-; RUN: llc < %s -march=thumb -mattr=+thumb2 -join-physregs | FileCheck %s
+; RUN: llc < %s -march=thumb -mattr=+thumb2 | 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.
+; These tests would be improved by 'movs r0, #0' being rematerialized below the
+; tst as 'mov.w r0, #0'.
define i1 @f2(i32 %a, i32 %b) {
; CHECK: f2
-; CHECK: teq.w r0, r1
+; CHECK: teq.w {{.*}}, r1
%tmp = xor i32 %a, %b
%tmp1 = icmp eq i32 %tmp, 0
ret i1 %tmp1
define i1 @f4(i32 %a, i32 %b) {
; CHECK: f4
-; CHECK: teq.w r0, r1
+; CHECK: teq.w {{.*}}, r1
%tmp = xor i32 %a, %b
%tmp1 = icmp eq i32 0, %tmp
ret i1 %tmp1
define i1 @f6(i32 %a, i32 %b) {
; CHECK: f6
-; CHECK: teq.w r0, r1, lsl #5
+; CHECK: teq.w {{.*}}, r1, lsl #5
%tmp = shl i32 %b, 5
%tmp1 = xor i32 %a, %tmp
%tmp2 = icmp eq i32 %tmp1, 0
define i1 @f7(i32 %a, i32 %b) {
; CHECK: f7
-; CHECK: teq.w r0, r1, lsr #6
+; CHECK: teq.w {{.*}}, r1, lsr #6
%tmp = lshr i32 %b, 6
%tmp1 = xor i32 %a, %tmp
%tmp2 = icmp eq i32 %tmp1, 0
define i1 @f8(i32 %a, i32 %b) {
; CHECK: f8
-; CHECK: teq.w r0, r1, asr #7
+; CHECK: teq.w {{.*}}, r1, asr #7
%tmp = ashr i32 %b, 7
%tmp1 = xor i32 %a, %tmp
%tmp2 = icmp eq i32 %tmp1, 0
define i1 @f9(i32 %a, i32 %b) {
; CHECK: f9
-; CHECK: teq.w r0, r0, ror #8
+; CHECK: teq.w {{.*}}, {{.*}}, ror #8
%l8 = shl i32 %a, 24
%r8 = lshr i32 %a, 8
%tmp = or i32 %l8, %r8