-; RUN: llc < %s -march=thumb -mattr=+thumb2 -join-physregs | FileCheck %s
+; RUN: llc -mtriple=thumb-eabi -mcpu=arm1156t2-s -mattr=+thumb2 %s -o - | 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.
+; 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.w r0, r1
+; CHECK-LABEL: 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.w r0, r1
+; CHECK-LABEL: 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.w r0, r1
+; CHECK-LABEL: 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.w r0, r1
+; CHECK-LABEL: 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 r0, r1, lsl #5
+; CHECK-LABEL: 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 r0, r1, lsr #6
+; CHECK-LABEL: 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 r0, r1, asr #7
+; CHECK-LABEL: 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 r0, r0, ror #8
+; CHECK-LABEL: 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-LABEL: f9:
+; CHECK: cmn.w r0, r1