-; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep {cmn\\.w\\W*r\[0-9\],\\W*r\[0-9\]$} | count 4
-; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep {cmn\\.w\\W*r\[0-9\],\\W*r\[0-9\],\\W*lsl\\W*#5$} | count 1
-; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep {cmn\\.w\\W*r\[0-9\],\\W*r\[0-9\],\\W*lsr\\W*#6$} | count 1
-; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep {cmn\\.w\\W*r\[0-9\],\\W*r\[0-9\],\\W*asr\\W*#7$} | count 1
-; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep {cmn\\.w\\W*r\[0-9\],\\W*r\[0-9\],\\W*ror\\W*#8$} | count 1
+; RUN: llc < %s -march=thumb -mattr=+thumb2 | FileCheck %s
+
+; These tests could be improved by 'movs r0, #0' being rematerialized below the
+; test as 'mov.w r0, #0'.
define i1 @f1(i32 %a, i32 %b) {
%nb = sub i32 0, %b
%tmp = icmp ne i32 %a, %nb
ret i1 %tmp
}
+; CHECK: f1:
+; CHECK: cmn {{.*}}, r1
define i1 @f2(i32 %a, i32 %b) {
%nb = sub i32 0, %b
%tmp = icmp ne i32 %nb, %a
ret i1 %tmp
}
+; CHECK: f2:
+; CHECK: cmn {{.*}}, r1
define i1 @f3(i32 %a, i32 %b) {
%nb = sub i32 0, %b
%tmp = icmp eq i32 %a, %nb
ret i1 %tmp
}
+; CHECK: f3:
+; CHECK: cmn {{.*}}, r1
define i1 @f4(i32 %a, i32 %b) {
%nb = sub i32 0, %b
%tmp = icmp eq i32 %nb, %a
ret i1 %tmp
}
+; CHECK: f4:
+; CHECK: cmn {{.*}}, r1
define i1 @f5(i32 %a, i32 %b) {
%tmp = shl i32 %b, 5
%tmp1 = icmp eq i32 %nb, %a
ret i1 %tmp1
}
+; CHECK: f5:
+; CHECK: cmn.w {{.*}}, r1, lsl #5
define i1 @f6(i32 %a, i32 %b) {
%tmp = lshr i32 %b, 6
%tmp1 = icmp ne i32 %nb, %a
ret i1 %tmp1
}
+; CHECK: f6:
+; CHECK: cmn.w {{.*}}, r1, lsr #6
define i1 @f7(i32 %a, i32 %b) {
%tmp = ashr i32 %b, 7
%tmp1 = icmp eq i32 %a, %nb
ret i1 %tmp1
}
+; CHECK: f7:
+; CHECK: cmn.w {{.*}}, r1, asr #7
define i1 @f8(i32 %a, i32 %b) {
%l8 = shl i32 %a, 24
%tmp1 = icmp ne i32 %a, %nb
ret i1 %tmp1
}
+; CHECK: f8:
+; CHECK: cmn.w {{.*}}, {{.*}}, ror #8
+
+
+define void @f9(i32 %a, i32 %b) nounwind optsize {
+ tail call void asm sideeffect "cmn.w r0, r1", ""() nounwind, !srcloc !0
+ ret void
+}
+
+!0 = metadata !{i32 81}
+
+; CHECK: f9:
+; CHECK: cmn.w r0, r1