-; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep "subs r" | count 2
-; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep "adc r"
-; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep "sbc r" | count 2
+; RUN: llc < %s -march=thumb -mattr=+thumb2 | FileCheck %s
define i64 @f1(i64 %a, i64 %b) {
entry:
+; CHECK-LABEL: f1:
+; CHECK: subs r0, r0, r2
+; CHECK: sbcs r1, r3
%tmp = sub i64 %a, %b
ret i64 %tmp
}
define i64 @f2(i64 %a, i64 %b) {
entry:
+; CHECK-LABEL: f2:
+; CHECK: adds r0, r0, r0
+; CHECK: adcs r1, r1
+; CHECK: subs r0, r0, r2
+; CHECK: sbcs r1, r3
%tmp1 = shl i64 %a, 1
%tmp2 = sub i64 %tmp1, %b
ret i64 %tmp2
}
+
+; rdar://12559385
+define i64 @f3(i32 %vi) {
+entry:
+; CHECK-LABEL: f3:
+; CHECK: movw [[REG:r[0-9]+]], #36102
+; CHECK: sbcs r{{[0-9]+}}, [[REG]]
+ %v0 = zext i32 %vi to i64
+ %v1 = xor i64 %v0, -155057456198619
+ %v4 = add i64 %v1, 155057456198619
+ %v5 = add i64 %v4, %v1
+ ret i64 %v5
+}