Fix updateTerminator to be resiliant to degenerate terminators where

[oota-llvm.git] / test / CodeGen / Thumb2 / thumb2-tst2.ll

diff --git a/test/CodeGen/Thumb2/thumb2-tst2.ll b/test/CodeGen/Thumb2/thumb2-tst2.ll
index db202dd2cbcd8f72a42f614b3398a69407f9e55d..bfe016fc8d6ff431272676a4fef59c1e7a86662d 100644 (file)
--- a/test/CodeGen/Thumb2/thumb2-tst2.ll
+++ b/test/CodeGen/Thumb2/thumb2-tst2.ll
@@ -1,12 +1,7 @@
-; RUN: llc < %s -march=thumb -mattr=+thumb2 | FileCheck %s
+; RUN: llc < %s -march=thumb -mattr=+thumb2 -join-physregs | FileCheck %s
 
-define i1 @f1(i32 %a, i32 %b) {
-; CHECK: f1:
-; CHECK: tst r0, r1
-    %tmp = and i32 %a, %b
-    %tmp1 = icmp ne i32 %tmp, 0
-    ret i1 %tmp1
-}
+; 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 @f2(i32 %a, i32 %b) {
 ; CHECK: f2:
@@ -16,14 +11,6 @@ define i1 @f2(i32 %a, i32 %b) {
     ret i1 %tmp1
 }
 
-define i1 @f3(i32 %a, i32 %b) {
-; CHECK: f3:
-; CHECK: tst r0, r1
-    %tmp = and i32 %a, %b
-    %tmp1 = icmp ne i32 0, %tmp
-    ret i1 %tmp1
-}
-
 define i1 @f4(i32 %a, i32 %b) {
 ; CHECK: f4:
 ; CHECK: tst r0, r1