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-rw-r--r--test/CodeGen/Thumb2/thumb2-tst2.ll5
1 files changed, 4 insertions, 1 deletions
diff --git a/test/CodeGen/Thumb2/thumb2-tst2.ll b/test/CodeGen/Thumb2/thumb2-tst2.ll
index db202dd..405b3bb 100644
--- a/test/CodeGen/Thumb2/thumb2-tst2.ll
+++ b/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: