i1 @f1(i32 %a) {
diff --git a/llvm/test/CodeGen/Thumb2/thumb2-cmp2.ll b/llvm/test/CodeGen/Thumb2/thumb2-cmp2.ll
index 55c321dc2b3..15052e00671 100644
--- a/llvm/test/CodeGen/Thumb2/thumb2-cmp2.ll
+++ b/llvm/test/CodeGen/Thumb2/thumb2-cmp2.ll
@@ -1,4 +1,7 @@
-; RUN: llc < %s -march=thumb -mattr=+thumb2 | FileCheck %s
+; RUN: llc < %s -march=thumb -mattr=+thumb2 -join-physregs | FileCheck %s
+
+; These tests implicitly depend on 'movs r0, #0' being rematerialized below the
+; test as 'mov.w r0, #0'. So far, that requires physreg joining.
 
 define i1 @f1(i32 %a, i32 %b) {
 ; CHECK: f1:
diff --git a/llvm/test/CodeGen/Thumb2/thumb2-teq.ll b/llvm/test/CodeGen/Thumb2/thumb2-teq.ll
index 69f03837f4b..566408a6048 100644
--- a/llvm/test/CodeGen/Thumb2/thumb2-teq.ll
+++ b/llvm/test/CodeGen/Thumb2/thumb2-teq.ll
@@ -1,5 +1,7 @@
-; RUN: llc < %s -march=thumb -mattr=+thumb2 | FileCheck %s
+; RUN: llc < %s -march=thumb -mattr=+thumb2 -join-physregs | FileCheck %s
 
+; These tests implicitly depend on 'movs r0, #0' being rematerialized below the
+; test as 'mov.w r0, #0'. So far, that requires physreg joining.
 
 ; 0x000000bb = 187
 define i1 @f1(i32 %a) {
diff --git a/llvm/test/CodeGen/Thumb2/thumb2-teq2.ll b/llvm/test/CodeGen/Thumb2/thumb2-teq2.ll
index 0f122f25384..cdd3489c50d 100644
--- a/llvm/test/CodeGen/Thumb2/thumb2-teq2.ll
+++ b/llvm/test/CodeGen/Thumb2/thumb2-teq2.ll
@@ -1,4 +1,7 @@
-; RUN: llc < %s -march=thumb -mattr=+thumb2 | FileCheck %s
+; RUN: llc < %s -march=thumb -mattr=+thumb2 -join-physregs | FileCheck %s
+
+; These tests implicitly depend on 'movs r0, #0' being rematerialized below the
+; tst as 'mov.w r0, #0'. So far, that requires physreg joining.
 
 define i1 @f1(i32 %a, i32 %b) {
 ; CHECK: f1
diff --git a/llvm/test/CodeGen/Thumb2/thumb2-tst.ll b/llvm/test/CodeGen/Thumb2/thumb2-tst.ll
index d905217189f..47f553f2048 100644
--- a/llvm/test/CodeGen/Thumb2/thumb2-tst.ll
+++ b/llvm/test/CodeGen/Thumb2/thumb2-tst.ll
@@ -1,5 +1,7 @@
-; RUN: llc < %s -march=thumb -mattr=+thumb2 | FileCheck %s
+; RUN: llc < %s -march=thumb -mattr=+thumb2 -join-physregs | FileCheck %s
 
+; These tests implicitly depend on 'movs r0, #0' being rematerialized below the
+; tst as 'mov.w r0, #0'. So far, that requires physreg joining.
 
 ; 0x000000bb = 187
 define i1 @f1(i32 %a) {
diff --git a/llvm/test/CodeGen/Thumb2/thumb2-tst2.ll b/llvm/test/CodeGen/Thumb2/thumb2-tst2.ll
index db202dd2cbc..405b3bb1d38 100644
--- a/llvm/test/CodeGen/Thumb2/thumb2-tst2.ll
+++ b/llvm/test/CodeGen/Thumb2/thumb2-tst2.ll
@@ -1,4 +1,7 @@
-; RUN: llc < %s -march=thumb -mattr=+thumb2 | FileCheck %s
+; RUN: llc < %s -march=thumb -mattr=+thumb2 -join-physregs | FileCheck %s
+
+; These tests implicitly depend on 'movs r0, #0' being rematerialized below the
+; tst as 'mov.w r0, #0'. So far, that requires physreg joining.
 
 define i1 @f1(i32 %a, i32 %b) {
 ; CHECK: f1: